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SDL_test: print no procname when SDL_TRACKMEM_SYMBOL_NAMES is false

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On ci, by default this variable is set to a false value.
By adding [sdl-ci-trackmem] to the commit message,
it will become true.
This commit is contained in:
Anonymous Maarten
2024-08-30 23:29:09 +02:00
committed by Anonymous Maarten
parent 36b84e7e00
commit ea0ab2647a
2 changed files with 43 additions and 16 deletions
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32
src/test/SDL_test_memory.c
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@@ -24,7 +24,8 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#ifndef unw_get_proc_name_by_ip
#define SDLTEST_EARLY_PROCNAME
#define SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
static SDL_bool s_unwind_symbol_names = SDL_TRUE;
#endif
#endif
@@ -60,7 +61,7 @@ typedef struct SDL_tracked_allocation
size_t size;
Uint64 stack[MAXIMUM_TRACKED_STACK_DEPTH];
struct SDL_tracked_allocation *next;
#ifdef SDLTEST_EARLY_PROCNAME
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
char stack_names[MAXIMUM_TRACKED_STACK_DEPTH][256];
#endif
} SDL_tracked_allocation;
@@ -150,7 +151,7 @@ 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
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
unw_word_t offset;
char sym[236];
#endif
@@ -158,8 +159,8 @@ static void SDL_TrackAllocation(void *mem, size_t size)
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) {
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
if (s_unwind_symbol_names && 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
@@ -295,7 +296,20 @@ void SDLTest_TrackAllocations(void)
if (s_previous_allocations != 0) {
SDL_Log("SDLTest_TrackAllocations(): There are %d previous allocations, disabling free() validation", s_previous_allocations);
}
#ifdef SDL_PLATFORM_WIN32
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
do {
/* Don't use SDL_GetHint: SDL_malloc is off limits. */
const char *env_trackmem = SDL_getenv("SDL_TRACKMEM_SYMBOL_NAMES");
if (env_trackmem) {
if (SDL_strcasecmp(env_trackmem, "1") == 0 || SDL_strcasecmp(env_trackmem, "yes") == 0 || SDL_strcasecmp(env_trackmem, "true") == 0) {
s_unwind_symbol_names = SDL_TRUE;
} else if (SDL_strcasecmp(env_trackmem, "0") == 0 || SDL_strcasecmp(env_trackmem, "no") == 0 || SDL_strcasecmp(env_trackmem, "false") == 0) {
s_unwind_symbol_names = SDL_FALSE;
}
}
} while (0);
#elif defined(SDL_PLATFORM_WIN32)
do {
dyn_dbghelp.module = SDL_LoadObject("dbghelp.dll");
if (!dyn_dbghelp.module) {
@@ -383,8 +397,10 @@ void SDLTest_LogAllocations(void)
}
#ifdef HAVE_LIBUNWIND_H
{
#ifdef SDLTEST_EARLY_PROCNAME
(void)SDL_snprintf(stack_entry_description, sizeof(stack_entry_description), "%s", entry->stack_names[stack_index]);
#ifdef SDLTEST_UNWIND_NO_PROC_NAME_BY_IP
if (s_unwind_symbol_names) {
(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;