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Third Party Musl
提交 5aa165b0 编写于 作者: Y yinchuang
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Add linker log 

Issue:I7EFAP
Signed-off-by: Nyinchuang <yinchuang@huawei.com>
上级 496a2a8a
隐藏空白更改
内联 并排
Showing with 55 addition and 41 deletion
porting/linux/user/ldso/cfi.c
浏览文件 @ 5aa165b0
......@@ -184,12 +184,9 @@ static uintptr_t get_cfi_check_addr(uint16_t value, void* func_ptr)
static inline void cfi_slowpath_common(uint64_t call_site_type_id, void *func_ptr, void *diag_data)
{
LD_LOGI("[CFI] [%{public}s] func_ptr[%{public}p] !\n", __FUNCTION__, func_ptr);
uint16_t value = sv_invalid;
if (func_ptr == NULL) {
LD_LOGE("[CFI] [%{public}s] func_ptr is NULL!\n", __FUNCTION__);
return;
}
......@@ -214,7 +211,11 @@ static inline void cfi_slowpath_common(uint64_t call_site_type_id, void *func_pt
} else {
value = *((uint16_t*)(cfi_shadow_start + offset));
}
LD_LOGI("[CFI] [%{public}s] the value is 0x%{public}x!\n", __FUNCTION__, value);
LD_LOGD("[CFI] [%{public}s] called from %{public}s to %{public}s func_ptr:0x%{public}p shadow value:%{public}d diag_data:0x%{public}p call_site_type_id[%{public}p.\n",
__FUNCTION__,
((struct dso *)addr2dso((size_t)__builtin_return_address(0)))->name,
((struct dso *)addr2dso((size_t)func_ptr))->name,
func_ptr, value, diag_data, call_site_type_id);
struct dso *dso = NULL;
switch (value)
......@@ -232,7 +233,7 @@ static inline void cfi_slowpath_common(uint64_t call_site_type_id, void *func_pt
LD_LOGE("[CFI] [%{public}s] can not find the dso!\n", __FUNCTION__);
__builtin_trap();
}
LD_LOGI("[CFI] [%{public}s] dso name[%{public}s]!\n", __FUNCTION__, dso->name);
LD_LOGD("[CFI] [%{public}s] dso name[%{public}s]!\n", __FUNCTION__, dso->name);
struct symdef cfi_check_sym = find_cfi_check_sym(dso);
if (!cfi_check_sym.sym) {
......@@ -255,7 +256,7 @@ static inline void cfi_slowpath_common(uint64_t call_site_type_id, void *func_pt
int init_cfi_shadow(struct dso *dso_list, struct dso *ldso)
{
LD_LOGI("[CFI] [%{public}s] start!\n", __FUNCTION__);
LD_LOGD("[CFI] [%{public}s] start!\n", __FUNCTION__);
if (dso_list == NULL) {
LD_LOGW("[CFI] [%{public}s] has null param!\n", __FUNCTION__);
......@@ -271,8 +272,6 @@ int init_cfi_shadow(struct dso *dso_list, struct dso *ldso)
int map_dso_to_cfi_shadow(struct dso *dso)
{
LD_LOGI("[CFI] [%{public}s] start!\n", __FUNCTION__);
bool has_cfi_check = false;
if (dso == NULL) {
......@@ -285,7 +284,7 @@ int map_dso_to_cfi_shadow(struct dso *dso)
/* Find __cfi_check symbol in dso list */
for (struct dso *p = dso; p; p = p->next) {
if (find_cfi_check_sym(p).sym) {
LD_LOGI("[CFI] [%{public}s] find __cfi_check function in dso %{public}s!\n", __FUNCTION__, p->name);
LD_LOGD("[CFI] [%{public}s] find __cfi_check function in dso %{public}s!\n", __FUNCTION__, p->name);
has_cfi_check = true;
break;
}
......@@ -296,13 +295,11 @@ int map_dso_to_cfi_shadow(struct dso *dso)
LD_LOGE("[CFI] [%{public}s] create cfi shadow failed!\n", __FUNCTION__);
return CFI_FAILED;
}
LD_LOGD("[CFI] [%{public}s] add_dso_to_cfi_shadow with dso_list_head!\n", __FUNCTION__);
add_dso_to_cfi_shadow(dso_list_head);
prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, cfi_shadow_start, shadow_size, "cfi_shadow:musl");
}
/* If the cfi shadow exists, map the current dso and its dependents to it. */
} else {
LD_LOGD("[CFI] [%{public}s] add_dso_to_cfi_shadow with dso!\n", __FUNCTION__);
add_dso_to_cfi_shadow(dso);
prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, cfi_shadow_start, shadow_size, "cfi_shadow:musl");
}
......@@ -312,14 +309,12 @@ int map_dso_to_cfi_shadow(struct dso *dso)
void unmap_dso_from_cfi_shadow(struct dso *dso)
{
LD_LOGD("[CFI] [%{public}s] start!\n", __FUNCTION__);
if (dso == NULL) {
LD_LOGE("[CFI] [%{public}s] has null param!\n", __FUNCTION__);
LD_LOGD("[CFI] [%{public}s] has null param!\n", __FUNCTION__);
return;
}
LD_LOGI("[CFI] [%{public}s] unmap dso %{public}s from shadow!\n", __FUNCTION__, dso->name);
LD_LOGD("[CFI] [%{public}s] unmap dso %{public}s from shadow!\n", __FUNCTION__, dso->name);
if (cfi_shadow_start == NULL)
return;
......@@ -354,17 +349,16 @@ static int create_cfi_shadow(void)
}
cfi_shadow_start = (char*)mmap_addr;
LD_LOGI("[CFI] [%{public}s] the cfi_shadow_start addr is %{public}p!\n", __FUNCTION__, cfi_shadow_start);
LD_LOGD("[CFI] [%{public}s] the cfi_shadow_start addr is %{public}p!\n", __FUNCTION__, cfi_shadow_start);
return CFI_SUCCESS;
}
static int add_dso_to_cfi_shadow(struct dso *dso)
{
LD_LOGI("[CFI] [%{public}s] start!\n", __FUNCTION__);
LD_LOGD("[CFI] [%{public}s] start with %{public}s !\n", __FUNCTION__, dso->name);
for (struct dso *p = dso; p; p = p->next) {
LD_LOGI("[CFI] [%{public}s] start to deal with dso %{public}s!\n", __FUNCTION__, p->name);
LD_LOGD("[CFI] [%{public}s] adding %{public}s to cfi shadow!\n", __FUNCTION__, p->name);
if (p->map == 0 || p->map_len == 0) {
LD_LOGW("[CFI] [%{public}s] the dso has no data! map[%{public}p] map_len[0x%{public}x]\n",
__FUNCTION__, p->map, p->map_len);
......@@ -372,43 +366,44 @@ static int add_dso_to_cfi_shadow(struct dso *dso)
}
if (p->is_mapped_to_shadow == true) {
LD_LOGW("[CFI] [%{public}s] the dso is already in shadow!\n", __FUNCTION__);
LD_LOGW("[CFI] [%{public}s] %{public}s is already in shadow!\n", __FUNCTION__, p->name);
continue;
}
struct symdef cfi_check_sym = find_cfi_check_sym(p);
/* If the dso doesn't have __cfi_check(), set it's shadow value unchecked. */
if (!cfi_check_sym.sym) {
LD_LOGI("[CFI] [%{public}s] the dso has no __cfi_check()!\n", __FUNCTION__);
LD_LOGD("[CFI] [%{public}s] %{public}s has no __cfi_check()!\n", __FUNCTION__, p->name);
if (fill_shadow_value_to_shadow(p->map, p->map + p->map_len, 0, sv_uncheck) == CFI_FAILED) {
LD_LOGE("[CFI] [%{public}s] add dso to cfi shadow failed!\n", __FUNCTION__);
return CFI_FAILED;
}
/* If the dso has __cfi_check(), set it's shadow value valid. */
} else {
LD_LOGI("[CFI] [%{public}s] the dso has __cfi_check()!\n", __FUNCTION__);
LD_LOGD("[CFI] [%{public}s] %{public}s has __cfi_check()!\n", __FUNCTION__, p->name);
uintptr_t end = p->map + p->map_len;
uintptr_t cfi_check = LADDR(cfi_check_sym.dso, cfi_check_sym.sym->st_value);
if (cfi_check == 0) {
LD_LOGE("[CFI] [%{public}s] the dso has null cfi_check func!\n", __FUNCTION__);
LD_LOGE("[CFI] [%{public}s] %{public}s has null cfi_check func!\n", __FUNCTION__, p->name);
return CFI_FAILED;
}
if (fill_shadow_value_to_shadow(p->map, end, cfi_check, sv_valid_min) == CFI_FAILED) {
LD_LOGE("[CFI] [%{public}s] add dso to cfi shadow failed!\n", __FUNCTION__);
LD_LOGE("[CFI] [%{public}s] add %{public}s to cfi shadow failed!\n", __FUNCTION__, p->name);
return CFI_FAILED;
}
}
p->is_mapped_to_shadow = true;
LD_LOGI("[CFI] [%{public}s] finish to deal with dso %{public}s!\n", __FUNCTION__, p->name);
LD_LOGD("[CFI] [%{public}s] add %{public}s to cfi shadow succeed.\n", __FUNCTION__, p->name);
}
LD_LOGD("[CFI] [%{public}s] %{public}s done.\n", __FUNCTION__, dso->name);
return CFI_SUCCESS;
