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[PATCH v3 09/12] linux-user: Rename cpu_clone_regs to cpu_clone_regs_chi
From: |
Richard Henderson |
Subject: |
[PATCH v3 09/12] linux-user: Rename cpu_clone_regs to cpu_clone_regs_child |
Date: |
Wed, 6 Nov 2019 12:33:15 +0100 |
We will need a target-specific hook for adjusting registers
in the parent during clone. To avoid confusion, rename the
one we have to make it clear it affects the child.
At the same time, pass in the flags from the clone syscall.
We will need them for correct behaviour for Sparc.
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
linux-user/aarch64/target_cpu.h | 3 ++-
linux-user/alpha/target_cpu.h | 3 ++-
linux-user/arm/target_cpu.h | 3 ++-
linux-user/cris/target_cpu.h | 3 ++-
linux-user/hppa/target_cpu.h | 3 ++-
linux-user/i386/target_cpu.h | 3 ++-
linux-user/m68k/target_cpu.h | 3 ++-
linux-user/microblaze/target_cpu.h | 3 ++-
linux-user/mips/target_cpu.h | 3 ++-
linux-user/nios2/target_cpu.h | 3 ++-
linux-user/openrisc/target_cpu.h | 4 +++-
linux-user/ppc/target_cpu.h | 3 ++-
linux-user/riscv/target_cpu.h | 3 ++-
linux-user/s390x/target_cpu.h | 3 ++-
linux-user/sh4/target_cpu.h | 3 ++-
linux-user/sparc/target_cpu.h | 3 ++-
linux-user/tilegx/target_cpu.h | 3 ++-
linux-user/xtensa/target_cpu.h | 4 +++-
linux-user/syscall.c | 4 ++--
19 files changed, 40 insertions(+), 20 deletions(-)
diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
index a021c95fa4..cd012e0dc1 100644
--- a/linux-user/aarch64/target_cpu.h
+++ b/linux-user/aarch64/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef AARCH64_TARGET_CPU_H
#define AARCH64_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUARMState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->xregs[31] = newsp;
diff --git a/linux-user/alpha/target_cpu.h b/linux-user/alpha/target_cpu.h
index ac4d255ae7..37ba00cf41 100644
--- a/linux-user/alpha/target_cpu.h
+++ b/linux-user/alpha/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef ALPHA_TARGET_CPU_H
#define ALPHA_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUAlphaState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUAlphaState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->ir[IR_SP] = newsp;
diff --git a/linux-user/arm/target_cpu.h b/linux-user/arm/target_cpu.h
index 3f79356a07..6e2ba8ad4b 100644
--- a/linux-user/arm/target_cpu.h
+++ b/linux-user/arm/target_cpu.h
@@ -41,7 +41,8 @@ static inline unsigned long arm_max_reserved_va(CPUState *cs)
}
#define MAX_RESERVED_VA arm_max_reserved_va
-static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUARMState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[13] = newsp;
diff --git a/linux-user/cris/target_cpu.h b/linux-user/cris/target_cpu.h
index 2309343979..eacc4d8d13 100644
--- a/linux-user/cris/target_cpu.h
+++ b/linux-user/cris/target_cpu.h
@@ -20,7 +20,8 @@
#ifndef CRIS_TARGET_CPU_H
#define CRIS_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUCRISState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUCRISState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[14] = newsp;
diff --git a/linux-user/hppa/target_cpu.h b/linux-user/hppa/target_cpu.h
index 1c539bdbd6..f250770790 100644
--- a/linux-user/hppa/target_cpu.h
+++ b/linux-user/hppa/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef HPPA_TARGET_CPU_H
#define HPPA_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUHPPAState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->gr[30] = newsp;
diff --git a/linux-user/i386/target_cpu.h b/linux-user/i386/target_cpu.h
index ece04d0966..1fadbf57c3 100644
--- a/linux-user/i386/target_cpu.h
+++ b/linux-user/i386/target_cpu.h
@@ -20,7 +20,8 @@
#ifndef I386_TARGET_CPU_H
#define I386_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUX86State *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[R_ESP] = newsp;
