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[PATCH 05/11] disas: Use qemu/bswap.h for bfd endian loads


From: Richard Henderson
Subject: [PATCH 05/11] disas: Use qemu/bswap.h for bfd endian loads
Date: Sun, 13 Sep 2020 17:01:47 -0700

Use the routines we have already instead of open-coding.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/disas/dis-asm.h | 32 ++++++++++++++++++++----
 disas.c                 | 55 -----------------------------------------
 2 files changed, 27 insertions(+), 60 deletions(-)

diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
index d2418c977e..8a216ac495 100644
--- a/include/disas/dis-asm.h
+++ b/include/disas/dis-asm.h
@@ -468,11 +468,33 @@ int print_insn_rx(bfd_vma, disassemble_info *);
 
 /* from libbfd */
 
-bfd_vma bfd_getl64 (const bfd_byte *addr);
-bfd_vma bfd_getl32 (const bfd_byte *addr);
-bfd_vma bfd_getb32 (const bfd_byte *addr);
-bfd_vma bfd_getl16 (const bfd_byte *addr);
-bfd_vma bfd_getb16 (const bfd_byte *addr);
+#include "qemu/bswap.h"
+
+static inline bfd_vma bfd_getl64(const bfd_byte *addr)
+{
+    return ldq_le_p(addr);
+}
+
+static inline bfd_vma bfd_getl32(const bfd_byte *addr)
+{
+    return (uint32_t)ldl_le_p(addr);
+}
+
+static inline bfd_vma bfd_getl16(const bfd_byte *addr)
+{
+    return lduw_le_p(addr);
+}
+
+static inline bfd_vma bfd_getb32(const bfd_byte *addr)
+{
+    return (uint32_t)ldl_be_p(addr);
+}
+
+static inline bfd_vma bfd_getb16(const bfd_byte *addr)
+{
+    return lduw_be_p(addr);
+}
+
 typedef bool bfd_boolean;
 
 #endif /* DISAS_DIS_ASM_H */
diff --git a/disas.c b/disas.c
index 50b5677930..20fad6aabb 100644
--- a/disas.c
+++ b/disas.c
@@ -85,61 +85,6 @@ generic_symbol_at_address (bfd_vma addr, struct 
disassemble_info *info)
   return 1;
 }
 
-bfd_vma bfd_getl64 (const bfd_byte *addr)
-{
-  unsigned long long v;
-
-  v = (unsigned long long) addr[0];
-  v |= (unsigned long long) addr[1] << 8;
-  v |= (unsigned long long) addr[2] << 16;
-  v |= (unsigned long long) addr[3] << 24;
-  v |= (unsigned long long) addr[4] << 32;
-  v |= (unsigned long long) addr[5] << 40;
-  v |= (unsigned long long) addr[6] << 48;
-  v |= (unsigned long long) addr[7] << 56;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl32 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0];
-  v |= (unsigned long) addr[1] << 8;
-  v |= (unsigned long) addr[2] << 16;
-  v |= (unsigned long) addr[3] << 24;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb32 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0] << 24;
-  v |= (unsigned long) addr[1] << 16;
-  v |= (unsigned long) addr[2] << 8;
-  v |= (unsigned long) addr[3];
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getl16 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0];
-  v |= (unsigned long) addr[1] << 8;
-  return (bfd_vma) v;
-}
-
-bfd_vma bfd_getb16 (const bfd_byte *addr)
-{
-  unsigned long v;
-
-  v = (unsigned long) addr[0] << 24;
-  v |= (unsigned long) addr[1] << 16;
-  return (bfd_vma) v;
-}
-
 static int print_insn_objdump(bfd_vma pc, disassemble_info *info,
                               const char *prefix)
 {
-- 
2.25.1




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