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Capstone disassembler

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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
This commit is contained in:
Peter Maydell 2017-10-27 08:04:51 +01:00
commit 6e6430a821
33 changed files with 468 additions and 185 deletions
Download patch file Download diff file Expand all files Collapse all files

49
target/arm/cpu.c
View file

@ -33,6 +33,7 @@
#include "sysemu/sysemu.h"
#include "sysemu/hw_accel.h"
#include "kvm_arm.h"
#include "disas/capstone.h"
static void arm_cpu_set_pc(CPUState *cs, vaddr value)
{
@ -473,25 +474,11 @@ print_insn_thumb1(bfd_vma pc, disassemble_info *info)
return print_insn_arm(pc | 1, info);
}
static int arm_read_memory_func(bfd_vma memaddr, bfd_byte *b,
int length, struct disassemble_info *info)
{
assert(info->read_memory_inner_func);
assert((info->flags & INSN_ARM_BE32) == 0 || length == 2 || length == 4);
if ((info->flags & INSN_ARM_BE32) != 0 && length == 2) {
assert(info->endian == BFD_ENDIAN_LITTLE);
return info->read_memory_inner_func(memaddr ^ 2, (bfd_byte *)b, 2,
info);
} else {
return info->read_memory_inner_func(memaddr, b, length, info);
}
}
static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
{
ARMCPU *ac = ARM_CPU(cpu);
CPUARMState *env = &ac->env;
bool sctlr_b;
if (is_a64(env)) {
/* We might not be compiled with the A64 disassembler
@ -501,26 +488,40 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
#if defined(CONFIG_ARM_A64_DIS)
info->print_insn = print_insn_arm_a64;
#endif
} else if (env->thumb) {
info->print_insn = print_insn_thumb1;
info->cap_arch = CS_ARCH_ARM64;
} else {
info->print_insn = print_insn_arm;
int cap_mode;
if (env->thumb) {
info->print_insn = print_insn_thumb1;
cap_mode = CS_MODE_THUMB;
} else {
info->print_insn = print_insn_arm;
cap_mode = CS_MODE_ARM;
}
if (arm_feature(env, ARM_FEATURE_V8)) {
cap_mode |= CS_MODE_V8;
}
if (arm_feature(env, ARM_FEATURE_M)) {
cap_mode |= CS_MODE_MCLASS;
}
info->cap_arch = CS_ARCH_ARM;
info->cap_mode = cap_mode;
}
if (bswap_code(arm_sctlr_b(env))) {
sctlr_b = arm_sctlr_b(env);
if (bswap_code(sctlr_b)) {
#ifdef TARGET_WORDS_BIGENDIAN
info->endian = BFD_ENDIAN_LITTLE;
#else
info->endian = BFD_ENDIAN_BIG;
#endif
}
if (info->read_memory_inner_func == NULL) {
info->read_memory_inner_func = info->read_memory_func;
info->read_memory_func = arm_read_memory_func;
}
info->flags &= ~INSN_ARM_BE32;
if (arm_sctlr_b(env)) {
#ifndef CONFIG_USER_ONLY
if (sctlr_b) {
info->flags |= INSN_ARM_BE32;
}
#endif
}
uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz)

3
target/arm/translate-a64.c
View file

@ -11423,8 +11423,7 @@ static void aarch64_tr_disas_log(const DisasContextBase *dcbase,
DisasContext *dc = container_of(dcbase, DisasContext, base);
qemu_log("IN: %s\n", lookup_symbol(dc->base.pc_first));
log_target_disas(cpu, dc->base.pc_first, dc->base.tb->size,
4 | (bswap_code(dc->sctlr_b) ? 2 : 0));
log_target_disas(cpu, dc->base.pc_first, dc->base.tb->size);
}
const TranslatorOps aarch64_translator_ops = {

3
target/arm/translate.c
View file

@ -12372,8 +12372,7 @@ static void arm_tr_disas_log(const DisasContextBase *dcbase, CPUState *cpu)
DisasContext *dc = container_of(dcbase, DisasContext, base);
qemu_log("IN: %s\n", lookup_symbol(dc->base.pc_first));
log_target_disas(cpu, dc->base.pc_first, dc->base.tb->size,
dc->thumb | (dc->sctlr_b << 1));
log_target_disas(cpu, dc->base.pc_first, dc->base.tb->size);
}
static const TranslatorOps arm_translator_ops = {