}
static int fill_shadow_value_to_shadow(uintptr_t begin, uintptr_t end, uintptr_t cfi_check, uint16_t type)
{
LD_LOGI("[CFI] [%{public}s] begin[%{public}x] end[%{public}x] cfi_check[%{public}x] type[%{public}x]!\n",
LD_LOGD("[CFI] [%{public}s] begin[%{public}x] end[%{public}x] cfi_check[%{public}x] type[%{public}x]!\n",
__FUNCTION__, begin, end, cfi_check, type);
/* To ensure the atomicity of the CFI shadow operation, we create a temp_shadow, write the shadow value to
......@@ -445,7 +440,7 @@ static int fill_shadow_value_to_shadow(uintptr_t begin, uintptr_t end, uintptr_t
uint16_t shadow_value_begin = ((begin + shadow_alignment - cfi_check)
>> cfi_check_granularity) + sv_valid_min;
#endif
LD_LOGI("[CFI] [%{public}s] shadow_value_begin is 0x%{public}x!\n", __FUNCTION__, shadow_value_begin);
LD_LOGD("[CFI] [%{public}s] shadow_value_begin is 0x%{public}x!\n", __FUNCTION__, shadow_value_begin);
uint16_t shadow_value_step = 1 << (shadow_granularity - cfi_check_granularity);
uint16_t shadow_value = shadow_value_begin;
......
porting/linux/user/ldso/dynlink.c
浏览文件 @ 5aa165b0
......@@ -2305,10 +2305,8 @@ static void do_android_relocs(struct dso *p, size_t dt_name, size_t dt_size)
}
if (dt_name == DT_ANDROID_REL) {
LD_LOGI("do_android_relocs REL %{public}x %{public}x", rel[0], rel[1]);
do_relocs(p, rel, sizeof(size_t)*2, 2);
} else {
LD_LOGI("do_android_relocs RELA %{public}x %{public}x %{public}x", rel[0], rel[1], rel[2]);
do_relocs(p, rel, sizeof(size_t)*3, 3);
}
}
......@@ -3388,11 +3386,9 @@ void *dlopen(const char *file, int mode)
void dlns_init(Dl_namespace *dlns, const char *name)
{
if (!dlns) {
LD_LOGE("dlns_init dlns is null.");
return;
}
if (!name) {
LD_LOGE("dlns_init name is null.");
dlns->name[0] = 0;
return;
}
......@@ -3636,20 +3632,25 @@ static int dlclose_impl(struct dso *p)
return -1;
if (!p->by_dlopen) {
error("Library %s is not loaded by dlopen", p->name);
LD_LOGD("dlclose skip unload %{public}s because so isn't loaded by dlopen", p->name);
return -1;
}
/* dso is marked as RTLD_NODELETE library, do nothing here. */
if ((p->flags & DSO_FLAGS_NODELETE) != 0) {
LD_LOGD("dlclose skip unload %{public}s because flags is RTLD_NODELETE", p->name);
return 0;
}
if (--(p->nr_dlopen) > 0)
if (--(p->nr_dlopen) > 0) {
LD_LOGD("dlclose skip unload %{public}s because nr_dlopen=%{public}d > 0", p->name, p->nr_dlopen);
return 0;
}
if (p->parents_count > 0)
if (p->parents_count > 0) {
LD_LOGD("dlclose skip unload %{public}s because parents_count=%{public}d > 0", p->name, p->parents_count);
return 0;
}
trace_marker_reset();
trace_marker_begin(HITRACE_TAG_MUSL, "dlclose", p->name);
......@@ -3731,6 +3732,7 @@ static int dlclose_impl(struct dso *p)
}
if (p->deps != no_deps)
free(p->deps);
LD_LOGD("dlclose unloading %{public}s @%{public}p", p->name, p);
unmap_library(p);
if (p->parents) {
......@@ -4787,6 +4789,8 @@ static bool load_library_header(struct loadtask *task)
task->p = find_library_by_name(name, namespace, check_inherited);
if (task->p) {
task->isloaded = true;
LD_LOGD("find_library_by_name(name=%{public}s ns=%{public}s) already loaded by %{public}s in %{public}s namespace ",
name, namespace->ns_name, task->p->name, task->p->namespace->ns_name);
return true;
}
if (strlen(name) > NAME_MAX) {
......@@ -4853,6 +4857,8 @@ static bool load_library_header(struct loadtask *task)
close(task->fd);
task->fd = -1;
task->isloaded = true;
LD_LOGD("find_library_by_fstat(name=%{public}s ns=%{public}s) already loaded by %{public}s in %{public}s namespace ",
