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Fix xnu_reg_write() on iOS arm and arm64

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Ole André Vadla Ravnås 2015-09-22 00:47:29 +02:00 committed by pancake
parent b39116d21c
commit c8896847f0
1 changed files with 16 additions and 5 deletions
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21
libr/debug/p/native/xnu/xnu_debug.c
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@ -167,7 +167,6 @@ const char *xnu_reg_profile(RDebug *dbg) {
int xnu_reg_write(RDebug *dbg, int type, const ut8 *buf, int size) {
thread_array_t inferior_threads = NULL;
unsigned int inferior_thread_count = 0;
R_DEBUG_REG_T *regs = (R_DEBUG_REG_T*)buf;
unsigned int gp_count = R_DEBUG_STATE_SZ;
int ret = task_threads (pid_to_task (dbg->pid),
&inferior_threads, &inferior_thread_count);
@ -179,10 +178,11 @@ int xnu_reg_write(RDebug *dbg, int type, const ut8 *buf, int size) {
/* TODO: thread cannot be selected */
if (inferior_thread_count > 0) {
gp_count = ((dbg->bits == R_SYS_BITS_64)) ? 44 : 16;
// XXX: kinda spaguetti coz multi-arch
int tid = inferior_threads[0];
#if __i386__ || __x86_64__
R_DEBUG_REG_T *regs = (R_DEBUG_REG_T*)buf;
gp_count = ((dbg->bits == R_SYS_BITS_64)) ? 44 : 16;
switch (type) {
case R_REG_TYPE_DRX:
ret = THREAD_SET_STATE ((dbg->bits == R_SYS_BITS_64) ?
@ -194,10 +194,21 @@ int xnu_reg_write(RDebug *dbg, int type, const ut8 *buf, int size) {
break;
}
#elif __arm__ || __arm64__ || __aarch64__
gp_count = R_DEBUG_STATE_SZ;
ret = THREAD_SET_STATE (ARM_UNIFIED_THREAD_STATE);
arm_unified_thread_state_t state;
R_DEBUG_REG_T *regs = &state;
memset (&state, 0, sizeof (state));
if (dbg->bits == R_SYS_BITS_64) {
state.ash.flavor = ARM_THREAD_STATE64;
memcpy (&state.ts_64, buf,
MIN (sizeof (state.ts_64), size));
} else {
state.ash.flavor = ARM_THREAD_STATE32;
memcpy (&state.ts_32, buf,
MIN (sizeof (state.ts_32), size));
}
ret = THREAD_SET_STATE (R_DEBUG_STATE_T);
#else
ret = THREAD_SET_STATE(R_DEBUG_STATE_T);
ret = THREAD_SET_STATE (R_DEBUG_STATE_T);
#endif
if (ret != KERN_SUCCESS) {
eprintf ("debug_setregs: Failed to set thread \