Index: libunwind/Makefile.am =================================================================== --- libunwind/Makefile.am.orig +++ libunwind/Makefile.am @@ -9,6 +9,10 @@ include_HEADERS_tdep = include/libunwind else if ARCH_X86_64 include_HEADERS_tdep = include/libunwind-x86_64.h +else +if ARCH_PPC64 +include_HEADERS_tdep = include/libunwind-ppc64.h +endif # ARCH_PPC64 endif # ARCH_X86_64 endif # ARCH_X86 endif # ARCH_HPPA @@ -40,6 +44,8 @@ EXTRA_DIST = include/dwarf.h include/dwa include/libunwind-x86.h include/tdep-x86/libunwind_i.h \ include/tdep-x86/jmpbuf.h include/tdep-x86/dwarf-config.h \ include/libunwind-x86_64.h include/tdep-x86_64/libunwind_i.h \ - include/tdep-x86_64/jmpbuf.h include/tdep-x86_64/dwarf-config.h + include/tdep-x86_64/jmpbuf.h include/tdep-x86_64/dwarf-config.h \ + include/libunwind-ppc64.h include/tdep-ppc64/dwarf-config.h \ + include/tdep-ppc64/jmpbuf.h include/tdep-ppc64/libunwind_i.h DISTCLEANFILES = include/libunwind.h include/tdep Index: libunwind/configure.in =================================================================== --- libunwind/configure.in.orig +++ libunwind/configure.in @@ -56,11 +56,20 @@ AC_FUNC_MEMCMP AC_TYPE_SIGNAL AC_CHECK_FUNCS(dl_iterate_phdr dl_phdr_removals_counter dlmodinfo getunwind \ ttrace) +is_gcc_m64() { + + if test `echo $CFLAGS | grep "\-m64" -c` -eq 1 ; then echo ppc64; + else + if test `echo $CC | grep "\-m64" -c` -eq 1 ; then echo ppc64; else echo ppc32; fi; + fi; + +} get_arch() { case "$1" in i?86) echo x86;; hppa*) echo hppa;; + powerpc64) is_gcc_m64;; *) echo $1;; esac } @@ -73,6 +82,8 @@ AM_CONDITIONAL(ARCH_IA64, test x$target_ AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa) AM_CONDITIONAL(ARCH_X86, test x$target_arch = xx86) AM_CONDITIONAL(ARCH_X86_64, test x$target_arch = xx86_64) +AM_CONDITIONAL(ARCH_PPC32, test x$target_arch = xppc32) +AM_CONDITIONAL(ARCH_PPC64, test x$target_arch = xppc64) AM_CONDITIONAL(OS_LINUX, expr x$target_os : xlinux >/dev/null) AM_CONDITIONAL(OS_HPUX, expr x$target_os : xhpux >/dev/null) Index: libunwind/include/libunwind-ppc64.h =================================================================== --- /dev/null +++ libunwind/include/libunwind-ppc64.h @@ -0,0 +1,264 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + + Copied from libunwind-x86_64.h, modified slightly for building + frysk successfully on ppc64, by Wu Zhou + Will be replaced when libunwind is ready on ppc64 platform. + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef LIBUNWIND_H +#define LIBUNWIND_H + +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +#include +#include + +#define UNW_TARGET ppc64 +#define UNW_TARGET_PPC64 1 + +#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ + +/* + * This needs to be big enough to accommodate "struct cursor", while + * leaving some slack for future expansion. Changing this value will + * require recompiling all users of this library. Stack allocation is + * relatively cheap and unwind-state copying is relatively rare, so we want + * to err on making it rather too big than too small. + * + * To simplify this whole process, we are at least initially taking the + * tack that UNW_PPC64_* map straight across to the .eh_frame column register + * numbers. These register numbers come from gcc's source in + * gcc/config/rs6000/rs6000.h + * + * UNW_TDEP_CURSOR_LEN is in terms of unw_word_t size. Since we have 115 + * elements in the loc array, each sized 2 * unw_word_t, plus the rest of + * the cursor struct, this puts us at about 2 * 115 + 40 = 270. Let's + * round that up to 280. + */ + +#define UNW_TDEP_CURSOR_LEN 280 + +#if __WORDSIZE==32 +typedef uint32_t unw_word_t; +typedef int32_t unw_sword_t; +#else +typedef uint64_t unw_word_t; +typedef int64_t unw_sword_t; +#endif + +typedef long double unw_tdep_fpreg_t; + +/* + * Vector register (in PowerPC64 used for AltiVec registers) + */ +typedef struct { + uint64_t halves[2]; +} unw_tdep_vreg_t; + +typedef enum + { + UNW_PPC64_R0, + UNW_PPC64_R1, /* called STACK_POINTER in gcc */ + UNW_PPC64_R2, + UNW_PPC64_R3, + UNW_PPC64_R4, + UNW_PPC64_R5, + UNW_PPC64_R6, + UNW_PPC64_R7, + UNW_PPC64_R8, + UNW_PPC64_R9, + UNW_PPC64_R10, + UNW_PPC64_R11, /* called STATIC_CHAIN in gcc */ + UNW_PPC64_R12, + UNW_PPC64_R13, + UNW_PPC64_R14, + UNW_PPC64_R15, + UNW_PPC64_R16, + UNW_PPC64_R17, + UNW_PPC64_R18, + UNW_PPC64_R19, + UNW_PPC64_R20, + UNW_PPC64_R21, + UNW_PPC64_R22, + UNW_PPC64_R23, + UNW_PPC64_R24, + UNW_PPC64_R25, + UNW_PPC64_R26, + UNW_PPC64_R27, + UNW_PPC64_R28, + UNW_PPC64_R29, + UNW_PPC64_R30, + UNW_PPC64_R31, /* called HARD_FRAME_POINTER in gcc */ + + UNW_PPC64_F0 = 32, + UNW_PPC64_F1, + UNW_PPC64_F2, + UNW_PPC64_F3, + UNW_PPC64_F4, + UNW_PPC64_F5, + UNW_PPC64_F6, + UNW_PPC64_F7, + UNW_PPC64_F8, + UNW_PPC64_F9, + UNW_PPC64_F10, + UNW_PPC64_F11, + UNW_PPC64_F12, + UNW_PPC64_F13, + UNW_PPC64_F14, + UNW_PPC64_F15, + UNW_PPC64_F16, + UNW_PPC64_F17, + UNW_PPC64_F18, + UNW_PPC64_F19, + UNW_PPC64_F20, + UNW_PPC64_F21, + UNW_PPC64_F22, + UNW_PPC64_F23, + UNW_PPC64_F24, + UNW_PPC64_F25, + UNW_PPC64_F26, + UNW_PPC64_F27, + UNW_PPC64_F28, + UNW_PPC64_F29, + UNW_PPC64_F30, + UNW_PPC64_F31, + /* Note that there doesn't appear to be an .eh_frame register column + for the FPSCR register. I don't know why this is. Since .eh_frame + info is what this implementation uses for unwinding, we have no way + to unwind this register, and so we will not expose an FPSCR register + number in the libunwind API. + */ + + UNW_PPC64_LR = 65, + UNW_PPC64_CTR = 66, + UNW_PPC64_ARG_POINTER = 67, + + UNW_PPC64_CR0 = 68, + UNW_PPC64_CR1, + UNW_PPC64_CR2, + UNW_PPC64_CR3, + UNW_PPC64_CR4, + /* CR5 .. CR7 are currently unused */ + UNW_PPC64_CR5, + UNW_PPC64_CR6, + UNW_PPC64_CR7, + + UNW_PPC64_XER = 76, + + UNW_PPC64_V0 = 77, + UNW_PPC64_V1, + UNW_PPC64_V2, + UNW_PPC64_V3, + UNW_PPC64_V4, + UNW_PPC64_V5, + UNW_PPC64_V6, + UNW_PPC64_V7, + UNW_PPC64_V8, + UNW_PPC64_V9, + UNW_PPC64_V10, + UNW_PPC64_V11, + UNW_PPC64_V12, + UNW_PPC64_V13, + UNW_PPC64_V14, + UNW_PPC64_V15, + UNW_PPC64_V16, + UNW_PPC64_V17, + UNW_PPC64_V18, + UNW_PPC64_V19, + UNW_PPC64_V20, + UNW_PPC64_V21, + UNW_PPC64_V22, + UNW_PPC64_V23, + UNW_PPC64_V24, + UNW_PPC64_V25, + UNW_PPC64_V26, + UNW_PPC64_V27, + UNW_PPC64_V28, + UNW_PPC64_V29, + UNW_PPC64_V30, + UNW_PPC64_V31, + + UNW_PPC64_VRSAVE = 109, + UNW_PPC64_VSCR = 110, + UNW_PPC64_SPE_ACC = 111, + UNW_PPC64_SPEFSCR = 112, + + /* frame info (read-only) */ + UNW_PPC64_FRAME_POINTER, + UNW_PPC64_NIP, + + + UNW_TDEP_LAST_REG = UNW_PPC64_NIP, + + UNW_TDEP_IP = UNW_PPC64_NIP, + UNW_TDEP_SP = UNW_PPC64_R1, + UNW_TDEP_EH = UNW_PPC64_R12 + } +ppc64_regnum_t; + +/* + * According to David Edelsohn, GNU gcc uses R3, R4, R5, and maybe R6 for + * passing parameters to exception handlers. + */ + +#define UNW_TDEP_NUM_EH_REGS 4 + +typedef struct unw_tdep_save_loc + { + /* Additional target-dependent info on a save location. */ + } +unw_tdep_save_loc_t; + +/* On ppc64, we can directly use ucontext_t as the unwind context. */ +typedef ucontext_t unw_tdep_context_t; + +/* XXX this is not ideal: an application should not be prevented from + using the "getcontext" name just because it's using libunwind. We + can't just use __getcontext() either, because that isn't exported + by glibc... */ +#define unw_tdep_getcontext(uc) (getcontext (uc), 0) + +#include "libunwind-dynamic.h" + +typedef struct + { + /* no ppc64-specific auxiliary proc-info */ + } +unw_tdep_proc_info_t; + +#include "libunwind-common.h" + +#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) +extern int unw_tdep_is_fpreg (int); + +#if defined(__cplusplus) || defined(c_plusplus) +} +#endif + +#endif /* LIBUNWIND_H */ Index: libunwind/include/tdep-ppc64/dwarf-config.h =================================================================== --- /dev/null +++ libunwind/include/tdep-ppc64/dwarf-config.h @@ -0,0 +1,56 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + + Copied from libunwind-x86_64.h, modified slightly for building + frysk successfully on ppc64, by Wu Zhou + Will be replaced when libunwind is ready on ppc64 platform. + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef dwarf_config_h +#define dwarf_config_h + +/* For PPC64, 48 GPRs + 33 FPRs + 33 AltiVec + 1 SPE */ +#define DWARF_NUM_PRESERVED_REGS 115 + +#define DWARF_REGNUM_MAP_LENGTH 115 + +/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */ +#define dwarf_is_big_endian(addr_space) 1 + +/* Convert a pointer to a dwarf_cursor structure to a pointer to + unw_cursor_t. */ +#define dwarf_to_cursor(c) ((unw_cursor_t *) (c)) + +typedef struct dwarf_loc + { + unw_word_t val; +#ifndef UNW_LOCAL_ONLY + unw_word_t type; /* see X86_LOC_TYPE_* macros. */ +#endif + } +dwarf_loc_t; + +#endif /* dwarf_config_h */ Index: libunwind/include/tdep-ppc64/jmpbuf.h =================================================================== --- /dev/null +++ libunwind/include/tdep-ppc64/jmpbuf.h @@ -0,0 +1,37 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + + Copied from libunwind-x86_64.h, modified slightly for building + frysk successfully on ppc64, by Wu Zhou + Will be replaced when libunwind is ready on ppc64 platform. + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +/* Use glibc's jump-buffer indices; NPTL peeks at SP: */ + +#define JB_SP 6 +#define JB_RP 7 +#define JB_MASK_SAVED 8 +#define JB_MASK 9 Index: libunwind/include/tdep-ppc64/libunwind_i.h =================================================================== --- /dev/null +++ libunwind/include/tdep-ppc64/libunwind_i.h @@ -0,0 +1,297 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + + Copied from libunwind-x86_64.h, modified slightly for building + frysk successfully on ppc64, by Wu Zhou + Will be replaced when libunwind is ready on ppc64 platform. + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef PPC64_LIBUNWIND_I_H +#define PPC64_LIBUNWIND_I_H + +/* Target-dependent definitions that are internal to libunwind but need + to be shared with target-independent code. */ + +#include +#include + +#include "elf64.h" +#include "mempool.h" +#include "dwarf.h" + +struct unw_addr_space +{ + struct unw_accessors acc; + unw_caching_policy_t caching_policy; +#ifdef HAVE_ATOMIC_OPS_H + AO_t cache_generation; +#else + uint32_t cache_generation; +#endif + unw_word_t dyn_generation; /* see dyn-common.h */ + unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */ + struct dwarf_rs_cache global_cache; + int validate; +}; + +struct cursor +{ + struct dwarf_cursor dwarf; /* must be first */ + + /* Format of sigcontext structure and address at which it is + stored: */ + enum + { + PPC64_SCF_NONE, /* no signal frame encountered */ + PPC64_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */ + } + sigcontext_format; + unw_word_t sigcontext_addr; +}; + +#define DWARF_GET_LOC(l) ((l).val) + +#ifdef UNW_LOCAL_ONLY +# define DWARF_NULL_LOC DWARF_LOC (0, 0) +# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0) +# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) }) +# define DWARF_IS_REG_LOC(l) 0 +# define DWARF_IS_FP_LOC(l) 0 +# define DWARF_IS_V_LOC(l) 0 +# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) +# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \ + tdep_uc_addr((c)->as_arg, (r)), 0)) +# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ + tdep_uc_addr((c)->as_arg, (r)), 0)) +# define DWARF_VREG_LOC(c,r) (DWARF_LOC((unw_word_t) \ + tdep_uc_addr((c)->as_arg, (r)), 0)) +#else /* !UNW_LOCAL_ONLY */ + +# define DWARF_LOC_TYPE_FP (1 << 0) +# define DWARF_LOC_TYPE_REG (1 << 1) +# define DWARF_LOC_TYPE_V (1 << 2) +# define DWARF_NULL_LOC DWARF_LOC (0, 0) +# define DWARF_IS_NULL_LOC(l) \ + ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; }) +# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) }) +# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0) +# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0) +# define DWARF_IS_V_LOC(l) (((l).type & DWARF_LOC_TYPE_V) != 0) +# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0) +# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG) +# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ + | DWARF_LOC_TYPE_FP)) +# define DWARF_VREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \ + | DWARF_LOC_TYPE_V)) + +#endif /* !UNW_LOCAL_ONLY */ + +static inline int +dwarf_getvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) +{ + unw_word_t *valp = (unw_word_t *) val; + unw_word_t addr; + int ret; + + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + assert (DWARF_IS_V_LOC (loc)); + assert (!DWARF_IS_FP_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), + val, 0, c->as_arg); + + addr = DWARF_GET_LOC (loc); + + if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, + 0, c->as_arg)) < 0) + return ret; + + return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 0, c->as_arg); +} + +static inline int +dwarf_putvr (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) +{ + unw_word_t *valp = (unw_word_t *) & val; + unw_word_t addr; + int ret; + + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + assert (DWARF_IS_V_LOC (loc)); + assert (!DWARF_IS_FP_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), + &val, 1, c->as_arg); + + addr = DWARF_GET_LOC (loc); + if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, valp, + 1, c->as_arg)) < 0) + return ret; + + return (*c->as->acc.access_mem) (c->as, addr + 8, valp + 1, 1, c->as_arg); +} + +static inline int +dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t * val) +{ + unw_word_t *valp = (unw_word_t *) val; + unw_word_t addr; + + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + assert (DWARF_IS_FP_LOC (loc)); + assert (!DWARF_IS_V_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), + val, 0, c->as_arg); + + addr = DWARF_GET_LOC (loc); + return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 0, c->as_arg); + +} + +static inline int +dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val) +{ + unw_word_t *valp = (unw_word_t *) & val; + unw_word_t addr; + + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + assert (DWARF_IS_FP_LOC (loc)); + assert (!DWARF_IS_V_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc), + &val, 1, c->as_arg); + + addr = DWARF_GET_LOC (loc); + + return (*c->as->acc.access_mem) (c->as, addr + 0, valp, 1, c->as_arg); +} + +static inline int +dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t * val) +{ + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + /* If a code-generator were to save a value of type unw_word_t in a + floating-point register, we would have to support this case. I + suppose it could happen with MMX registers, but does it really + happen? */ + assert (!DWARF_IS_FP_LOC (loc)); + assert (!DWARF_IS_V_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val, + 0, c->as_arg); + else + return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val, + 0, c->as_arg); +} + +static inline int +dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val) +{ + if (DWARF_IS_NULL_LOC (loc)) + return -UNW_EBADREG; + + /* If a code-generator were to save a value of type unw_word_t in a + floating-point register, we would have to support this case. I + suppose it could happen with MMX registers, but does it really + happen? */ + assert (!DWARF_IS_FP_LOC (loc)); + assert (!DWARF_IS_V_LOC (loc)); + + if (DWARF_IS_REG_LOC (loc)) + return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val, + 1, c->as_arg); + else + return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val, + 1, c->as_arg); +} + + + +#define tdep_needs_initialization UNW_OBJ(needs_initialization) +#define tdep_init UNW_OBJ(init) +/* Platforms that support UNW_INFO_FORMAT_TABLE need to define + tdep_search_unwind_table. */ +#define tdep_search_unwind_table dwarf_search_unwind_table +#define tdep_uc_addr UNW_ARCH_OBJ(uc_addr) +#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image) +#define tdep_access_reg UNW_OBJ(access_reg) +#define tdep_access_fpreg UNW_OBJ(access_fpreg) +#define tdep_access_vreg UNW_OBJ(access_vreg) + +#ifdef UNW_LOCAL_ONLY +# define tdep_find_proc_info(c,ip,n) \ + dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \ + (c)->as_arg) +# define tdep_put_unwind_info(as,pi,arg) \ + dwarf_put_unwind_info((as), (pi), (arg)) +#else +# define tdep_find_proc_info(c,ip,n) \ + (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \ + (c)->as_arg) +# define tdep_put_unwind_info(as,pi,arg) \ + (*(as)->acc.put_unwind_info)((as), (pi), (arg)) +#endif + +extern int tdep_fetch_proc_info_post (struct dwarf_cursor *c, unw_word_t ip, + int need_unwind_info); + +#define tdep_get_as(c) ((c)->dwarf.as) +#define tdep_get_as_arg(c) ((c)->dwarf.as_arg) +#define tdep_get_ip(c) ((c)->dwarf.ip) +#define tdep_big_endian(as) 1 + +extern int tdep_needs_initialization; + +extern void tdep_init (void); +extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip, + unw_dyn_info_t * di, + unw_proc_info_t * pi, + int need_unwind_info, void *arg); +extern void *tdep_uc_addr (ucontext_t * uc, int reg); +extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip, + unsigned long *segbase, unsigned long *mapoff); +extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg, + unw_word_t * valp, int write); +extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, + unw_fpreg_t * valp, int write); + +#endif /* PPC64_LIBUNWIND_I_H */ Index: libunwind/src/Makefile.am =================================================================== --- libunwind/src/Makefile.am.orig +++ libunwind/src/Makefile.am @@ -38,6 +38,7 @@ libunwind_setjmp_la_SOURCES_ia64 = ia64/ libunwind_setjmp_la_SOURCES_hppa = hppa/siglongjmp.S libunwind_setjmp_la_SOURCES_x86 = x86/longjmp.S x86/siglongjmp.S libunwind_setjmp_la_SOURCES_x86_64 = x86_64/longjmp.S x86_64/siglongjmp.S +libunwind_setjmp_la_SOURCES_ppc64 = ppc64/longjmp.S ppc64/siglongjmp.S ### libunwind: @@ -160,7 +161,8 @@ libunwind_la_SOURCES_x86 = $(libunwind_l $(libunwind_la_SOURCES_local) \ $(dwarf_SOURCES_local) \ dwarf/Lfind_proc_info-lsb.c \ - x86/Lcreate_addr_space.c x86/Lget_save_loc.c x86/Lglobal.c \ + x86/Lcreate_addr_space.c \ + x86/Lget_save_loc.c x86/Lglobal.c \ x86/Linit.c x86/Linit_local.c x86/Linit_remote.c \ x86/Lis_signal_frame.c x86/Lget_proc_info.c x86/Lregs.c \ x86/Lresume.c x86/Lstep.c @@ -170,7 +172,8 @@ libunwind_x86_la_SOURCES_x86 = $(libunwi $(libunwind_la_SOURCES_generic) \ $(dwarf_SOURCES_generic) \ dwarf/Gfind_proc_info-lsb.c \ - x86/Gcreate_addr_space.c x86/Gget_save_loc.c x86/Gglobal.c \ + x86/Gcreate_addr_space.c \ + x86/Gget_save_loc.c x86/Gglobal.c \ x86/Ginit.c x86/Ginit_local.c x86/Ginit_remote.c \ x86/Gis_signal_frame.c x86/Gget_proc_info.c x86/Gregs.c \ x86/Gresume.c x86/Gstep.c @@ -203,6 +206,34 @@ libunwind_x86_64_la_SOURCES_x86_64 = $(l x86_64/Gis_signal_frame.c x86_64/Gget_proc_info.c x86_64/Gregs.c \ x86_64/Gresume.c x86_64/Gstep.c +# The list of files that go both into libunwind and libunwind-ppc64: +libunwind_la_SOURCES_ppc64_common = $(libunwind_la_SOURCES_common) \ + $(dwarf_SOURCES_common) \ + elf64.c elf64.h \ + ppc64/init.h ppc64/unwind_i.h ppc64/ucontext_i.h \ + ppc64/is_fpreg.c ppc64/regname.c + +# The list of files that go into libunwind: +libunwind_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ + $(libunwind_la_SOURCES_local) \ + $(dwarf_SOURCES_local) \ + dwarf/Lfind_proc_info-lsb.c \ + ppc64/Lglobal.c ppc64/Linit.c ppc64/Linit_local.c \ + ppc64/Lis_signal_frame.c ppc64/Lget_proc_info.c ppc64/Lregs.c \ + ppc64/Lresume.c ppc64/Lstep.c + +# The list of files that go into libunwind-ppc64: +libunwind_ppc64_la_SOURCES_ppc64 = $(libunwind_la_SOURCES_ppc64_common) \ + $(libunwind_la_SOURCES_generic) \ + $(dwarf_SOURCES_generic) \ + dwarf/Gfind_proc_info-lsb.c \ + ppc64/Gcreate_addr_space.c \ + ppc64/Gget_proc_info.c \ + ppc64/Gget_save_loc.c ppc64/Gglobal.c \ + ppc64/Ginit.c ppc64/Ginit_local.c ppc64/Ginit_remote.c \ + ppc64/Gis_signal_frame.c ppc64/Gregs.c ppc64/Gresume.c \ + ppc64/Gstep.c + if REMOTE_ONLY install-exec-hook: # Nothing to do here.... @@ -283,6 +314,20 @@ if !REMOTE_ONLY endif libunwind_setjmp_la_SOURCES = $(libunwind_setjmp_la_SOURCES_common) \ $(libunwind_setjmp_la_SOURCES_x86_64) + +else +if ARCH_PPC64 + lib_LTLIBRARIES_arch = libunwind-ppc64.la + libunwind_la_SOURCES = $(libunwind_la_SOURCES_ppc64) + libunwind_ppc64_la_SOURCES = $(libunwind_ppc64_la_SOURCES_ppc64) + libunwind_ppc64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION) +if !REMOTE_ONLY + libunwind_ppc64_la_LIBADD = libunwind.la -lc +endif + libunwind_setjmp_la_SOURCES = $(libunwind_setjmp_la_SOURCES_common) \ + $(libunwind_setjmp_la_SOURCES_ppc64) + +endif # ARCH_PPC64 endif # ARCH_X86_64 endif # ARCH_X86 endif # ARCH_HPPA @@ -321,7 +366,9 @@ EXTRA_DIST = elfxx.h elfxx.c unwind/unwi $(libunwind_setjmp_la_SOURCES_hppa) \ $(libunwind_setjmp_la_SOURCES_ia64) \ $(libunwind_setjmp_la_SOURCES_x86) \ - $(libunwind_setjmp_la_SOURCES_x86_64) + $(libunwind_setjmp_la_SOURCES_x86_64) \ + $(libunwind_setjmp_la_SOURCES_ppc64) + # The -version-info flag accepts an argument of the form # `current[:revision[:age]]'. So, passing `-version-info 3:12:1' sets Index: libunwind/src/ppc64/Gcreate_addr_space.