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authorPeter Maydell <peter.maydell@linaro.org>2017-10-27 08:04:51 +0100
committerPeter Maydell <peter.maydell@linaro.org>2017-10-27 08:04:51 +0100
commit6e6430a821a150bea3fb10cb42d4f90f99f0f43d (patch)
tree7b984e2c439eb4e317a3a09e4d1ea696c80dbd76 /disas/arm.c
parent74d7fc7f6385158b8a5c524c61baaef1b66f3dac (diff)
parente219c499e9f5d4fa0e25dc07682f75531ee84d86 (diff)
Merge remote-tracking branch 'remotes/rth/tags/pull-dis-20171026' into staging
Capstone disassembler # gpg: Signature made Thu 26 Oct 2017 10:57:27 BST # gpg: using RSA key 0x64DF38E8AF7E215F # gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" # Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F * remotes/rth/tags/pull-dis-20171026: disas: Add capstone as submodule disas: Remove monitor_disas_is_physical ppc: Support Capstone in disas_set_info arm: Support Capstone in disas_set_info i386: Support Capstone in disas_set_info disas: Support the Capstone disassembler library disas: Remove unused flags arguments target/arm: Don't set INSN_ARM_BE32 for CONFIG_USER_ONLY target/arm: Move BE32 disassembler fixup target/ppc: Convert to disas_set_info hook target/i386: Convert to disas_set_info hook Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # target/i386/cpu.c # target/ppc/translate_init.c
Diffstat (limited to 'disas/arm.c')
-rw-r--r--disas/arm.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/disas/arm.c b/disas/arm.c
index 27396dd3e1..9967c45990 100644
--- a/disas/arm.c
+++ b/disas/arm.c
@@ -70,6 +70,17 @@ static void floatformat_to_double (unsigned char *data, double *dest)
*dest = u.f;
}
+static int arm_read_memory(bfd_vma memaddr, bfd_byte *b, int length,
+ struct disassemble_info *info)
+{
+ assert((info->flags & INSN_ARM_BE32) == 0 || length == 2 || length == 4);
+
+ if ((info->flags & INSN_ARM_BE32) != 0 && length == 2) {
+ memaddr ^= 2;
+ }
+ return info->read_memory_func(memaddr, b, length, info);
+}
+
/* End of qemu specific additions. */
struct opcode32
@@ -3810,7 +3821,7 @@ find_ifthen_state (bfd_vma pc, struct disassemble_info *info,
return;
}
addr -= 2;
- status = info->read_memory_func (addr, (bfd_byte *)b, 2, info);
+ status = arm_read_memory (addr, (bfd_byte *)b, 2, info);
if (status)
return;
@@ -3882,7 +3893,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info)
info->bytes_per_chunk = size;
printer = print_insn_data;
- status = info->read_memory_func (pc, (bfd_byte *)b, size, info);
+ status = arm_read_memory (pc, (bfd_byte *)b, size, info);
given = 0;
if (little)
for (i = size - 1; i >= 0; i--)
@@ -3899,7 +3910,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info)
info->bytes_per_chunk = 4;
size = 4;
- status = info->read_memory_func (pc, (bfd_byte *)b, 4, info);
+ status = arm_read_memory (pc, (bfd_byte *)b, 4, info);
if (little)
given = (b[0]) | (b[1] << 8) | (b[2] << 16) | ((unsigned)b[3] << 24);
else
@@ -3915,7 +3926,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info)
info->bytes_per_chunk = 2;
size = 2;
- status = info->read_memory_func (pc, (bfd_byte *)b, 2, info);
+ status = arm_read_memory (pc, (bfd_byte *)b, 2, info);
if (little)
given = (b[0]) | (b[1] << 8);
else
@@ -3929,7 +3940,7 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info)
|| (given & 0xF800) == 0xF000
|| (given & 0xF800) == 0xE800)
{
- status = info->read_memory_func (pc + 2, (bfd_byte *)b, 2, info);
+ status = arm_read_memory (pc + 2, (bfd_byte *)b, 2, info);
if (little)
given = (b[0]) | (b[1] << 8) | (given << 16);
else