/* unwind-ia64.c -- utility routines to dump IA-64 unwind info for readelf.
- Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
- Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ Copyright (C) 2000-2016 Free Software Foundation, Inc.
-This file is part of GNU Binutils.
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+ This file is part of GNU Binutils.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "config.h"
#include "unwind-ia64.h"
#include <stdio.h>
#include <string.h>
#if __GNUC__ >= 2
/* Define BFD64 here, even if our default architecture is 32 bit ELF
as this will allow us to read in and parse 64bit and 32bit ELF files.
- Only do this if we belive that the compiler can support a 64 bit
+ Only do this if we believe that the compiler can support a 64 bit
data type. For now we only rely on GCC being able to do this. */
#define BFD64
#endif
static void
unw_print_abreg (char *cp, unsigned int abreg)
{
- static const char *special_reg[16] =
+ static const char * const special_reg[16] =
{
"pr", "psp", "@priunat", "rp", "ar.bsp", "ar.bspstore", "ar.rnat",
"ar.unat", "ar.fpsr", "ar.pfs", "ar.lc",
#define UNW_DEC_ABI(fmt, abi, context, arg) \
do \
{ \
- static const char *abiname[] = \
+ static const char * const abiname[] = \
{ \
"@svr4", "@hpux", "@nt" \
}; \
printf ("\t%s:spill_base(pspoff=0x10-0x%lx)\n", \
fmt, 4*(unsigned long)pspoff)
-#define UNW_DEC_SPILL_MASK(fmt, dp, arg) \
- do \
- { \
- static const char *spill_type = "-frb"; \
+#define UNW_DEC_SPILL_MASK(fmt, dp, arg, end) \
+ do \
+ { \
+ static const char *spill_type = "-frb"; \
unsigned const char *imaskp = dp; \
- unsigned char mask = 0; \
- bfd_vma insn = 0; \
- \
+ unsigned char mask = 0; \
+ bfd_vma insn = 0; \
+ \
+ /* PR 18420. */ \
+ if ((dp + (unw_rlen / 4)) > end) \
+ { \
+ printf ("\nERROR: unwind length too long (0x%lx > 0x%lx)\n\n",\
+ (long) (unw_rlen / 4), (long)(end - dp)); \
+ /* FIXME: Should we reset unw_rlen ? */ \
+ break; \
+ } \
printf ("\t%s:spill_mask(imask=[", fmt); \
for (insn = 0; insn < unw_rlen; ++insn) \
{ \
#define UNW_DEC_SPILL_SPREL(fmt, t, abreg, spoff, arg) \
do \
{ \
- char regname[10]; \
+ char regname[20]; \
\
unw_print_abreg (regname, abreg); \
printf ("\t%s:spill_sprel(reg=%s,t=%lu,spoff=0x%lx)\n", \
#define UNW_DEC_SPILL_PSPREL(fmt, t, abreg, pspoff, arg) \
do \
{ \
- char regname[10]; \
+ char regname[20]; \
\
unw_print_abreg (regname, abreg); \
printf ("\t%s:spill_psprel(reg=%s,t=%lu,pspoff=0x10-0x%lx)\n", \
#define UNW_DEC_RESTORE(fmt, t, abreg, arg) \
do \
{ \
- char regname[10]; \
+ char regname[20]; \
\
unw_print_abreg (regname, abreg); \
printf ("\t%s:restore(t=%lu,reg=%s)\n", \
#define UNW_DEC_SPILL_REG(fmt, t, abreg, x, ytreg, arg) \
do \
{ \
- char abregname[10], tregname[10]; \
+ char abregname[20], tregname[20]; \
\
unw_print_abreg (abregname, abreg); \
unw_print_xyreg (tregname, x, ytreg); \
* UNW_DEC_SPILL_SPREL_P(fmt,qp,t,abreg,pspoff,arg)
*/
-static unw_word unw_decode_uleb128 (const unsigned char **);
-static const unsigned char *unw_decode_x1
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_x2
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_x3
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_x4
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_r1
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_r2
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_r3
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_p1
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_p2_p5
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_p6
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_p7_p10
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_b1