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gcreate_addr_space.c @@ -0,0 +1,54 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include + +#include "unwind_i.h" + +PROTECTED unw_addr_space_t +unw_create_addr_space (unw_accessors_t *a, int byte_order) +{ +#ifdef UNW_LOCAL_ONLY + return NULL; +#else + unw_addr_space_t as = malloc (sizeof (*as)); + + if (!as) + return NULL; + + memset (as, 0, sizeof (*as)); + + as->acc = *a; + + /* + * Linux ppc64 supports only big-endian. + */ + if (byte_order != 0 && byte_order != __BIG_ENDIAN) + return NULL; + return as; +#endif +} Index: libunwind/src/ppc64/Gget_proc_info.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gget_proc_info.c @@ -0,0 +1,34 @@ +/* libunwind - a platform-independent unwind library + + Copied from src/x86_64/, modified slightly (or made empty stubs) for + building frysk successfully on ppc64, by Wu Zhou + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +PROTECTED int +unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi) +{ + /* XXX: empty stub. */ + return 0; +} Index: libunwind/src/ppc64/Gget_save_loc.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gget_save_loc.c @@ -0,0 +1,34 @@ +/* libunwind - a platform-independent unwind library + + Copied from src/x86_64/, modified slightly (or made empty stubs) for + building frysk successfully on ppc64, by Wu Zhou + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +PROTECTED int +unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc) +{ + /* XXX: empty stub. */ + return 0; +} Index: libunwind/src/ppc64/Gglobal.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gglobal.c @@ -0,0 +1,184 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" +#include "dwarf_i.h" + +HIDDEN pthread_mutex_t ppc64_lock = PTHREAD_MUTEX_INITIALIZER; +HIDDEN int tdep_needs_initialization = 1; + +/* The API register numbers are exactly the same as the .eh_frame + registers, for now at least. */ +uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH] = + { + [UNW_PPC64_R0]=UNW_PPC64_R0, + [UNW_PPC64_R1]=UNW_PPC64_R1, + [UNW_PPC64_R2]=UNW_PPC64_R2, + [UNW_PPC64_R3]=UNW_PPC64_R3, + [UNW_PPC64_R4]=UNW_PPC64_R4, + [UNW_PPC64_R5]=UNW_PPC64_R5, + [UNW_PPC64_R6]=UNW_PPC64_R6, + [UNW_PPC64_R7]=UNW_PPC64_R7, + [UNW_PPC64_R8]=UNW_PPC64_R8, + [UNW_PPC64_R9]=UNW_PPC64_R9, + [UNW_PPC64_R10]=UNW_PPC64_R10, + [UNW_PPC64_R11]=UNW_PPC64_R11, + [UNW_PPC64_R12]=UNW_PPC64_R12, + [UNW_PPC64_R13]=UNW_PPC64_R13, + [UNW_PPC64_R14]=UNW_PPC64_R14, + [UNW_PPC64_R15]=UNW_PPC64_R15, + [UNW_PPC64_R16]=UNW_PPC64_R16, + [UNW_PPC64_R17]=UNW_PPC64_R17, + [UNW_PPC64_R18]=UNW_PPC64_R18, + [UNW_PPC64_R19]=UNW_PPC64_R19, + [UNW_PPC64_R20]=UNW_PPC64_R20, + [UNW_PPC64_R21]=UNW_PPC64_R21, + [UNW_PPC64_R22]=UNW_PPC64_R22, + [UNW_PPC64_R23]=UNW_PPC64_R23, + [UNW_PPC64_R24]=UNW_PPC64_R24, + [UNW_PPC64_R25]=UNW_PPC64_R25, + [UNW_PPC64_R26]=UNW_PPC64_R26, + [UNW_PPC64_R27]=UNW_PPC64_R27, + [UNW_PPC64_R28]=UNW_PPC64_R28, + [UNW_PPC64_R29]=UNW_PPC64_R29, + [UNW_PPC64_R30]=UNW_PPC64_R30, + [UNW_PPC64_R31]=UNW_PPC64_R31, + + [UNW_PPC64_F0]=UNW_PPC64_F0, + [UNW_PPC64_F1]=UNW_PPC64_F1, + [UNW_PPC64_F2]=UNW_PPC64_F2, + [UNW_PPC64_F3]=UNW_PPC64_F3, + [UNW_PPC64_F4]=UNW_PPC64_F4, + [UNW_PPC64_F5]=UNW_PPC64_F5, + [UNW_PPC64_F6]=UNW_PPC64_F6, + [UNW_PPC64_F7]=UNW_PPC64_F7, + [UNW_PPC64_F8]=UNW_PPC64_F8, + [UNW_PPC64_F9]=UNW_PPC64_F9, + [UNW_PPC64_F10]=UNW_PPC64_F10, + [UNW_PPC64_F11]=UNW_PPC64_F11, + [UNW_PPC64_F12]=UNW_PPC64_F12, + [UNW_PPC64_F13]=UNW_PPC64_F13, + [UNW_PPC64_F14]=UNW_PPC64_F14, + [UNW_PPC64_F15]=UNW_PPC64_F15, + [UNW_PPC64_F16]=UNW_PPC64_F16, + [UNW_PPC64_F17]=UNW_PPC64_F17, + [UNW_PPC64_F18]=UNW_PPC64_F18, + [UNW_PPC64_F19]=UNW_PPC64_F19, + [UNW_PPC64_F20]=UNW_PPC64_F20, + [UNW_PPC64_F21]=UNW_PPC64_F21, + [UNW_PPC64_F22]=UNW_PPC64_F22, + [UNW_PPC64_F23]=UNW_PPC64_F23, + [UNW_PPC64_F24]=UNW_PPC64_F24, + [UNW_PPC64_F25]=UNW_PPC64_F25, + [UNW_PPC64_F26]=UNW_PPC64_F26, + [UNW_PPC64_F27]=UNW_PPC64_F27, + [UNW_PPC64_F28]=UNW_PPC64_F28, + [UNW_PPC64_F29]=UNW_PPC64_F29, + [UNW_PPC64_F30]=UNW_PPC64_F30, + [UNW_PPC64_F31]=UNW_PPC64_F31, + + [UNW_PPC64_LR]=UNW_PPC64_LR, + [UNW_PPC64_CTR]=UNW_PPC64_CTR, + [UNW_PPC64_ARG_POINTER]=UNW_PPC64_ARG_POINTER, + + [UNW_PPC64_CR0]=UNW_PPC64_CR0, + [UNW_PPC64_CR1]=UNW_PPC64_CR1, + [UNW_PPC64_CR2]=UNW_PPC64_CR2, + [UNW_PPC64_CR3]=UNW_PPC64_CR3, + [UNW_PPC64_CR4]=UNW_PPC64_CR4, + [UNW_PPC64_CR5]=UNW_PPC64_CR5, + [UNW_PPC64_CR6]=UNW_PPC64_CR6, + [UNW_PPC64_CR7]=UNW_PPC64_CR7, + + [UNW_PPC64_XER]=UNW_PPC64_XER, + + [UNW_PPC64_V0]=UNW_PPC64_V0, + [UNW_PPC64_V1]=UNW_PPC64_V1, + [UNW_PPC64_V2]=UNW_PPC64_V2, + [UNW_PPC64_V3]=UNW_PPC64_V3, + [UNW_PPC64_V4]=UNW_PPC64_V4, + [UNW_PPC64_V5]=UNW_PPC64_V5, + [UNW_PPC64_V6]=UNW_PPC64_V6, + [UNW_PPC64_V7]=UNW_PPC64_V7, + [UNW_PPC64_V8]=UNW_PPC64_V8, + [UNW_PPC64_V9]=UNW_PPC64_V9, + [UNW_PPC64_V10]=UNW_PPC64_V10, + [UNW_PPC64_V11]=UNW_PPC64_V11, + [UNW_PPC64_V12]=UNW_PPC64_V12, + [UNW_PPC64_V13]=UNW_PPC64_V13, + [UNW_PPC64_V14]=UNW_PPC64_V14, + [UNW_PPC64_V15]=UNW_PPC64_V15, + [UNW_PPC64_V16]=UNW_PPC64_V16, + [UNW_PPC64_V17]=UNW_PPC64_V17, + [UNW_PPC64_V18]=UNW_PPC64_V18, + [UNW_PPC64_V19]=UNW_PPC64_V19, + [UNW_PPC64_V20]=UNW_PPC64_V20, + [UNW_PPC64_V21]=UNW_PPC64_V21, + [UNW_PPC64_V22]=UNW_PPC64_V22, + [UNW_PPC64_V23]=UNW_PPC64_V23, + [UNW_PPC64_V24]=UNW_PPC64_V24, + [UNW_PPC64_V25]=UNW_PPC64_V25, + [UNW_PPC64_V26]=UNW_PPC64_V26, + [UNW_PPC64_V27]=UNW_PPC64_V27, + [UNW_PPC64_V28]=UNW_PPC64_V28, + [UNW_PPC64_V29]=UNW_PPC64_V29, + [UNW_PPC64_V30]=UNW_PPC64_V30, + [UNW_PPC64_V31]=UNW_PPC64_V31, + + [UNW_PPC64_VRSAVE]=UNW_PPC64_VRSAVE, + [UNW_PPC64_VSCR]=UNW_PPC64_VSCR, + [UNW_PPC64_SPE_ACC]=UNW_PPC64_SPE_ACC, + [UNW_PPC64_SPEFSCR]=UNW_PPC64_SPEFSCR, + }; + +HIDDEN void +tdep_init (void) +{ + intrmask_t saved_mask; + + sigfillset (&unwi_full_mask); + + sigprocmask (SIG_SETMASK, &unwi_full_mask, &saved_mask); + mutex_lock (&ppc64_lock); + { + if (!tdep_needs_initialization) + /* another thread else beat us to it... */ + goto out; + + mi_init (); + + dwarf_init (); + +#ifndef UNW_REMOTE_ONLY + ppc64_local_addr_space_init (); +#endif + tdep_needs_initialization = 0; /* signal that we're initialized... */ + } + out: + mutex_unlock (&ppc64_lock); + sigprocmask (SIG_SETMASK, &saved_mask, NULL); +} Index: libunwind/src/ppc64/Ginit.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Ginit.c @@ -0,0 +1,230 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include +#include + +#include "ucontext_i.h" +#include "unwind_i.h" + +#ifdef UNW_REMOTE_ONLY + +/* unw_local_addr_space is a NULL pointer in this case. */ +PROTECTED unw_addr_space_t unw_local_addr_space; + +#else /* !UNW_REMOTE_ONLY */ + +static struct unw_addr_space local_addr_space; + +PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space; + + +#define PAGE_SIZE 4096 +#define PAGE_START(a) ((a) & ~(PAGE_SIZE-1)) + + +static void * +uc_addr (ucontext_t *uc, int reg) +{ + void *addr; + + if ((unsigned) (reg - UNW_PPC64_R0) < 32) + addr = &uc->uc_mcontext.gp_regs[reg - UNW_PPC64_R0]; + + else if ((unsigned) (reg - UNW_PPC64_F0) < 32) + addr = &uc->uc_mcontext.fp_regs[reg - UNW_PPC64_F0]; + + else if ((unsigned) (reg - UNW_PPC64_V0) < 32) + addr = (uc->uc_mcontext.v_regs == 0) ? NULL : &uc->uc_mcontext.v_regs->vrregs[reg - UNW_PPC64_V0][0]; + + else + { + unsigned gregs_idx; + + switch (reg) + { + case UNW_PPC64_NIP: + gregs_idx = NIP_IDX; + break; + case UNW_PPC64_CTR: + gregs_idx = CTR_IDX; + break; + case UNW_PPC64_LR: + gregs_idx = LINK_IDX; + break; + case UNW_PPC64_XER: + gregs_idx = XER_IDX; + break; + case UNW_PPC64_CR0: + gregs_idx = CCR_IDX; + break; + default: + return NULL; + } + addr = &uc->uc_mcontext.gp_regs[gregs_idx]; + } + return addr; +} + +# ifdef UNW_LOCAL_ONLY + +HIDDEN void * +tdep_uc_addr (ucontext_t *uc, int reg) +{ + return uc_addr (uc, reg); +} + +# endif /* UNW_LOCAL_ONLY */ + +HIDDEN unw_dyn_info_list_t _U_dyn_info_list; + + +static void +put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg) +{ + /* it's a no-op */ +} + +static int +get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr, + void *arg) +{ + *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list; + return 0; +} + +static int +access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write, + void *arg) +{ + if (write) + { + Debug (12, "mem[%lx] <- %lx\n", addr, *val); + *(unw_word_t *) addr = *val; + } + else + { + *val = *(unw_word_t *) addr; + Debug (12, "mem[%lx] -> %lx\n", addr, *val); + } + return 0; +} + +static int +access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, + int write, void *arg) +{ + unw_word_t *addr; + ucontext_t *uc = arg; + + if ((unsigned int) (reg - UNW_PPC64_F0) < 32) + goto badreg; + if ((unsigned int) (reg - UNW_PPC64_V0) < 32) + goto badreg; + + addr = uc_addr (uc, reg); + if (!addr) + goto badreg; + + if (write) + { + *(unw_word_t *) addr = *val; + Debug (12, "%s <- %lx\n", unw_regname (reg), *val); + } + else + { + *val = *(unw_word_t *) addr; + Debug (12, "%s -> %lx\n", unw_regname (reg), *val); + } + return 0; + +badreg: + Debug (1, "bad register number %u\n", reg); + return -UNW_EBADREG; +} + +static int +access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val, + int write, void *arg) +{ + ucontext_t *uc = arg; + unw_fpreg_t *addr; + + if ((unsigned) (reg - UNW_PPC64_F0) < 0) + goto badreg; + + if ((unsigned) (reg - UNW_PPC64_V0) >= 32) + goto badreg; + + + addr = uc_addr (uc, reg); + if (!addr) + goto badreg; + + if (write) + { + Debug (12, "%s <- %016Lf\n", unw_regname (reg), *val); + *(unw_fpreg_t *) addr = *val; + } + else + { + *val = *(unw_fpreg_t *) addr; + Debug (12, "%s -> %016Lf\n", unw_regname (reg), *val); + } + return 0; + +badreg: + Debug (1, "bad register number %u\n", reg); + /* attempt to access a non-preserved register */ + return -UNW_EBADREG; +} + +static int +get_static_proc_name (unw_addr_space_t as, unw_word_t ip, + char *buf, size_t buf_len, unw_word_t *offp, + void *arg) +{ + return _Uelf64_get_proc_name (getpid (), ip, buf, buf_len, offp); +} + +HIDDEN void +ppc64_local_addr_space_init (void) +{ + memset (&local_addr_space, 0, sizeof (local_addr_space)); + local_addr_space.caching_policy = UNW_CACHE_GLOBAL; + local_addr_space.acc.find_proc_info = dwarf_find_proc_info; + local_addr_space.acc.put_unwind_info = put_unwind_info; + local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr; + local_addr_space.acc.access_mem = access_mem; + local_addr_space.acc.access_reg = access_reg; + local_addr_space.acc.access_fpreg = access_fpreg; + local_addr_space.acc.resume = ppc64_local_resume; + local_addr_space.acc.get_proc_name = get_static_proc_name; + unw_flush_cache (&local_addr_space, 0, 0); +} + +#endif /* !UNW_REMOTE_ONLY */ Index: libunwind/src/ppc64/Ginit_local.