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longjmp(3) t_sigstack: Print which entry failed. 

PR lib/57946
This commit is contained in:
riastradh 2024-02-19 12:41:19 +00:00
parent 3026ea4883
commit 2bb6194384
1 changed files with 8 additions and 5 deletions
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13
tests/lib/libc/setjmp/t_sigstack.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_sigstack.c,v 1.3 2024/02/19 12:29:48 riastradh Exp $ */
/* $NetBSD: t_sigstack.c,v 1.4 2024/02/19 12:41:19 riastradh Exp $ */
/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_sigstack.c,v 1.3 2024/02/19 12:29:48 riastradh Exp $");
__RCSID("$NetBSD: t_sigstack.c,v 1.4 2024/02/19 12:41:19 riastradh Exp $");
#include <setjmp.h>
#include <signal.h>
@ -56,14 +56,16 @@ on_sigusr1(int signo, siginfo_t *si, void *ctx)
* signal stack.
*/
ATF_REQUIRE_MSG(fp >= ss.ss_sp,
"sigaltstack failed to take effect --"
"sigaltstack failed to take effect on entry %u --"
" signal handler's frame pointer %p doesn't lie in sigaltstack"
" [%p, %p), size 0x%zx",
nentries,
fp, ss.ss_sp, (char *)ss.ss_sp + ss.ss_size, ss.ss_size);
ATF_REQUIRE_MSG(fp < (void *)((char *)ss.ss_sp + ss.ss_size),
"sigaltstack failed to take effect --"
"sigaltstack failed to take effect on entry %u --"
" signal handler's frame pointer %p doesn't lie in sigaltstack"
" [%p, %p), size 0x%zx",
nentries,
fp, ss.ss_sp, (char *)ss.ss_sp + ss.ss_size, ss.ss_size);
/*
@ -84,9 +86,10 @@ on_sigusr1(int signo, siginfo_t *si, void *ctx)
#endif
ATF_REQUIRE_MSG((sp < ss.ss_sp ||
sp > (void *)((char *)ss.ss_sp + ss.ss_size)),
"%s failed to restore stack before allowing signal --"
"%s failed to restore stack before allowing signal on entry %u--"
" interrupted stack pointer %p lies in sigaltstack"
" [%p, %p), size 0x%zx",
nentries,
bailname, sp, ss.ss_sp, (char *)ss.ss_sp + ss.ss_size, ss.ss_size);
/*