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[no merge] call mono_pmip_u in the crash handler #83219

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[no merge] call mono_pmip_u in the crash handler #83219

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ae4ff45
call mono_pmip_u in the crash handler
lambdageek Mar 9, 2023
a8f7247
_Unwind_Backtrace?
lambdageek Mar 9, 2023
0720035
more _Unwind_Backtrace
lambdageek Mar 9, 2023
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2 changes: 1 addition & 1 deletion src/mono/mono/mini/mini-arm64.h
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Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@ typedef struct {

#endif

#if defined(TARGET_IOS) || defined(TARGET_WATCHOS)
#if defined(TARGET_IOS) || defined(TARGET_WATCHOS) || defined(__linux__)
#define MONO_ARCH_HAVE_UNWIND_BACKTRACE 1
#endif

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2 changes: 1 addition & 1 deletion src/mono/mono/mini/mini-exceptions.c
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Expand Up @@ -369,7 +369,7 @@ is_address_protected (MonoJitInfo *ji, MonoJitExceptionInfo *ei, gpointer ip)

#ifdef MONO_ARCH_HAVE_UNWIND_BACKTRACE

#if 0
#if 1
static gboolean show_native_addresses = TRUE;
#else
static gboolean show_native_addresses = FALSE;
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26 changes: 26 additions & 0 deletions src/mono/mono/mini/mini-posix.c
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Expand Up @@ -80,6 +80,10 @@
#include "jit-icalls.h"
#include <glib.h>

#ifdef HAVE_UNWIND_H
#include <unwind.h>
#endif

#ifdef HOST_DARWIN
#include <mach/mach.h>
#include <mach/mach_time.h>
Expand Down Expand Up @@ -774,6 +778,21 @@ fork_crash_safe (void)
}
#endif

#ifdef MONO_ARCH_HAVE_UNWIND_BACKTRACE
static _Unwind_Reason_Code
dump_unwind_backtrace (struct _Unwind_Context *frame_ctx, G_GNUC_UNUSED void *state)
{
uintptr_t ip = _Unwind_GetIP (frame_ctx);

g_async_safe_printf ("\t Frame: %p\n\t\t");
mono_print_method_from_ip ((void*)ip);
g_async_safe_printf ("\n");

return _URC_NO_REASON;
}

#endif

static void
dump_native_stacktrace (const char *signal, MonoContext *mctx)
{
Expand All @@ -789,6 +808,13 @@ dump_native_stacktrace (const char *signal, MonoContext *mctx)

}

#ifdef MONO_ARCH_HAVE_UNWIND_BACKTRACE
g_async_safe_printf ("\n=================================================================\n");
g_async_safe_printf (" _Unwind_Backtrace stacktrace:\n");
g_async_safe_printf ("=================================================================\n");
_Unwind_Backtrace (dump_unwind_backtrace, NULL);
#endif

#ifdef HAVE_BACKTRACE_SYMBOLS

void *array [256];
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