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Ginit_local.c @@ -0,0 +1,56 @@ +/* libunwind - a platform-independent unwind library + + Copied from src/x86_64/, modified slightly (or made empty stubs) for + building frysk successfully on ppc64, by Wu Zhou + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" +#include "init.h" + +#ifdef UNW_REMOTE_ONLY + +PROTECTED int +unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) +{ + /* XXX: empty stub. */ + return -UNW_EINVAL; +} + +#else /* !UNW_REMOTE_ONLY */ + +PROTECTED int +unw_init_local (unw_cursor_t *cursor, ucontext_t *uc) +{ + struct cursor *c = (struct cursor *) cursor; + + if (tdep_needs_initialization) + tdep_init (); + + Debug (1, "(cursor=%p)\n", c); + + c->dwarf.as = unw_local_addr_space; + c->dwarf.as_arg = uc; + return common_init (c); +} + +#endif /* !UNW_REMOTE_ONLY */ Index: libunwind/src/ppc64/Ginit_remote.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Ginit_remote.c @@ -0,0 +1,48 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "init.h" +#include "unwind_i.h" + +PROTECTED int +unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg) +{ +#ifdef UNW_LOCAL_ONLY + return -UNW_EINVAL; +#else /* !UNW_LOCAL_ONLY */ + struct cursor *c = (struct cursor *) cursor; + + if (tdep_needs_initialization) + tdep_init (); + + Debug (1, "(cursor=%p)\n", c); + + c->dwarf.as = as; + c->dwarf.as_arg = as_arg; + return common_init (c); +#endif /* !UNW_LOCAL_ONLY */ +} Index: libunwind/src/ppc64/Gis_signal_frame.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gis_signal_frame.c @@ -0,0 +1,66 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +PROTECTED int +unw_is_signal_frame (unw_cursor_t * cursor) +{ + struct cursor *c = (struct cursor *) cursor; + unw_word_t w0, w1, ip; + unw_addr_space_t as; + unw_accessors_t *a; + void *arg; + int ret; + + as = c->dwarf.as; + as->validate = 1; /* Don't trust the ip */ + arg = c->dwarf.as_arg; + + /* Check if return address points at sigreturn sequence. + on ppc64 Linux that is (see libc.so): + 0x38210080 addi r1, r1, 128 // pop the stack + 0x380000ac li r0, 172 // invoke system service 172 + 0x44000002 sc + */ + + ip = c->dwarf.ip; + if (ip == 0) + return 0; + + /* Read up two 8-byte words at the IP. We are only looking at 3 + consecutive 32-bit words, so the second 8-byte word needs to be + shifted right by 32 bits (think big-endian) */ + + a = unw_get_accessors (as); + if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0 + || (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0) + return 0; + w1 >>= 32; + return (w0 == 0x38210080380000ac && w1 == 0x44000002); + +} Index: libunwind/src/ppc64/Gregs.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gregs.c @@ -0,0 +1,100 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +HIDDEN int +tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp, + int write) +{ + struct dwarf_loc loc; + + switch (reg) + { + case UNW_TDEP_IP: + if (write) + { + c->dwarf.ip = *valp; /* update the IP cache */ + if (c->dwarf.pi_valid && (*valp < c->dwarf.pi.start_ip + || *valp >= c->dwarf.pi.end_ip)) + c->dwarf.pi_valid = 0; /* new IP outside of current proc */ + } + else + *valp = c->dwarf.ip; + return 0; + + case UNW_TDEP_SP: + if (write) + return -UNW_EREADONLYREG; + *valp = c->dwarf.cfa; + return 0; + + + default: + break; + } + + /* make sure it's not an FP or VR register */ + if ((((unsigned) (reg - UNW_PPC64_F0)) <= 31) || + (((unsigned) (reg - UNW_PPC64_V0)) <= 31)) + return -UNW_EBADREG; + + loc = c->dwarf.loc[reg]; + + if (write) + return dwarf_put (&c->dwarf, loc, *valp); + else + return dwarf_get (&c->dwarf, loc, valp); +} + +HIDDEN int +tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp, + int write) +{ + struct dwarf_loc loc; + + if ((unsigned) (reg - UNW_PPC64_F0) < 32) + { + loc = c->dwarf.loc[reg]; + if (write) + return dwarf_putfp (&c->dwarf, loc, *valp); + else + return dwarf_getfp (&c->dwarf, loc, valp); + } + else + if ((unsigned) (reg - UNW_PPC64_V0) < 32) + { + loc = c->dwarf.loc[reg]; + if (write) + return dwarf_putvr (&c->dwarf, loc, *valp); + else + return dwarf_getvr (&c->dwarf, loc, valp); + } + + return -UNW_EBADREG; +} + Index: libunwind/src/ppc64/Gresume.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gresume.c @@ -0,0 +1,77 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford address@hidden + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include + +#include "unwind_i.h" + +#ifndef UNW_REMOTE_ONLY + +#include + +/* sigreturn() is a no-op on x86_64 glibc. */ + +static NORETURN inline long +my_rt_sigreturn (void *new_sp) +{ + /* XXX: empty stub. */ + abort (); +} + +HIDDEN inline int +ppc64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg) +{ + /* XXX: empty stub. */ + return -UNW_EINVAL; +} + +#endif /* !UNW_REMOTE_ONLY */ + +/* This routine is responsible for copying the register values in + cursor C and establishing them as the current machine state. */ + +static inline int +establish_machine_state (struct cursor *c) +{ + /* XXX: empty stub. */ + return 0; +} + +PROTECTED int +unw_resume (unw_cursor_t *cursor) +{ + struct cursor *c = (struct cursor *) cursor; + int ret; + + Debug (1, "(cursor=%p)\n", c); + + if ((ret = establish_machine_state (c)) < 0) + return ret; + + return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c, + c->dwarf.as_arg); +} Index: libunwind/src/ppc64/Gstep.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Gstep.c @@ -0,0 +1,436 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" +#include "ucontext_i.h" +#include + +/* This definition originates in /usr/include/asm-ppc64/ptrace.h, but is + defined there only when __KERNEL__ is defined. We reproduce it here for + our use at the user level in order to locate the ucontext record, which + appears to be at this offset relative to the stack pointer when in the + context of the signal handler return trampoline code - + __kernel_sigtramp_rt64. */ +#define __SIGNAL_FRAMESIZE 128 + +/* This definition comes from the document "64-bit PowerPC ELF Application + Binary Interface Supplement 1.9", section 3.2.2. + http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#STACK */ + +typedef struct +{ + long unsigned back_chain; + long unsigned cr_save; + long unsigned lr_save; + /* many more fields here, but they are unused by this code */ +} stack_frame_t; + + +PROTECTED int +unw_step (unw_cursor_t * cursor) +{ + struct cursor *c = (struct cursor *) cursor; + stack_frame_t dummy; + unw_word_t back_chain_offset, lr_save_offset, v_regs_ptr; + struct dwarf_loc back_chain_loc, lr_save_loc, sp_loc, ip_loc, v_regs_loc; + int ret; + + Debug (1, "(cursor=%p, ip=0x%016lx)\n", c, (unsigned long) c->dwarf.ip); + + if (c->dwarf.ip == 0) + { + /* Unless the cursor or stack is corrupt or uninitialized, + we've most likely hit the top of the stack */ + return 0; + } + + /* Try DWARF-based unwinding... */ + + ret = dwarf_step (&c->dwarf); + + if (ret < 0 && ret != -UNW_ENOINFO) + { + Debug (2, "returning %d\n", ret); + return ret; + } + + if (unlikely (ret < 0)) + { + if (likely (!unw_is_signal_frame (cursor))) + { + /* DWARF unwinding failed. As of 09/26/2006, gcc in 64-bit mode + produces the mandatory level of traceback record in the code, but + I get the impression that this is transitory, that eventually gcc + will not produce any traceback records at all. So, for now, we + won't bother to try to find and use these records. + + We can, however, attempt to unwind the frame by using the callback + chain. This is very crude, however, and won't be able to unwind + any registers besides the IP, SP, and LR . */ + + back_chain_offset = ((void *) &dummy.back_chain - (void *) &dummy); + lr_save_offset = ((void *) &dummy.lr_save - (void *) &dummy); + + back_chain_loc = DWARF_LOC (c->dwarf.cfa + back_chain_offset, 0); + + if ((ret = + dwarf_get (&c->dwarf, back_chain_loc, &c->dwarf.cfa)) < 0) + { + Debug + ("Unable to retrieve CFA from back chain in stack frame - %d\n", + ret); + return ret; + } + if (c->dwarf.cfa == 0) + /* Unless the cursor or stack is corrupt or uninitialized we've most + likely hit the top of the stack */ + return 0; + + lr_save_loc = DWARF_LOC (c->dwarf.cfa + lr_save_offset, 0); + + if ((ret = dwarf_get (&c->dwarf, lr_save_loc, &c->dwarf.ip)) < 0) + { + Debug + ("Unable to retrieve IP from lr save in stack frame - %d\n", + ret); + return ret; + } + ret = 1; + } + else + { + /* Find the sigcontext record by taking the CFA and adjusting by + the dummy signal frame size. + + Note that there isn't any way to determined if SA_SIGINFO was + set in the sa_flags parameter to sigaction when the signal + handler was established. If it was not set, the ucontext + record is not required to be on the stack, in which case the + following code will likely cause a seg fault or other crash + condition. */ + + unw_word_t