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