diff --git a/linux-user/m68k/target_cpu.h b/linux-user/m68k/target_cpu.h
index bc7446fbaf..57b647bc07 100644
--- a/linux-user/m68k/target_cpu.h
+++ b/linux-user/m68k/target_cpu.h
@@ -21,7 +21,8 @@
#ifndef M68K_TARGET_CPU_H
#define M68K_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUM68KState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUM68KState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->aregs[7] = newsp;
diff --git a/linux-user/microblaze/target_cpu.h
b/linux-user/microblaze/target_cpu.h
index 73e139938c..e9bc0fce65 100644
--- a/linux-user/microblaze/target_cpu.h
+++ b/linux-user/microblaze/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef MICROBLAZE_TARGET_CPU_H
#define MICROBLAZE_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUMBState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUMBState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[R_SP] = newsp;
diff --git a/linux-user/mips/target_cpu.h b/linux-user/mips/target_cpu.h
index 02cf5eeff7..8601f712e0 100644
--- a/linux-user/mips/target_cpu.h
+++ b/linux-user/mips/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef MIPS_TARGET_CPU_H
#define MIPS_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUMIPSState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUMIPSState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->active_tc.gpr[29] = newsp;
diff --git a/linux-user/nios2/target_cpu.h b/linux-user/nios2/target_cpu.h
index 5596c05c9c..fe5de7a9e3 100644
--- a/linux-user/nios2/target_cpu.h
+++ b/linux-user/nios2/target_cpu.h
@@ -20,7 +20,8 @@
#ifndef NIOS2_TARGET_CPU_H
#define NIOS2_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUNios2State *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUNios2State *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[R_SP] = newsp;
diff --git a/linux-user/openrisc/target_cpu.h b/linux-user/openrisc/target_cpu.h
index 32ff135089..309cf3eeb7 100644
--- a/linux-user/openrisc/target_cpu.h
+++ b/linux-user/openrisc/target_cpu.h
@@ -20,7 +20,9 @@
#ifndef OPENRISC_TARGET_CPU_H
#define OPENRISC_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUOpenRISCState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUOpenRISCState *env,
+ target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
cpu_set_gpr(env, 1, newsp);
diff --git a/linux-user/ppc/target_cpu.h b/linux-user/ppc/target_cpu.h
index c4641834e7..028b28312c 100644
--- a/linux-user/ppc/target_cpu.h
+++ b/linux-user/ppc/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef PPC_TARGET_CPU_H
#define PPC_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUPPCState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUPPCState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->gpr[1] = newsp;
diff --git a/linux-user/riscv/target_cpu.h b/linux-user/riscv/target_cpu.h
index 90f9a4171e..26dcafab1c 100644
--- a/linux-user/riscv/target_cpu.h
+++ b/linux-user/riscv/target_cpu.h
@@ -1,7 +1,8 @@
#ifndef RISCV_TARGET_CPU_H
#define RISCV_TARGET_CPU_H
-static inline void cpu_clone_regs(CPURISCVState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPURISCVState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->gpr[xSP] = newsp;
diff --git a/linux-user/s390x/target_cpu.h b/linux-user/s390x/target_cpu.h
index aa181ceaee..0b19e42f75 100644
--- a/linux-user/s390x/target_cpu.h
+++ b/linux-user/s390x/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef S390X_TARGET_CPU_H
#define S390X_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUS390XState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[15] = newsp;
diff --git a/linux-user/sh4/target_cpu.h b/linux-user/sh4/target_cpu.h
index b0be9a2c1b..857af43ee3 100644
--- a/linux-user/sh4/target_cpu.h
+++ b/linux-user/sh4/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef SH4_TARGET_CPU_H