ucontext = c->dwarf.cfa + __SIGNAL_FRAMESIZE; + + Debug (1, "signal frame, skip over trampoline\n"); + + c->sigcontext_format = PPC64_SCF_LINUX_RT_SIGFRAME; + c->sigcontext_addr = ucontext; + + sp_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); + ip_loc = DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_NIP, 0); + + ret = dwarf_get (&c->dwarf, sp_loc, &c->dwarf.cfa); + if (ret < 0) + { + Debug (2, "returning %d\n", ret); + return ret; + } + ret = dwarf_get (&c->dwarf, ip_loc, &c->dwarf.ip); + if (ret < 0) + { + Debug (2, "returning %d\n", ret); + return ret; + } + + /* Instead of just restoring the non-volatile registers, do all + of the registers for now. This will incur a performance hit, + but it's rare enough not to cause too much of a problem, and + might be useful in some cases. */ + c->dwarf.loc[UNW_PPC64_R0] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R0, 0); + c->dwarf.loc[UNW_PPC64_R1] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R1, 0); + c->dwarf.loc[UNW_PPC64_R2] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R2, 0); + c->dwarf.loc[UNW_PPC64_R3] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R3, 0); + c->dwarf.loc[UNW_PPC64_R4] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R4, 0); + c->dwarf.loc[UNW_PPC64_R5] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R5, 0); + c->dwarf.loc[UNW_PPC64_R6] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R6, 0); + c->dwarf.loc[UNW_PPC64_R7] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R7, 0); + c->dwarf.loc[UNW_PPC64_R8] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R8, 0); + c->dwarf.loc[UNW_PPC64_R9] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R9, 0); + c->dwarf.loc[UNW_PPC64_R10] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R10, 0); + c->dwarf.loc[UNW_PPC64_R11] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R11, 0); + c->dwarf.loc[UNW_PPC64_R12] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R12, 0); + c->dwarf.loc[UNW_PPC64_R13] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R13, 0); + c->dwarf.loc[UNW_PPC64_R14] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R14, 0); + c->dwarf.loc[UNW_PPC64_R15] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R15, 0); + c->dwarf.loc[UNW_PPC64_R16] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R16, 0); + c->dwarf.loc[UNW_PPC64_R17] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R17, 0); + c->dwarf.loc[UNW_PPC64_R18] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R18, 0); + c->dwarf.loc[UNW_PPC64_R19] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R19, 0); + c->dwarf.loc[UNW_PPC64_R20] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R20, 0); + c->dwarf.loc[UNW_PPC64_R21] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R21, 0); + c->dwarf.loc[UNW_PPC64_R22] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R22, 0); + c->dwarf.loc[UNW_PPC64_R23] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R23, 0); + c->dwarf.loc[UNW_PPC64_R24] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R24, 0); + c->dwarf.loc[UNW_PPC64_R25] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R25, 0); + c->dwarf.loc[UNW_PPC64_R26] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R26, 0); + c->dwarf.loc[UNW_PPC64_R27] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R27, 0); + c->dwarf.loc[UNW_PPC64_R28] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R28, 0); + c->dwarf.loc[UNW_PPC64_R29] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R29, 0); + c->dwarf.loc[UNW_PPC64_R30] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R30, 0); + c->dwarf.loc[UNW_PPC64_R31] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_R31, 0); + + c->dwarf.loc[UNW_PPC64_LR] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_LINK, 0); + c->dwarf.loc[UNW_PPC64_CTR] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CTR, 0); + /* This CR0 assignment is probably wrong. There are 8 dwarf columns + assigned to the CR registers, but only one CR register in the + mcontext structure */ + c->dwarf.loc[UNW_PPC64_CR0] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_CCR, 0); + c->dwarf.loc[UNW_PPC64_XER] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_XER, 0); + c->dwarf.loc[UNW_PPC64_NIP] = + DWARF_LOC (ucontext + UC_MCONTEXT_GREGS_NIP, 0); + + /* TODO: Is there a way of obtaining the value of the + pseudo frame pointer (which is sp + some fixed offset, I + assume), based on the contents of the ucontext record + structure? For now, set this loc to null. */ + c->dwarf.loc[UNW_PPC64_FRAME_POINTER] = DWARF_NULL_LOC; + + c->dwarf.loc[UNW_PPC64_F0] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R0, 0); + c->dwarf.loc[UNW_PPC64_F1] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R1, 0); + c->dwarf.loc[UNW_PPC64_F2] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R2, 0); + c->dwarf.loc[UNW_PPC64_F3] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R3, 0); + c->dwarf.loc[UNW_PPC64_F4] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R4, 0); + c->dwarf.loc[UNW_PPC64_F5] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R5, 0); + c->dwarf.loc[UNW_PPC64_F6] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R6, 0); + c->dwarf.loc[UNW_PPC64_F7] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R7, 0); + c->dwarf.loc[UNW_PPC64_F8] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R8, 0); + c->dwarf.loc[UNW_PPC64_F9] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R9, 0); + c->dwarf.loc[UNW_PPC64_F10] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R10, 0); + c->dwarf.loc[UNW_PPC64_F11] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R11, 0); + c->dwarf.loc[UNW_PPC64_F12] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R12, 0); + c->dwarf.loc[UNW_PPC64_F13] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R13, 0); + c->dwarf.loc[UNW_PPC64_F14] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R14, 0); + c->dwarf.loc[UNW_PPC64_F15] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R15, 0); + c->dwarf.loc[UNW_PPC64_F16] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R16, 0); + c->dwarf.loc[UNW_PPC64_F17] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R17, 0); + c->dwarf.loc[UNW_PPC64_F18] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R18, 0); + c->dwarf.loc[UNW_PPC64_F19] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R19, 0); + c->dwarf.loc[UNW_PPC64_F20] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R20, 0); + c->dwarf.loc[UNW_PPC64_F21] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R21, 0); + c->dwarf.loc[UNW_PPC64_F22] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R22, 0); + c->dwarf.loc[UNW_PPC64_F23] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R23, 0); + c->dwarf.loc[UNW_PPC64_F24] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R24, 0); + c->dwarf.loc[UNW_PPC64_F25] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R25, 0); + c->dwarf.loc[UNW_PPC64_F26] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R26, 0); + c->dwarf.loc[UNW_PPC64_F27] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R27, 0); + c->dwarf.loc[UNW_PPC64_F28] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R28, 0); + c->dwarf.loc[UNW_PPC64_F29] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R29, 0); + c->dwarf.loc[UNW_PPC64_F30] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R30, 0); + c->dwarf.loc[UNW_PPC64_F31] = + DWARF_LOC (ucontext + UC_MCONTEXT_FREGS_R31, 0); + /* Note that there is no .eh_section register column for the + FPSCR register. I don't know why this is. */ + + v_regs_loc = DWARF_LOC (ucontext + UC_MCONTEXT_V_REGS, 0); + ret = dwarf_get (&c->dwarf, v_regs_loc, &v_regs_ptr); + if (ret < 0) + { + Debug (2, "returning %d\n", ret); + return ret; + } + if (v_regs_ptr != 0) + { + /* The v_regs_ptr is not null. Set all of the AltiVec locs */ + + c->dwarf.loc[UNW_PPC64_V0] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R0, 0); + c->dwarf.loc[UNW_PPC64_V1] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R1, 0); + c->dwarf.loc[UNW_PPC64_V2] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R2, 0); + c->dwarf.loc[UNW_PPC64_V3] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R3, 0); + c->dwarf.loc[UNW_PPC64_V4] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R4, 0); + c->dwarf.loc[UNW_PPC64_V5] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R5, 0); + c->dwarf.loc[UNW_PPC64_V6] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R6, 0); + c->dwarf.loc[UNW_PPC64_V7] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R7, 0); + c->dwarf.loc[UNW_PPC64_V8] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R8, 0); + c->dwarf.loc[UNW_PPC64_V9] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R9, 0); + c->dwarf.loc[UNW_PPC64_V10] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R10, 0); + c->dwarf.loc[UNW_PPC64_V11] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R11, 0); + c->dwarf.loc[UNW_PPC64_V12] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R12, 0); + c->dwarf.loc[UNW_PPC64_V13] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R13, 0); + c->dwarf.loc[UNW_PPC64_V14] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R14, 0); + c->dwarf.loc[UNW_PPC64_V15] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R15, 0); + c->dwarf.loc[UNW_PPC64_V16] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R16, 0); + c->dwarf.loc[UNW_PPC64_V17] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R17, 0); + c->dwarf.loc[UNW_PPC64_V18] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R18, 0); + c->dwarf.loc[UNW_PPC64_V19] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R19, 0); + c->dwarf.loc[UNW_PPC64_V20] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R20, 0); + c->dwarf.loc[UNW_PPC64_V21] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R21, 0); + c->dwarf.loc[UNW_PPC64_V22] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R22, 0); + c->dwarf.loc[UNW_PPC64_V23] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R23, 0); + c->dwarf.loc[UNW_PPC64_V24] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R24, 