name, namespace->ns_name, task->p->name, task->p->namespace->ns_name);
return true;
}
......@@ -4920,6 +4926,7 @@ static bool load_library_header(struct loadtask *task)
static void task_load_library(struct loadtask *task, struct reserved_address_params *reserved_params)
{
LD_LOGD("load_library loading ns=%{public}s name=%{public}s by_dlopen=%{public}d", task->namespace->ns_name, task->p->name, runtime);
bool map = noload ? 0 : task_map_library(task, reserved_params);
close(task->fd);
task->fd = -1;
......@@ -5011,7 +5018,9 @@ static void preload_direct_deps(struct dso *p, ns_t *namespace, struct loadtasks
if (p->dynv[i] != DT_NEEDED) {
continue;
}
struct loadtask *task = create_loadtask(p->strings + p->dynv[i + 1], p, namespace, true);
const char* dtneed_name = p->strings + p->dynv[i + 1];
LD_LOGD("load_library %{public}s adding DT_NEEDED task %{public}s namespace(%{public}s)", p->name, dtneed_name, namespace->ns_name);
struct loadtask *task = create_loadtask(dtneed_name, p, namespace, true);
if (!task) {
LD_LOGE("Error loading dependencies %{public}s : create load task failed", p->name);
error("Error loading dependencies for %s : create load task failed", p->name);
......
porting/linux/user/ldso/ld_log.h
浏览文件 @ 5aa165b0
......@@ -37,9 +37,7 @@ hidden void ld_log_reset();
hidden bool is_dlclose_debug_enable();
#if ((LD_LOG_LEVEL & LD_LOG_ERROR) && (defined(OHOS_ENABLE_PARAMETER) || defined(ENABLE_MUSL_LOG)))
#define LD_LOGE(...) if (get_ld_log_enable()) { \
(void)HiLogAdapterPrint(MUSL_LOG_TYPE, LOG_ERROR, MUSL_LOG_DOMAIN, LD_LOG_TAG, __VA_ARGS__); \
}
#define LD_LOGE(...) (void)HiLogAdapterPrint(MUSL_LOG_TYPE, LOG_ERROR, MUSL_LOG_DOMAIN, LD_LOG_TAG, __VA_ARGS__);
#else
#define LD_LOGE(...)
#endif
......
porting/linux/user/src/thread/pthread_create.c
浏览文件 @ 5aa165b0
#define _GNU_SOURCE
#define ANON_STACK_NAME_SIZE 50
#include "musl_log.h"
#include "pthread_impl.h"
#include "stdio_impl.h"
#include "libc.h"
......@@ -336,7 +337,10 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att
pthread_attr_t attr = { 0 };
sigset_t set;
if (!libc.can_do_threads) return ENOSYS;
if (!libc.can_do_threads) {
MUSL_LOGE("pthread_create: can't do threads, err: %{public}s", strerror(errno));
return ENOSYS;
}
self = __pthread_self();
if (!libc.threaded) {
for (FILE *f=*__ofl_lock(); f; f=f->next)
......@@ -383,15 +387,22 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att
if (!tsd) {
if (guard) {
map = __mmap(0, size, PROT_NONE, MAP_PRIVATE|MAP_ANON, -1, 0);
if (map == MAP_FAILED) goto fail;
if (map == MAP_FAILED) {
MUSL_LOGE("pthread_create: mmap PROT_NONE failed, err:%{public}s", strerror(errno));
goto fail;
}
if (__mprotect(map+guard, size-guard, PROT_READ|PROT_WRITE)
&& errno != ENOSYS) {
MUSL_LOGE("pthread_create: mprotect failed, err:%{public}s", strerror(errno));
__munmap(map, size);
goto fail;
}
} else {
map = __mmap(0, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0);
if (map == MAP_FAILED) goto fail;
if (map == MAP_FAILED) {
MUSL_LOGE("pthread_create: mmap PROT_READ|PROT_WRITE failed, err:%{public}s", strerror(errno));
goto fail;
}
}
tsd = map + size - __pthread_tsd_size;
if (!stack) {
......@@ -476,6 +487,7 @@ int __pthread_create(pthread_t *restrict res, const pthread_attr_t *restrict att
if (ret < 0) {
if (map) __munmap(map, size);
MUSL_LOGE("pthread_create: ret:%{public}d, err:%{public}s", ret, strerror(errno));
return -ret;
}
......
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