mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-11-10 19:08:21 +01:00
Initial revision
This commit is contained in:
hp.com!davidm
parent
f789a1e1d1
commit
197c9d517b
5 changed files with 0 additions and 255 deletions
|
|
@ -1,32 +0,0 @@
|
||||||
/* libunwind - a platform-independent unwind library
|
|
||||||
Copyright (C) 2004 Hewlett-Packard Co
|
|
||||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
||||||
|
|
||||||
This file is part of libunwind.
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining
|
|
||||||
a copy of this software and associated documentation files (the
|
|
||||||
"Software"), to deal in the Software without restriction, including
|
|
||||||
without limitation the rights to use, copy, modify, merge, publish,
|
|
||||||
distribute, sublicense, and/or sell copies of the Software, and to
|
|
||||||
permit persons to whom the Software is furnished to do so, subject to
|
|
||||||
the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be
|
|
||||||
included in all copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
||||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
||||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
||||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
||||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
||||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
||||||
|
|
||||||
/* Use glibc's jump-buffer indices; NPTL peeks at SP and BSP: */
|
|
||||||
|
|
||||||
#define JB_SP 0
|
|
||||||
#define JB_RP 8
|
|
||||||
#define JB_BSP 17
|
|
||||||
#define JB_MASK_SAVED 70
|
|
||||||
#define JB_MASK 71
|
|
||||||
|
|
@ -1,31 +0,0 @@
|
||||||
/* libunwind - a platform-independent unwind library
|
|
||||||
Copyright (C) 2004 Hewlett-Packard Co
|
|
||||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
||||||
|
|
||||||
This file is part of libunwind.
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining
|
|
||||||
a copy of this software and associated documentation files (the
|
|
||||||
"Software"), to deal in the Software without restriction, including
|
|
||||||
without limitation the rights to use, copy, modify, merge, publish,
|
|
||||||
distribute, sublicense, and/or sell copies of the Software, and to
|
|
||||||
permit persons to whom the Software is furnished to do so, subject to
|
|
||||||
the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be
|
|
||||||
included in all copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
||||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
||||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
||||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
||||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
||||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
||||||
|
|
||||||
/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
|
|
||||||
|
|
||||||
#define JB_SP 4
|
|
||||||
#define JB_RP 5
|
|
||||||
#define JB_MASK_SAVED 6
|
|
||||||
#define JB_MASK 7
|
|
||||||
|
|
@ -1,31 +0,0 @@
|
||||||
/* libunwind - a platform-independent unwind library
|
|
||||||
Copyright (C) 2004 Hewlett-Packard Co
|
|
||||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
||||||
|
|
||||||
This file is part of libunwind.
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining
|
|
||||||
a copy of this software and associated documentation files (the
|
|
||||||
"Software"), to deal in the Software without restriction, including
|
|
||||||
without limitation the rights to use, copy, modify, merge, publish,
|
|
||||||
distribute, sublicense, and/or sell copies of the Software, and to
|
|
||||||
permit persons to whom the Software is furnished to do so, subject to
|
|
||||||
the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be
|
|
||||||
included in all copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
||||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
||||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
||||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
||||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
||||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
||||||
|
|
||||||
/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
|
|
||||||
|
|
||||||
#define JB_SP 6
|
|
||||||
#define JB_RP 7
|
|
||||||
#define JB_MASK_SAVED 8
|
|
||||||
#define JB_MASK 9
|
|
||||||
|
|
@ -1,38 +0,0 @@
|
||||||
/* libunwind - a platform-independent unwind library
|
|
||||||
Copyright (C) 2004 Hewlett-Packard Co
|
|
||||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
||||||
|
|
||||||
This file is part of libunwind.
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining
|
|
||||||
a copy of this software and associated documentation files (the
|
|
||||||
"Software"), to deal in the Software without restriction, including
|
|
||||||
without limitation the rights to use, copy, modify, merge, publish,
|
|
||||||
distribute, sublicense, and/or sell copies of the Software, and to
|
|
||||||
permit persons to whom the Software is furnished to do so, subject to
|
|
||||||
the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be
|
|
||||||
included in all copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
||||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
||||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
||||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
||||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
||||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
||||||
|
|
||||||
.global _UI_longjmp_cont
|
|
||||||
|
|
||||||
.align 32
|
|
||||||
.proc longjmp_continuation
|
|
||||||
longjmp_continuation:
|
|
||||||
_UI_longjmp_cont: // non-function label for {sig,}longjmp.c
|
|
||||||
.prologue
|
|
||||||
.save rp, r15
|
|
||||||
.body
|
|
||||||
mov rp = r15
|
|
||||||
mov r8 = r16
|
|
||||||
br.sptk.many rp
|
|
||||||
.endp longjmp_continuation
|
|
||||||
|
|
@ -1,123 +0,0 @@
|
||||||
/* libunwind - a platform-independent unwind library
|
|
||||||
Copyright (C) 2004 Hewlett-Packard Co
|
|
||||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
|
||||||
|
|
||||||
Permission is hereby granted, free of charge, to any person obtaining
|
|
||||||
a copy of this software and associated documentation files (the
|
|
||||||
"Software"), to deal in the Software without restriction, including
|
|
||||||
without limitation the rights to use, copy, modify, merge, publish,
|
|
||||||
distribute, sublicense, and/or sell copies of the Software, and to
|
|
||||||
permit persons to whom the Software is furnished to do so, subject to
|
|
||||||
the following conditions:
|
|
||||||
|
|
||||||
The above copyright notice and this permission notice shall be
|
|
||||||
included in all copies or substantial portions of the Software.