0); + c->dwarf.loc[UNW_PPC64_V25] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R25, 0); + c->dwarf.loc[UNW_PPC64_V26] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R26, 0); + c->dwarf.loc[UNW_PPC64_V27] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R27, 0); + c->dwarf.loc[UNW_PPC64_V28] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R28, 0); + c->dwarf.loc[UNW_PPC64_V29] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R29, 0); + c->dwarf.loc[UNW_PPC64_V30] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R30, 0); + c->dwarf.loc[UNW_PPC64_V31] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_R31, 0); + c->dwarf.loc[UNW_PPC64_VRSAVE] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_VRSAVE, 0); + c->dwarf.loc[UNW_PPC64_VSCR] = + DWARF_LOC (v_regs_ptr + UC_MCONTEXT_VREGS_VSCR, 0); + } + else + { + c->dwarf.loc[UNW_PPC64_V0] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V1] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V2] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V3] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V4] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V5] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V6] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V7] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V8] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V9] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V10] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V11] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V12] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V13] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V14] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V15] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V16] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V17] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V18] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V19] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V20] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V21] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V22] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V23] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V24] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V25] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V26] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V27] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V28] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V29] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V30] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_V31] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_NULL_LOC; + c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_NULL_LOC; + } + ret = 1; + } + } + return ret; +} Index: libunwind/src/ppc64/Lcreate_addr_space.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lcreate_addr_space.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gcreate_addr_space.c" +#endif Index: libunwind/src/ppc64/Lget_proc_info.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lget_proc_info.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gget_proc_info.c" +#endif Index: libunwind/src/ppc64/Lget_save_loc.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lget_save_loc.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gget_save_loc.c" +#endif Index: libunwind/src/ppc64/Lglobal.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lglobal.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gglobal.c" +#endif Index: libunwind/src/ppc64/Linit.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Linit.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Ginit.c" +#endif Index: libunwind/src/ppc64/Linit_local.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Linit_local.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Ginit_local.c" +#endif Index: libunwind/src/ppc64/Linit_remote.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Linit_remote.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Ginit_remote.c" +#endif Index: libunwind/src/ppc64/Lis_signal_frame.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lis_signal_frame.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gis_signal_frame.c" +#endif Index: libunwind/src/ppc64/Lregs.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lregs.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gregs.c" +#endif Index: libunwind/src/ppc64/Lresume.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lresume.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gresume.c" +#endif Index: libunwind/src/ppc64/Lstep.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/Lstep.c @@ -0,0 +1,5 @@ +#define UNW_LOCAL_ONLY +#include +#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY) +#include "Gstep.c" +#endif Index: libunwind/src/ppc64/Make-arch.in =================================================================== --- /dev/null +++ libunwind/src/ppc64/Make-arch.in @@ -0,0 +1,11 @@ +# Word size. +ELFW = 64 +# Does use dwarf2 unwind info. +dwarf_target = true + +libunwind_setjmp_OBJS += \ + $(arch)/longjmp.o \ + $(arch)/siglongjmp.o + +libunwind_OBJS_common += \ + $(arch)/is_fpreg.o Index: libunwind/src/ppc64/init.h =================================================================== --- /dev/null +++ libunwind/src/ppc64/init.h @@ -0,0 +1,81 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +static inline int +common_init (struct cursor *c) +{ + int ret; + int i; + + for (i = UNW_PPC64_R0; i <= UNW_PPC64_R31; i++) { + c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i); + } + for (i = UNW_PPC64_F0; i <= UNW_PPC64_F31; i++) { + c->dwarf.loc[i] = DWARF_FPREG_LOC (&c->dwarf, i); + } + for (i = UNW_PPC64_V0; i <= UNW_PPC64_V31; i++) { + c->dwarf.loc[i] = DWARF_VREG_LOC (&c->dwarf, i); + } + + for (i = UNW_PPC64_CR0; i <= UNW_PPC64_CR7; i++) { + c->dwarf.loc[i] = DWARF_REG_LOC (&c->dwarf, i); + } + c->dwarf.loc[UNW_PPC64_ARG_POINTER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_ARG_POINTER); + c->dwarf.loc[UNW_PPC64_CTR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_CTR); + c->dwarf.loc[UNW_PPC64_VSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VSCR); + + c->dwarf.loc[UNW_PPC64_XER] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_XER); + c->dwarf.loc[UNW_PPC64_LR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_LR); + c->dwarf.loc[UNW_PPC64_VRSAVE] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_VRSAVE); + c->dwarf.loc[UNW_PPC64_SPEFSCR] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPEFSCR); + c->dwarf.loc[UNW_PPC64_SPE_ACC] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_SPE_ACC); + + c->dwarf.loc[UNW_PPC64_NIP] = DWARF_REG_LOC (&c->dwarf, UNW_PPC64_NIP); + + ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_PPC64_NIP], &c->dwarf.ip); + if (ret < 0) + return ret; + + ret = dwarf_get (&c->dwarf, DWARF_REG_LOC (&c->dwarf, UNW_PPC64_R1), + &c->dwarf.cfa); + if (ret < 0) + return ret; + + c->sigcontext_format = PPC64_SCF_NONE; + c->sigcontext_addr = 0; + + c->dwarf.args_size = 0; + c->dwarf.ret_addr_column = 0; + c->dwarf.pi_valid = 0; + c->dwarf.pi_is_dynamic = 0; + c->dwarf.hint = 0; + c->dwarf.prev_rs = 0; + + return 0; +} Index: libunwind/src/ppc64/is_fpreg.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/is_fpreg.c @@ -0,0 +1,34 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "libunwind_i.h" + +PROTECTED int +unw_is_fpreg (int regnum) +{ + return (regnum >= UNW_PPC64_F0 && regnum <= UNW_PPC64_F31); +} Index: libunwind/src/ppc64/longjmp.S =================================================================== --- /dev/null +++ libunwind/src/ppc64/longjmp.S @@ -0,0 +1,31 @@ +/* libunwind - a platform-independent unwind library + + Copied from src/x86_64/, modified slightly (or made empty stubs) for + building frysk successfully on ppc64, by Wu Zhou + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + + .globl _UI_longjmp_cont + + .type _UI_longjmp_cont, @function +_UI_longjmp_cont: + .size _UI_longjmp_cont, .-_UI_longjmp_cont Index: libunwind/src/ppc64/regname.c =================================================================== --- /dev/null +++ libunwind/src/ppc64/regname.c @@ -0,0 +1,161 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#include "unwind_i.h" + +static const char *regname[] = + { + [UNW_PPC64_R0]="GPR0", + [UNW_PPC64_R1]="GPR1", + [UNW_PPC64_R2]="GPR2", + [UNW_PPC64_R3]="GPR3", + [UNW_PPC64_R4]="GPR4", + [UNW_PPC64_R5]="GPR5", + [UNW_PPC64_R6]="GPR6", + [UNW_PPC64_R7]="GPR7", + [UNW_PPC64_R8]="GPR8", + [UNW_PPC64_R9]="GPR9", + [UNW_PPC64_R10]="GPR10", + [UNW_PPC64_R11]="GPR11", + [UNW_PPC64_R12]="GPR12", + [UNW_PPC64_R13]="GPR13", + [UNW_PPC64_R14]="GPR14", + [UNW_PPC64_R15]="GPR15", + [UNW_PPC64_R16]="GPR16", + [UNW_PPC64_R17]="GPR17", + [UNW_PPC64_R18]="GPR18", + [UNW_PPC64_R19]="GPR19", + [UNW_PPC64_R20]="GPR20", + [UNW_PPC64_R21]="GPR21", + [UNW_PPC64_R22]="GPR22", + [UNW_PPC64_R23]="GPR23", + [UNW_PPC64_R24]="GPR24", + [UNW_PPC64_R25]="GPR25", + [UNW_PPC64_R26]="GPR26", + [UNW_PPC64_R27]="GPR27", + [UNW_PPC64_R28]="GPR28", + [UNW_PPC64_R29]="GPR29", + [UNW_PPC64_R30]="GPR30", + [UNW_PPC64_R31]="GPR31", + + [UNW_PPC64_F0]="FPR0", + [UNW_PPC64_F1]="FPR1", + [UNW_PPC64_F2]="FPR2", + [UNW_PPC64_F3]="FPR3", + [UNW_PPC64_F4]="FPR4", + [UNW_PPC64_F5]="FPR5", + [UNW_PPC64_F6]="FPR6", + [UNW_PPC64_F7]="FPR7", + [UNW_PPC64_F8]="FPR8", + [UNW_PPC64_F9]="FPR9", + [UNW_PPC64_F10]="FPR10", + [UNW_PPC64_F11]="FPR11", + [UNW_PPC64_F12]="FPR12", + [UNW_PPC64_F13]="FPR13", + [UNW_PPC64_F14]="FPR14", + [UNW_PPC64_F15]="FPR15", + [UNW_PPC64_F16]="FPR16", + [UNW_PPC64_F17]="FPR17", + [UNW_PPC64_F18]="FPR18", + [UNW_PPC64_F19]="FPR19", + [UNW_PPC64_F20]="FPR20", + [UNW_PPC64_F21]="FPR21", + [UNW_PPC64_F22]="FPR22", + [UNW_PPC64_F23]="FPR23", + [UNW_PPC64_F24]="FPR24", + [UNW_PPC64_F25]="FPR25", + [UNW_PPC64_F26]="FPR26", + [UNW_PPC64_F27]="FPR27", + [UNW_PPC64_F28]="FPR28", + [UNW_PPC64_F29]="FPR29", + [UNW_PPC64_F30]="FPR30", + [UNW_PPC64_F31]="FPR31", + + [UNW_PPC64_LR]="LR", + [UNW_PPC64_CTR]="CTR", + [UNW_PPC64_ARG_POINTER]="ARG_POINTER", + + [UNW_PPC64_CR0]="CR0", + [UNW_PPC64_CR1]="CR1", + [UNW_PPC64_CR2]="CR2", + [UNW_PPC64_CR3]="CR3", + [UNW_PPC64_CR4]="CR4", + [UNW_PPC64_CR5]="CR5", + [UNW_PPC64_CR6]="CR6", + [UNW_PPC64_CR7]="CR7", + + [UNW_PPC64_XER]="XER", + + [UNW_PPC64_V0]="VR0", + [UNW_PPC64_V1]="VR1", + [UNW_PPC64_V2]="VR2", + [UNW_PPC64_V3]="VR3", + [UNW_PPC64_V4]="VR4", + [UNW_PPC64_V5]="VR5", + [UNW_PPC64_V6]="VR6", + [UNW_PPC64_V7]="VR7", + [UNW_PPC64_V8]="VR8", + [UNW_PPC64_V9]="VR9", + [UNW_PPC64_V10]="VR10", + [UNW_PPC64_V11]="VR11", + [UNW_PPC64_V12]="VR12", + [UNW_PPC64_V13]="VR13", + [UNW_PPC64_V14]="VR14", + [UNW_PPC64_V15]="VR15", + [UNW_PPC64_V16]="VR16", + [UNW_PPC64_V17]="VR17", + [UNW_PPC64_V18]="VR18", + [UNW_PPC64_V19]="VR19", + [UNW_PPC64_V20]="VR20", + [UNW_PPC64_V21]="VR21", + [UNW_PPC64_V22]="VR22", + [UNW_PPC64_V23]="VR23", + [UNW_PPC64_V24]="VR24", + [UNW_PPC64_V25]="VR25", + [UNW_PPC64_V26]="VR26", + [UNW_PPC64_V27]="VR27", + [UNW_PPC64_V28]="VR28", + [UNW_PPC64_V29]="VR29", + [UNW_PPC64_V30]="VR30", + [UNW_PPC64_V31]="VR31", + + [UNW_PPC64_VSCR]="VSCR", + + [UNW_PPC64_VRSAVE]="VRSAVE", + [UNW_PPC64_SPE_ACC]="SPE_ACC", + [UNW_PPC64_SPEFSCR]="SPEFSCR", + + }; + +PROTECTED