#define SH4_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUSH4State *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUSH4State *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->gregs[15] = newsp;
diff --git a/linux-user/sparc/target_cpu.h b/linux-user/sparc/target_cpu.h
index b30fbc72c4..029b0fc547 100644
--- a/linux-user/sparc/target_cpu.h
+++ b/linux-user/sparc/target_cpu.h
@@ -20,7 +20,8 @@
#ifndef SPARC_TARGET_CPU_H
#define SPARC_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUSPARCState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUSPARCState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regwptr[22] = newsp;
diff --git a/linux-user/tilegx/target_cpu.h b/linux-user/tilegx/target_cpu.h
index d1aa5824f2..0523dc414c 100644
--- a/linux-user/tilegx/target_cpu.h
+++ b/linux-user/tilegx/target_cpu.h
@@ -19,7 +19,8 @@
#ifndef TILEGX_TARGET_CPU_H
#define TILEGX_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUTLGState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUTLGState *env, target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[TILEGX_R_SP] = newsp;
diff --git a/linux-user/xtensa/target_cpu.h b/linux-user/xtensa/target_cpu.h
index e31efe3ea0..84f67d469e 100644
--- a/linux-user/xtensa/target_cpu.h
+++ b/linux-user/xtensa/target_cpu.h
@@ -4,7 +4,9 @@
#ifndef XTENSA_TARGET_CPU_H
#define XTENSA_TARGET_CPU_H
-static inline void cpu_clone_regs(CPUXtensaState *env, target_ulong newsp)
+static inline void cpu_clone_regs_child(CPUXtensaState *env,
+ target_ulong newsp,
+ unsigned flags)
{
if (newsp) {
env->regs[1] = newsp;
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f6751eecb7..93749014e4 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5719,7 +5719,7 @@ static int do_fork(CPUArchState *env, unsigned int flags,
abi_ulong newsp,
/* we create a new CPU instance. */
new_env = cpu_copy(env);
/* Init regs that differ from the parent. */
- cpu_clone_regs(new_env, newsp);
+ cpu_clone_regs_child(new_env, newsp, flags);
new_cpu = env_cpu(new_env);
new_cpu->opaque = ts;
ts->bprm = parent_ts->bprm;
@@ -5798,7 +5798,7 @@ static int do_fork(CPUArchState *env, unsigned int flags,
abi_ulong newsp,
ret = fork();
if (ret == 0) {
/* Child Process. */
- cpu_clone_regs(env, newsp);
+ cpu_clone_regs_child(env, newsp, flags);
fork_end(1);
/* There is a race condition here. The parent process could
theoretically read the TID in the child process before the child
--
2.17.1
- [PATCH v3 00/12] linux-user sparc fixes, Richard Henderson, 2019/11/06
- [PATCH v3 02/12] tests/tcg/multiarch/linux-test: Fix error check for shmat, Richard Henderson, 2019/11/06
- [PATCH v3 01/12] scripts/qemu-binfmt-conf: Update for sparc64, Richard Henderson, 2019/11/06
- [PATCH v3 03/12] target/sparc: Define an enumeration for accessing env->regwptr, Richard Henderson, 2019/11/06
- [PATCH v3 04/12] linux-user/sparc: Use WREG constants in sparc/target_cpu.h, Richard Henderson, 2019/11/06
- [PATCH v3 06/12] linux-user/sparc: Use WREG_SP constant in sparc/signal.c, Richard Henderson, 2019/11/06
- [PATCH v3 05/12] linux-user/sparc: Begin using WREG constants in sparc/signal.c, Richard Henderson, 2019/11/06
- [PATCH v3 07/12] linux-user/sparc: Fix WREG usage in setup_frame, Richard Henderson, 2019/11/06
- [PATCH v3 08/12] linux-user/sparc64: Fix target_signal_frame, Richard Henderson, 2019/11/06
- [PATCH v3 09/12] linux-user: Rename cpu_clone_regs to cpu_clone_regs_child,
Richard Henderson <=
- [PATCH v3 10/12] linux-user: Introduce cpu_clone_regs_parent, Richard Henderson, 2019/11/06
- [PATCH v3 11/12] linux-user/sparc: Fix cpu_clone_regs_*, Richard Henderson, 2019/11/06
- [PATCH v3 12/12] linux-user/alpha: Set r20 secondary return value, Richard Henderson, 2019/11/06
- Re: [PATCH v3 00/12] linux-user sparc fixes, Laurent Vivier, 2019/11/06
- Re: [PATCH v3 00/12] linux-user sparc fixes, no-reply, 2019/11/06