9761385dbdPR-URL: https://github.com/nodejs/node/pull/64040 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: René <contact.9a5d6388@renegade334.me.uk> Reviewed-By: Paolo Insogna <paolo@cowtech.it>
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* Area: ffi_call
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Purpose: Test longjmp over ffi_call frames */
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/* Test code adapted from Lars Kanis' bug report:
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https://github.com/libffi/libffi/issues/905 */
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/* { dg-do run } */
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#include "ffitest.h"
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#include "ffi_common.h"
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#include <setjmp.h>
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static jmp_buf buf;
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static void ABI_ATTR lev2(const char *str) {
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printf("lev2 %s\n", str);
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// jumps back to where setjmp was called - making setjmp now return 1
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longjmp(buf, 1);
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}
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static void ABI_ATTR lev1(const char *str) {
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lev2(str);
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// will not be reached
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printf("lev1 %s\n", str);
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}
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int main()
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{
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ffi_cif cif;
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ffi_type *args[1];
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void *values[1];
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char *s;
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ffi_arg rc;
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/* Initialize the argument info vectors */
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args[0] = &ffi_type_pointer;
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values[0] = &s;
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/* Initialize the cif */
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if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_sint, args) == FFI_OK)
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{
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s = "direct call";
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if (!setjmp(buf)){
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// works on x64 and arm64
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lev1(s);
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} else {
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printf("back to main\n");
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}
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s = "through libffi";
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if (!setjmp(buf)){
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// works on x64 but segfaults on arm64
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ffi_call(&cif, (void (*)(void))lev1, &rc, values);
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} else {
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printf("back to main\n");
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}
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}
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return 0;
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}
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