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Deep copy for arm cpu state

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mio
2022-10-01 00:13:36 +02:00
parent 2a3cc7a1b3
commit 19d8876e23
4 changed files with 202 additions and 9 deletions
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30
uc.c
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@@ -2,6 +2,7 @@
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2015 */
/* Modified for Unicorn Engine by Chen Huitao<chenhuitao@hfmrit.com>, 2020 */
#include "unicorn/unicorn.h"
#if defined(UNICORN_HAS_OSXKERNEL)
#include <libkern/libkern.h>
#else
@@ -1861,7 +1862,7 @@ uc_err uc_context_alloc(uc_engine *uc, uc_context **context)
*_context = g_malloc(size);
if (*_context) {
(*_context)->context_size = uc->cpu_context_size;
(*_context)->context_size = size - sizeof(uc_context);
(*_context)->arch = uc->arch;
(*_context)->mode = uc->mode;
return UC_ERR_OK;
@@ -1881,8 +1882,13 @@ UNICORN_EXPORT
size_t uc_context_size(uc_engine *uc)
{
UC_INIT(uc);
// return the total size of struct uc_context
return sizeof(uc_context) + uc->cpu_context_size;
if (!uc->context_size) {
// return the total size of struct uc_context
return sizeof(uc_context) + uc->cpu_context_size;
} else {
return sizeof(uc_context) + uc->context_size(uc);
}
}
UNICORN_EXPORT
@@ -1890,9 +1896,12 @@ uc_err uc_context_save(uc_engine *uc, uc_context *context)
{
UC_INIT(uc);
memcpy(context->data, uc->cpu->env_ptr, context->context_size);
return UC_ERR_OK;
if (!uc->context_save) {
memcpy(context->data, uc->cpu->env_ptr, context->context_size);
return UC_ERR_OK;
} else {
return uc->context_save(uc, context);
}
}
UNICORN_EXPORT
@@ -2064,9 +2073,12 @@ uc_err uc_context_restore(uc_engine *uc, uc_context *context)
{
UC_INIT(uc);
memcpy(uc->cpu->env_ptr, context->data, context->context_size);
return UC_ERR_OK;
if (!uc->context_restore) {
memcpy(uc->cpu->env_ptr, context->data, context->context_size);
return UC_ERR_OK;
} else {
return uc->context_restore(uc, context);
}
}
UNICORN_EXPORT