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struct _Unwind_Context;
typedef enum {
_URC_OK = 0,
_URC_END_OF_STACK = 5
}_Unwind_Reason_Code;
struct backtrace_ctx {
struct BacktraceCtx {
void **backtrace;
uint8_t i;
};
#ifdef HAVE__UNWIND_BACKTRACE
extern _Unwind_Reason_Code _Unwind_Backtrace(
_Unwind_Reason_Code (*)(struct _Unwind_Context *, void *), void *);
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return string;
}
#endif
#ifdef HAVE__UNWIND_BACKTRACE
static _Unwind_Reason_Code
backtrace_callback(struct _Unwind_Context *ctx, void *data)
backtraceCallback(struct _Unwind_Context *ctx, void *data)
{
struct backtrace_ctx *bt = data;
struct BacktraceCtx *bt = data;
if (bt->i < OF_BACKTRACE_SIZE) {
if (bt->i < OFBacktraceSize) {
# ifndef HAVE_ARM_EHABI_EXCEPTIONS
bt->backtrace[bt->i++] = (void *)_Unwind_GetIP(ctx);
# else
uintptr_t ip;
_Unwind_VRS_Get(ctx, 0, 15, 0, &ip);
bt->backtrace[bt->i++] = (void *)(ip & ~1);
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{
return [[[self alloc] init] autorelease];
}
#ifdef HAVE__UNWIND_BACKTRACE
- (instancetype)init
{
struct backtrace_ctx ctx;
struct BacktraceCtx ctx;
self = [super init];
ctx.backtrace = _backtrace;
ctx.i = 0;
_Unwind_Backtrace(backtrace_callback, &ctx);
_Unwind_Backtrace(backtraceCallback, &ctx);
return self;
}
#endif
- (OFString *)description
{
return [OFString stringWithFormat:
@"An exception of type %@ occurred!", self.class];
}
- (OFArray OF_GENERIC(OFString *) *)backtrace
{
#ifdef HAVE__UNWIND_BACKTRACE
OFMutableArray OF_GENERIC(OFString *) *backtrace =
[OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (uint8_t i = 0;
for (uint8_t i = 0; i < OFBacktraceSize && _backtrace[i] != NULL; i++) {
i < OF_BACKTRACE_SIZE && _backtrace[i] != NULL; i++) {
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