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Hook up backtraces on android.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4251 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2023-03-29 22:25:17 +00:00
parent e86b9dae48
commit 20b0337e0a
1 changed files with 34 additions and 6 deletions
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40
src/util.js.c
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@ -14,11 +14,11 @@
#include <string.h> #include <string.h>
#ifndef _WIN32 #if defined(__ANDROID__)
#ifndef __ANDROID__ #include <unwind.h>
#elif !defined(_WIN32)
#include <execinfo.h> #include <execinfo.h>
#endif #endif
#endif
static JSValue _util_utf8_encode(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv) static JSValue _util_utf8_encode(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
{ {
@ -469,13 +469,41 @@ const char* tf_util_backtrace_string()
return tf_util_backtrace_to_string(buffer, count); return tf_util_backtrace_to_string(buffer, count);
} }
#if defined(__ANDROID__)
typedef struct _android_backtrace_t
{
void** current;
void** end;
} android_backtrace_t;
static _Unwind_Reason_Code _android_unwind_callback(struct _Unwind_Context* context, void* arg)
{
android_backtrace_t* state = arg;
uintptr_t pc = _Unwind_GetIP(context);
if (pc)
{
if (state->current == state->end)
{
return _URC_END_OF_STACK;
}
else
{
*state->current++ = (void*)pc;
}
}
return _URC_NO_REASON;
}
#endif
int tf_util_backtrace(void** buffer, int count) int tf_util_backtrace(void** buffer, int count)
{ {
#ifdef _WIN32 #ifdef _WIN32
return CaptureStackBackTrace(0, count, buffer, NULL); return CaptureStackBackTrace(0, count, buffer, NULL);
#elif !defined(__ANDROID__) #elif defined(__ANDROID__)
return backtrace(buffer, count); android_backtrace_t state = { .current = buffer, .end = buffer + count };
_Unwind_Backtrace(_android_unwind_callback, &state);
return state.current - buffer;
#else #else
return 0; return backtrace(buffer, count);
#endif #endif
} }