mirror of https://github.com/libsdl-org/SDL
SDL_test: fix proc names on older libunwind
Older libunwind does not have unw_get_proc_name_by_ip.
Instead, use unw_get_proc_name.
Reference: 4c00433b69
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@ -23,6 +23,9 @@
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#ifdef HAVE_LIBUNWIND_H
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#define UNW_LOCAL_ONLY
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#include <libunwind.h>
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#ifndef unw_get_proc_name_by_ip
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#define SDLTEST_EARLY_PROCNAME
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#endif
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#endif
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#ifdef SDL_PLATFORM_WIN32
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@ -57,6 +60,9 @@ typedef struct SDL_tracked_allocation
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size_t size;
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Uint64 stack[MAXIMUM_TRACKED_STACK_DEPTH];
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struct SDL_tracked_allocation *next;
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#ifdef SDLTEST_EARLY_PROCNAME
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char stack_names[MAXIMUM_TRACKED_STACK_DEPTH][256];
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#endif
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} SDL_tracked_allocation;
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static SDLTest_Crc32Context s_crc32_context;
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@ -144,10 +150,19 @@ static void SDL_TrackAllocation(void *mem, size_t size)
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stack_index = 0;
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while (unw_step(&cursor) > 0) {
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unw_word_t pc;
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#ifdef SDLTEST_EARLY_PROCNAME
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unw_word_t offset;
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char sym[236];
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#endif
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unw_get_reg(&cursor, UNW_REG_IP, &pc);
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entry->stack[stack_index] = pc;
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#ifdef SDLTEST_EARLY_PROCNAME
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if (unw_get_proc_name(&cursor, sym, sizeof(sym), &offset) == 0) {
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SDL_snprintf(entry->stack_names[stack_index], sizeof(entry->stack_names[stack_index]), "%s+0x%llx", sym, (unsigned long long)offset);
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}
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#endif
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++stack_index;
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if (stack_index == SDL_arraysize(entry->stack)) {
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@ -368,9 +383,11 @@ void SDLTest_LogAllocations(void)
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}
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#ifdef HAVE_LIBUNWIND_H
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{
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#ifdef unw_get_proc_name_by_ip
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unw_word_t offset = 0;
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#ifdef SDLTEST_EARLY_PROCNAME
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(void)SDL_snprintf(stack_entry_description, sizeof(stack_entry_description), "%s", entry->stack_names[stack_index]);
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#else
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char name[256] = "???";
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unw_word_t offset = 0;
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unw_get_proc_name_by_ip(unw_local_addr_space, entry->stack[stack_index], name, sizeof(name), &offset, NULL);
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(void)SDL_snprintf(stack_entry_description, sizeof(stack_entry_description), "%s+0x%llx", name, (long long unsigned int)offset);
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#endif
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