50 lines
1.2 KiB
Diff
50 lines
1.2 KiB
Diff
|
--- firmware/stub/vboot_api_stub_sf.c.orig
|
||
|
|
+++ firmware/stub/vboot_api_stub_sf.c
|
||
|
|
@@ -5,7 +5,9 @@
|
||
|
|
* Stub implementations of firmware-provided API functions.
|
||
|
|
*/
|
||
|
|
|
||
|
|
+#if defined(__GLIBC__)
|
||
|
|
#include <execinfo.h>
|
||
|
|
+#endif
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#define _STUB_IMPLEMENTATION_
|
||
|
|
@@ -34,11 +36,13 @@ static struct alloc_node *alloc_head;
|
||
|
|
|
||
|
|
static void print_stacktrace(void)
|
||
|
|
{
|
||
|
|
+#if defined(__GLIBC__)
|
||
|
|
void *buffer[MAX_STACK_LEVELS];
|
||
|
|
int levels = backtrace(buffer, MAX_STACK_LEVELS);
|
||
|
|
|
||
|
|
// print to stderr (fd = 2), and remove this function from the trace
|
||
|
|
backtrace_symbols_fd(buffer + 1, levels - 1, 2);
|
||
|
|
+#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void *VbExMalloc(size_t size)
|
||
|
|
@@ -57,7 +61,11 @@ void *VbExMalloc(size_t size)
|
||
|
|
node->next = alloc_head;
|
||
|
|
node->ptr = p;
|
||
|
|
node->size = size;
|
||
|
|
+#if defined(__GLIBC__)
|
||
|
|
node->bt_levels = backtrace(node->bt_buffer, MAX_STACK_LEVELS);
|
||
|
|
+#else
|
||
|
|
+ node->bt_levels = 0;
|
||
|
|
+#endif
|
||
|
|
alloc_head = node;
|
||
|
|
|
||
|
|
return p;
|
||
|
|
@@ -118,8 +126,10 @@ int vboot_api_stub_check_memory(void)
|
||
|
|
next = node->next;
|
||
|
|
fprintf(stderr, "\nptr=%p, size=%zd\n", node->ptr, node->size);
|
||
|
|
fflush(stderr);
|
||
|
|
+#if defined(__GLIBC__)
|
||
|
|
backtrace_symbols_fd(node->bt_buffer + 1, node->bt_levels - 1,
|
||
|
|
2);
|
||
|
|
+#endif
|
||
|
|
free(node);
|
||
|
|
}
|
||
|
|
|