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SDL_test: fix proc names on older libunwind

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Older libunwind does not have unw_get_proc_name_by_ip.
Instead, use unw_get_proc_name.

Reference: 4c00433b69
This commit is contained in:
Anonymous Maarten 2024-08-30 21:29:54 +02:00 committed by Anonymous Maarten
parent 9ca8a6e50b
commit 384afa378c
1 changed files with 19 additions and 2 deletions
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21
src/test/SDL_test_memory.c
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@ -23,6 +23,9 @@
#ifdef HAVE_LIBUNWIND_H
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#ifndef unw_get_proc_name_by_ip
#define SDLTEST_EARLY_PROCNAME
#endif
#endif
#ifdef SDL_PLATFORM_WIN32
@ -57,6 +60,9 @@ typedef struct SDL_tracked_allocation
size_t size;
Uint64 stack[MAXIMUM_TRACKED_STACK_DEPTH];
struct SDL_tracked_allocation *next;
#ifdef SDLTEST_EARLY_PROCNAME
char stack_names[MAXIMUM_TRACKED_STACK_DEPTH][256];
#endif
} SDL_tracked_allocation;
static SDLTest_Crc32Context s_crc32_context;
@ -144,10 +150,19 @@ static void SDL_TrackAllocation(void *mem, size_t size)
stack_index = 0;
while (unw_step(&cursor) > 0) {
unw_word_t pc;
#ifdef SDLTEST_EARLY_PROCNAME
unw_word_t offset;
char sym[236];
#endif
unw_get_reg(&cursor, UNW_REG_IP, &pc);
entry->stack[stack_index] = pc;
#ifdef SDLTEST_EARLY_PROCNAME
if (unw_get_proc_name(&cursor, sym, sizeof(sym), &offset) == 0) {
SDL_snprintf(entry->stack_names[stack_index], sizeof(entry->stack_names[stack_index]), "%s+0x%llx", sym, (unsigned long long)offset);
}
#endif
++stack_index;
if (stack_index == SDL_arraysize(entry->stack)) {
@ -368,9 +383,11 @@ void SDLTest_LogAllocations(void)
}
#ifdef HAVE_LIBUNWIND_H
{
#ifdef unw_get_proc_name_by_ip
unw_word_t offset = 0;
#ifdef SDLTEST_EARLY_PROCNAME
(void)SDL_snprintf(stack_entry_description, sizeof(stack_entry_description), "%s", entry->stack_names[stack_index]);
#else
char name[256] = "???";
unw_word_t offset = 0;
unw_get_proc_name_by_ip(unw_local_addr_space, entry->stack[stack_index], name, sizeof(name), &offset, NULL);
(void)SDL_snprintf(stack_entry_description, sizeof(stack_entry_description), "%s+0x%llx", name, (long long unsigned int)offset);
#endif