const char * +unw_regname (unw_regnum_t reg) +{ + if (reg < (unw_regnum_t) ARRAY_SIZE (regname)) + return regname[reg]; + else + return "???"; +} Index: libunwind/src/ppc64/setcontext.S =================================================================== --- /dev/null +++ libunwind/src/ppc64/setcontext.S @@ -0,0 +1,4 @@ + .global _UI_setcontext + +_UI_setcontext: + retq Index: libunwind/src/ppc64/siglongjmp.S =================================================================== --- /dev/null +++ libunwind/src/ppc64/siglongjmp.S @@ -0,0 +1,25 @@ +/* libunwind - a platform-independent unwind library + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + + .globl _UI_siglongjmp_cont + Index: libunwind/src/ppc64/ucontext_i.h =================================================================== --- /dev/null +++ libunwind/src/ppc64/ucontext_i.h @@ -0,0 +1,173 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef ucontext_i_h +#define ucontext_i_h + +#include + +/* These values were derived by reading + /usr/src/linux-2.6.18-1.8/arch/um/include/sysdep-ppc/ptrace.h and + /usr/src/linux-2.6.18-1.8/arch/powerpc/kernel/ppc32.h +*/ + +#define NIP_IDX 32 +#define MSR_IDX 33 +#define ORIG_GPR3_IDX 34 +#define CTR_IDX 35 +#define LINK_IDX 36 +#define XER_IDX 37 +#define CCR_IDX 38 +#define SOFTE_IDX 39 +#define TRAP_IDX 40 +#define DAR_IDX 41 +#define DSISR_IDX 42 +#define RESULT_IDX 43 + +#define VSCR_IDX 32 +#define VRSAVE_IDX 33 + +/* These are dummy structures used only for obtaining the offsets of the + various structure members. */ +static ucontext_t dmy_ctxt; +static vrregset_t dmy_vrregset; + +#define UC_MCONTEXT_GREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[0] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[1] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[2] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[3] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[4] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[5] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[6] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[7] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[8] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[9] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[10] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[11] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[12] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[13] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[14] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[15] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[16] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[17] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[18] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[19] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[20] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[21] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[22] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[23] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[24] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[25] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[26] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[27] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[28] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[29] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[30] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[31] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_NIP ((void *)&dmy_ctxt.uc_mcontext.gp_regs[NIP_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_MSR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[MSR_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_ORIG_GPR3 ((void *)&dmy_ctxt.uc_mcontext.gp_regs[ORIG_GPR3_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_CTR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[CTR_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_LINK ((void *)&dmy_ctxt.uc_mcontext.gp_regs[LINK_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_XER ((void *)&dmy_ctxt.uc_mcontext.gp_regs[XER_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_CCR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[CCR_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_SOFTE ((void *)&dmy_ctxt.uc_mcontext.gp_regs[SOFTE_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_TRAP ((void *)&dmy_ctxt.uc_mcontext.gp_regs[TRAP_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_DAR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[DAR_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_DSISR ((void *)&dmy_ctxt.uc_mcontext.gp_regs[DSISR_IDX] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_GREGS_RESULT ((void *)&dmy_ctxt.uc_mcontext.gp_regs[RESULT_IDX] - (void *)&dmy_ctxt) + +#define UC_MCONTEXT_FREGS_R0 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[0] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R1 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[1] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R2 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[2] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R3 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[3] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R4 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[4] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R5 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[5] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R6 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[6] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R7 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[7] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R8 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[8] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R9 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[9] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R10 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[10] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R11 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[11] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R12 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[12] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R13 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[13] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R14 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[14] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R15 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[15] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R16 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[16] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R17 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[17] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R18 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[18] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R19 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[19] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R20 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[20] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R21 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[21] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R22 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[22] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R23 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[23] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R24 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[24] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R25 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[25] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R26 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[26] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R27 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[27] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R28 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[28] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R29 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[29] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R30 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[30] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_R31 ((void *)&dmy_ctxt.uc_mcontext.fp_regs[31] - (void *)&dmy_ctxt) +#define UC_MCONTEXT_FREGS_FPSCR ((void *)&dmy_ctxt.uc_mcontext.fp_regs[32] - (void *)&dmy_ctxt) + +#define UC_MCONTEXT_V_REGS ((void *)&dmy_ctxt.uc_mcontext.v_regs - (void *)&dmy_ctxt) + +#define UC_MCONTEXT_VREGS_R0 ((void *)&dmy_vrregset.vrregs[0] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R1 ((void *)&dmy_vrregset.vrregs[1] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R2 ((void *)&dmy_vrregset.vrregs[2] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R3 ((void *)&dmy_vrregset.vrregs[3] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R4 ((void *)&dmy_vrregset.vrregs[4] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R5 ((void *)&dmy_vrregset.vrregs[5] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R6 ((void *)&dmy_vrregset.vrregs[6] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R7 ((void *)&dmy_vrregset.vrregs[7] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R8 ((void *)&dmy_vrregset.vrregs[8] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R9 ((void *)&dmy_vrregset.vrregs[9] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R10 ((void *)&dmy_vrregset.vrregs[10] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R11 ((void *)&dmy_vrregset.vrregs[11] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R12 ((void *)&dmy_vrregset.vrregs[12] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R13 ((void *)&dmy_vrregset.vrregs[13] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R14 ((void *)&dmy_vrregset.vrregs[14] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R15 ((void *)&dmy_vrregset.vrregs[15] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R16 ((void *)&dmy_vrregset.vrregs[16] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R17 ((void *)&dmy_vrregset.vrregs[17] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R18 ((void *)&dmy_vrregset.vrregs[18] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R19 ((void *)&dmy_vrregset.vrregs[19] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R20 ((void *)&dmy_vrregset.vrregs[20] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R21 ((void *)&dmy_vrregset.vrregs[21] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R22 ((void *)&dmy_vrregset.vrregs[22] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R23 ((void *)&dmy_vrregset.vrregs[23] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R24 ((void *)&dmy_vrregset.vrregs[24] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R25 ((void *)&dmy_vrregset.vrregs[25] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R26 ((void *)&dmy_vrregset.vrregs[26] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R27 ((void *)&dmy_vrregset.vrregs[27] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R28 ((void *)&dmy_vrregset.vrregs[28] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R29 ((void *)&dmy_vrregset.vrregs[29] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R30 ((void *)&dmy_vrregset.vrregs[30] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_R31 ((void *)&dmy_vrregset.vrregs[31] - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_VSCR ((void *)&dmy_vrregset.vscr - (void *)&dmy_vrregset) +#define UC_MCONTEXT_VREGS_VRSAVE ((void *)&dmy_vrregset.vrsave - (void *)&dmy_vrregset) + +#endif Index: libunwind/src/ppc64/unwind_i.h =================================================================== --- /dev/null +++ libunwind/src/ppc64/unwind_i.h @@ -0,0 +1,53 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2006-2007 IBM + Contributed by + Corey Ashford + Jose Flavio Aguilar Paulino + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef unwind_i_h +#define unwind_i_h + +#include +#include + +#include + +#include +#include + +#define ppc64_lock UNW_OBJ(lock) +#define ppc64_local_resume UNW_OBJ(local_resume) +#define ppc64_local_addr_space_init UNW_OBJ(local_addr_space_init) +#if 0 +#define ppc64_scratch_loc UNW_OBJ(scratch_loc) +#endif + +extern void ppc64_local_addr_space_init (void); +extern int ppc64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, + void *arg); +#if 0 +extern dwarf_loc_t ppc64_scratch_loc (struct cursor *c, unw_regnum_t reg); +#endif + +#endif /* unwind_i_h */ Index: libunwind/tests/Makefile.am =================================================================== --- libunwind/tests/Makefile.am.orig +++ libunwind/tests/Makefile.am @@ -25,7 +25,11 @@ if ARCH_IA64 Gia64-test-rbs Lia64-test-rbs \ Gia64-test-readonly Lia64-test-readonly \ ia64-test-setjmp ia64-test-sig -endif +else +if ARCH_PPC64 + noinst_PROGRAMS_arch = ppc64-test-altivec ppc64-test-wchar +endif #ARCH_PPC64 +endif #ARCH_IA64 check_SCRIPTS_cdep = run-ptrace-mapper run-ptrace-misc check_PROGRAMS_cdep = Gtest-bt Ltest-bt Gtest-exc Ltest-exc \ Gtest-init Ltest-init \ @@ -69,6 +73,8 @@ Gia64_test_rbs_SOURCES = Gia64-test-rbs. Lia64_test_nat_SOURCES = Lia64-test-nat.c ia64-test-nat-asm.S Gia64_test_nat_SOURCES = Gia64-test-nat.c ia64-test-nat-asm.S ia64_test_dyn1_SOURCES = ia64-test-dyn1.c ia64-dyn-asm.S flush-cache.S +ppc64_test_altivec_SOURCES = ppc64-test-altivec.c ppc64-test-altivec-utils.c +ppc64_test_wchar_SOURCES = ppc64-test-wchar.c Gtest_init_SOURCES = Gtest-init.cxx Ltest_init_SOURCES = Ltest-init.cxx Gtest_dyn1_SOURCES = Gtest-dyn1.c flush-cache.S Index: libunwind/src/ptrace/_UPT_reg_offset.c =================================================================== --- libunwind/src/ptrace/_UPT_reg_offset.c.orig +++ libunwind/src/ptrace/_UPT_reg_offset.c @@ -286,6 +286,7 @@ int _UPT_reg_offset[UNW_REG_LAST + 1] = // [UNW_X86_64_EFLAGS] = 0x90, // [UNW_X86_64_RSP] = 0x98, // [UNW_X86_64_SS] = 0xa0 +#elif defined(UNW_TARGET_PPC64) #else # error Fix me. #endif Index: libunwind/tests/ppc64-test-altivec-utils.c =================================================================== --- /dev/null +++ libunwind/tests/ppc64-test-altivec-utils.c @@ -0,0 +1,32 @@ +#include +#include + +union si_overlay +{ + vector signed int v; + int ints[4]; +}; + +vector signed int +vec_init () +{ + vector signed int v; + static int count = 1; + + ((union si_overlay *) &v)->ints[0] = count++; + ((union si_overlay *) &v)->ints[1] = count++; + ((union si_overlay *) &v)->ints[2] = count++; + ((union si_overlay *) &v)->ints[3] = count++; + return v; +} + +void +vec_print (vector signed int v) +{ + printf ("%08x %08x %08x %08x", + ((union si_overlay *) &v)->ints[0], + ((union si_overlay *) &v)->ints[1], + ((union si_overlay *) &v)->ints[2], + ((union si_overlay *) &v)->ints[3]); +} + Index: libunwind/tests/ppc64-test-altivec.c =================================================================== --- /dev/null +++ libunwind/tests/ppc64-test-altivec.c @@ -0,0 +1,177 @@ + + +#include +#include +#include +#include +#include +#include + +#include + +#define panic(args...) { fprintf (stderr, args); abort(); } + +extern vector signed int vec_init (); +extern void vec_print (vector signed int v); + +vector signed int vec_stack (int count); + +int +main () +{ + printf ("&vec_stack = %016lx\n", (unsigned long) vec_stack); + vec_stack (3); + return 0; +} + + +vector signed int +vec_stack (int count) +{ + register vector signed int v1; + register vector signed int v2; + register vector signed int v3; + register vector signed int v4; + register vector signed int v5; + register vector signed int v6; + register vector signed int v7; + register vector signed int v8; + register vector signed int v9; + + unw_fpreg_t vr; + + unw_cursor_t cursor; + unw_word_t ip, sp; + unw_context_t uc; + int ret; + int verbose = 1; + + /* if (count == 0) return vec_init(); */ + + if (count == 0) + { + unw_getcontext (&uc); + if (unw_init_local (&cursor, &uc) < 0) + { + panic ("unw_init_local failed!\n"); + } + else + { + do + { + if ((ret = unw_get_reg (&cursor, UNW_REG_IP, &ip)) < 0) + { + panic ("FAILURE: unw_get_reg returned %d for UNW_REG_IP\n", + ret); + } + if ((ret = unw_get_reg (&cursor, UNW_REG_SP, &sp)) < 0) + { + panic ("FAILURE: unw_get_reg returned %d for UNW_REG_SP\n", + ret); + } + if ((ret = unw_get_fpreg (&cursor, UNW_PPC64_V30, &vr)) < 0) + { + panic + ("FAILURE: unw_get_vreg returned %d for UNW_PPC64_V30\n", + ret); + } + + + if (verbose) + { + const char *regname = unw_regname (UNW_PPC64_V30); + char proc_name_buffer[256]; + unw_word_t offset; + unsigned int * vec_half1, * vec_half2; + vec_half1 = (unsigned int *)&vr; + vec_half2 = vec_half1 + 1; + printf ("ip = %016lx, sp=%016lx\n", (long) ip, (long) sp); + printf ("vr30 = %08x %08x %08x %08x\n", + (unsigned int) (*vec_half1 >> 16), + (unsigned int) (*vec_half1 & 0xffffffff), + (unsigned int) (*vec_half2 >> 16), + (unsigned int) (*vec_half2 & 0xffffffff)); + ret = + unw_get_proc_name (&cursor, proc_name_buffer, + sizeof (proc_name_buffer), &offset); + if (ret == 0) + { + printf ("proc name = %s, offset = %lx\n", + proc_name_buffer, offset); + } + else + { + panic ("unw_get_proc_name returned %d\n", ret); + } + printf ("unw_regname(UNW_PPC_V30) = %s\n\n", regname); + } + + ret = unw_step (&cursor); + if (ret < 0) + { + unw_get_reg (&cursor, UNW_REG_IP, &ip); + panic ("FAILURE: unw_step() returned %d for ip=%lx\n", ret, + (long) ip); + } + } + while (ret > 0); + } + } + + v1 = vec_init (); + v2 = vec_init (); + v3 = vec_init (); + v4 = vec_init (); + v5 = vec_init (); + v6 = vec_init (); + + /* make use of all of the registers in some calculation */ + v7 = + vec_nor (v1, vec_add (v2, vec_sub (v3, vec_and (v4, vec_or (v5, v6))))); + + /* + * "force" the registers to be non-volatile by making a call and also + * using the registers after the call. + */ + v8 = vec_stack (count - 1); + + /* + * Use the result from the previous call, plus all of the non-volatile + * registers in another calculation. + */ + v9 = + vec_nor (v1, + vec_add (v2, + vec_sub (v3, + vec_and (v4, vec_or (v5, vec_xor (v6, v8)))))); + + printf ("v1 - "); + vec_print (v1); + printf ("\n"); + printf ("v2 - "); + vec_print (v2); + printf ("\n"); + printf ("v3 - "); + vec_print (v3); + printf ("\n"); + printf ("v4 - "); + vec_print (v4); + printf ("\n"); + printf ("v5 - "); + vec_print (v5); + printf ("\n"); + printf ("v6 - "); + vec_print (v6); + printf ("\n"); + printf ("v7 - "); + vec_print (v7); + printf ("\n"); + printf ("v8 - "); + vec_print (v8); + printf ("\n"); + printf ("v9 - "); + vec_print (v9); + printf ("\n"); + + return v9; +} Index: libunwind/tests/ppc64-test-wchar.c =================================================================== --- /dev/null +++ libunwind/tests/ppc64-test-wchar.c @@ -0,0 +1,20 @@ +#include +#include +main () +{ + wchar_t *wstring = + L"Now is the time for all good men to come to the aid of their country"; + int i; + int ret; + + printf("wcslen(wstring) = %d\n", wcslen(wstring)); + for (i = 0; i < wcslen (wstring); i++) + { + ret = printf ("%lc", wstring[i]); + if (ret != 1) { + printf("printf returned: %d\n", ret); + perror("Linux says"); + } + } + printf("\n"); +}