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Diffstat (limited to 'sysdeps/powerpc/powerpc64/backtrace.c')
-rw-r--r--sysdeps/powerpc/powerpc64/backtrace.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c
index edd53bb619..c0c4b48262 100644
--- a/sysdeps/powerpc/powerpc64/backtrace.c
+++ b/sysdeps/powerpc/powerpc64/backtrace.c
@@ -1,5 +1,5 @@
/* Return backtrace of current program state.
- Copyright (C) 1998-2016 Free Software Foundation, Inc.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -16,10 +16,12 @@
License along with the GNU C Library; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
-#include <execinfo.h>
#include <stddef.h>
#include <string.h>
#include <signal.h>
+#include <stdint.h>
+
+#include <execinfo.h>
#include <libc-vdso.h>
/* This is the stack layout we see with every stack frame.
@@ -37,7 +39,7 @@
struct layout
{
struct layout *next;
- long condition_register;
+ long int condition_register;
void *return_address;
};
@@ -47,16 +49,16 @@ struct layout
dummy frame to make it look like it has a caller. */
struct signal_frame_64 {
#define SIGNAL_FRAMESIZE 128
- char dummy[SIGNAL_FRAMESIZE];
- struct ucontext uc;
+ char dummy[SIGNAL_FRAMESIZE];
+ ucontext_t uc;
/* We don't care about the rest, since the IP value is at 'uc' field. */
};
static inline int
-is_sigtramp_address (unsigned long nip)
+is_sigtramp_address (void *nip)
{
#ifdef SHARED
- if (nip == (unsigned long)__vdso_sigtramp_rt64)
+ if (nip == VDSO_SYMBOL (sigtramp_rt64))
return 1;
#endif
return 0;
@@ -82,10 +84,11 @@ __backtrace (void **array, int size)
/* Check if the symbol is the signal trampoline and get the interrupted
* symbol address from the trampoline saved area. */
- if (is_sigtramp_address ((unsigned long)current->return_address))
+ if (is_sigtramp_address (current->return_address))
{
struct signal_frame_64 *sigframe = (struct signal_frame_64*) current;
- array[++count] = (void*)sigframe->uc.uc_mcontext.gp_regs[PT_NIP];
+ array[++count] = (void*) sigframe->uc.uc_mcontext.gp_regs[PT_NIP];
+ current = (void*) sigframe->uc.uc_mcontext.gp_regs[PT_R1];
}
}