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_b2
- (const unsigned char *, unsigned int, void *);
-static const unsigned char *unw_decode_b3_x4
- (const unsigned char *, unsigned int, void *);
-
static unw_word
unw_decode_uleb128 (const unsigned char **dpp)
{
}
static const unsigned char *
-unw_decode_r1 (const unsigned char *dp, unsigned int code, void *arg)
+unw_decode_r1 (const unsigned char *dp, unsigned int code, void *arg,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
int body = (code & 0x20) != 0;
unw_word rlen;
}
static const unsigned char *
-unw_decode_r2 (const unsigned char *dp, unsigned int code, void *arg)
+unw_decode_r2 (const unsigned char *dp, unsigned int code, void *arg,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unsigned char byte1, mask, grsave;
unw_word rlen;
}
static const unsigned char *
-unw_decode_r3 (const unsigned char *dp, unsigned int code, void *arg)
+unw_decode_r3 (const unsigned char *dp, unsigned int code, void *arg,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unw_word rlen;
static const unsigned char *
unw_decode_p1 (const unsigned char *dp, unsigned int code,
- void *arg ATTRIBUTE_UNUSED)
+ void *arg ATTRIBUTE_UNUSED,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unsigned char brmask = (code & 0x1f);
static const unsigned char *
unw_decode_p2_p5 (const unsigned char *dp, unsigned int code,
- void *arg ATTRIBUTE_UNUSED)
+ void *arg ATTRIBUTE_UNUSED,
+ const unsigned char * end)
{
if ((code & 0x10) == 0)
{
}
}
else if ((code & 0x7) == 0)
- UNW_DEC_SPILL_MASK ("P4", dp, arg);
+ UNW_DEC_SPILL_MASK ("P4", dp, arg, end);
else if ((code & 0x7) == 1)
{
unw_word grmask, frmask, byte1, byte2, byte3;
static const unsigned char *
unw_decode_p6 (const unsigned char *dp, unsigned int code,
- void *arg ATTRIBUTE_UNUSED)
+ void *arg ATTRIBUTE_UNUSED,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
int gregs = (code & 0x10) != 0;
unsigned char mask = (code & 0x0f);
}
static const unsigned char *
-unw_decode_p7_p10 (const unsigned char *dp, unsigned int code, void *arg)
+unw_decode_p7_p10 (const unsigned char *dp, unsigned int code, void *arg,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unsigned char r, byte1, byte2;
unw_word t, size;
static const unsigned char *
unw_decode_b1 (const unsigned char *dp, unsigned int code,
- void *arg ATTRIBUTE_UNUSED)
+ void *arg ATTRIBUTE_UNUSED,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unw_word label = (code & 0x1f);
static const unsigned char *
unw_decode_b2 (const unsigned char *dp, unsigned int code,
- void *arg ATTRIBUTE_UNUSED)
+ void *arg ATTRIBUTE_UNUSED,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unw_word t;
}
static const unsigned char *
-unw_decode_b3_x4 (const unsigned char *dp, unsigned int code, void *arg)
+unw_decode_b3_x4 (const unsigned char *dp, unsigned int code, void *arg,
+ const unsigned char * end ATTRIBUTE_UNUSED)
{
unw_word t, ecount, label;
}
typedef const unsigned char *(*unw_decoder)
- (const unsigned char *, unsigned int, void *);
+ (const unsigned char *, unsigned int, void *, const unsigned char *);
-static unw_decoder unw_decode_table[2][8] =
+static const unw_decoder unw_decode_table[2][8] =
{
/* prologue table: */
{
/* Decode one descriptor and return address of next descriptor. */
const unsigned char *
unw_decode (const unsigned char *dp, int inside_body,
- void *ptr_inside_body)
+ void *ptr_inside_body, const unsigned char * end)
{
unw_decoder decoder;
unsigned char code;
code = *dp++;
decoder = unw_decode_table[inside_body][code >> 5];
- return (*decoder) (dp, code, ptr_inside_body);
+ return (*decoder) (dp, code, ptr_inside_body, end);
}
projects / deliverable / binutils-gdb.git / blobdiff