|
|
||||||
|
|
||||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
||||||
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
||||||
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
||||||
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
||||||
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
||||||
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
||||||
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
||||||
|
|
||||||
/* Test to verify that we can siglongjmp() into a frame whose register
|
|
||||||
window is not backed by valid memory. */
|
|
||||||
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdint.h>
|
|
||||||
#include <setjmp.h>
|
|
||||||
#include <signal.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <unistd.h>
|
|
||||||
|
|
||||||
#include <sys/mman.h>
|
|
||||||
|
|
||||||
static sigjmp_buf env;
|
|
||||||
static int return_level;
|
|
||||||
static uintptr_t return_bsp;
|
|
||||||
static int verbose;
|
|
||||||
|
|
||||||
static void
|
|
||||||
sighandler (int signal, void *siginfo, void *sigcontext)
|
|
||||||
{
|
|
||||||
ucontext_t *uc = sigcontext;
|
|
||||||
int local = 0;
|
|
||||||
|
|
||||||
if (verbose)
|
|
||||||
printf ("got signal, stack at %p, saved bsp=0x%lx\n",
|
|
||||||
&local, uc->uc_mcontext.sc_ar_bsp);
|
|
||||||
siglongjmp (env, 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void
|
|
||||||
doit (int n)
|
|
||||||
{
|
|
||||||
uintptr_t guard_page_addr, bsp = (uintptr_t) __builtin_ia64_bsp ();
|
|
||||||
|
|
||||||
if (n == 0)
|
|
||||||
{
|
|
||||||
size_t page_size = getpagesize ();
|
|
||||||
|
|
||||||
guard_page_addr = (bsp + page_size - 1) & -page_size;
|
|
||||||
if (verbose)
|
|
||||||
printf ("guard_page_addr = 0x%lx\n", (unsigned long) guard_page_addr);
|
|
||||||
if (mmap ((void *) guard_page_addr, page_size, PROT_NONE,
|
|
||||||
MAP_SHARED | MAP_ANONYMOUS, -1, 0) != (void *) guard_page_addr)
|
|
||||||
{
|
|
||||||
perror ("mmap");
|
|
||||||
exit (EXIT_FAILURE);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (sigsetjmp (env, 1))
|
|
||||||
{
|
|
||||||
return_level = n;
|
|
||||||
return_bsp = bsp;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
doit (n + 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
main (int argc, char **argv)
|
|
||||||
{
|
|
||||||
struct sigaction sa;
|
|
||||||
stack_t ss;
|
|
||||||
|
|
||||||
if (argc > 1)
|
|
||||||
verbose = 1;
|
|
||||||
|
|
||||||
ss.ss_sp = malloc (2 * SIGSTKSZ);
|
|
||||||
if (ss.ss_sp == NULL)
|
|
||||||
{
|
|
||||||
puts ("failed to allocate alternate stack");
|
|
||||||
return EXIT_FAILURE;
|
|
||||||
}
|
|
||||||
ss.ss_flags = 0;
|
|
||||||
ss.ss_size = 2 * SIGSTKSZ;
|
|
||||||
if (sigaltstack (&ss, NULL) < 0)
|
|
||||||
{
|
|
||||||
printf ("sigaltstack failed %m\n");
|
|
||||||
return EXIT_FAILURE;
|
|
||||||
}
|
|
||||||
|
|
||||||
sa.sa_handler = (void (*) (int)) sighandler;
|
|
||||||
sigemptyset (&sa.sa_mask);
|
|
||||||
sa.sa_flags = SA_SIGINFO | SA_ONSTACK;
|
|
||||||
if (sigaction (SIGSEGV, &sa, NULL) < 0)
|
|
||||||
{
|
|
||||||
printf ("sigaction failed: %m\n");
|
|
||||||
exit (1);
|
|
||||||
}
|
|
||||||
|
|
||||||
doit (0);
|
|
||||||
|
|
||||||
if (verbose)
|
|
||||||
{
|
|
||||||
printf ("sigsetjmp returned at level %d bsp=0x%lx\n",
|
|
||||||
return_level, return_bsp);
|
|
||||||
puts ("Test succeeded!");
|
|
||||||
}
|
|
||||||
return EXIT_SUCCESS;
|
|
||||||
}
|
|
||||||
Loading…
Reference in a new issue