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-rw-r--r--gdb/rs6000-nat.c398
1 files changed, 205 insertions, 193 deletions
diff --git a/gdb/rs6000-nat.c b/gdb/rs6000-nat.c
index 78f5a6b..b0a0021 100644
--- a/gdb/rs6000-nat.c
+++ b/gdb/rs6000-nat.c
@@ -1,22 +1,23 @@
/* IBM RS/6000 native-dependent code for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 1992, 1994, 1995, 1996, 1997, 1998
- Free Software Foundation, Inc.
+ Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-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 of the License, or
-(at your option) any later version.
+ 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 of the License, or
+ (at your option) any later version.
-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 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
@@ -25,7 +26,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "xcoffsolib.h"
#include "symfile.h"
#include "objfiles.h"
-#include "libbfd.h" /* For bfd_cache_lookup (FIXME) */
+#include "libbfd.h" /* For bfd_cache_lookup (FIXME) */
#include "bfd.h"
#include "gdb-stabs.h"
@@ -47,7 +48,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
extern int errno;
-extern struct vmap * map_vmap PARAMS ((bfd *bf, bfd *arch));
+extern struct vmap *map_vmap PARAMS ((bfd * bf, bfd * arch));
extern struct target_ops exec_ops;
@@ -58,7 +59,7 @@ static void
vmap_ldinfo PARAMS ((struct ld_info *));
static struct vmap *
-add_vmap PARAMS ((struct ld_info *));
+ add_vmap PARAMS ((struct ld_info *));
static int
objfile_symbol_add PARAMS ((char *));
@@ -77,70 +78,75 @@ fixup_breakpoints PARAMS ((CORE_ADDR low, CORE_ADDR high, CORE_ADDR delta));
/* Conversion from gdb-to-system special purpose register numbers.. */
-static int special_regs[] = {
- IAR, /* PC_REGNUM */
- MSR, /* PS_REGNUM */
- CR, /* CR_REGNUM */
- LR, /* LR_REGNUM */
- CTR, /* CTR_REGNUM */
+static int special_regs[] =
+{
+ IAR, /* PC_REGNUM */
+ MSR, /* PS_REGNUM */
+ CR, /* CR_REGNUM */
+ LR, /* LR_REGNUM */
+ CTR, /* CTR_REGNUM */
XER, /* XER_REGNUM */
- MQ /* MQ_REGNUM */
+ MQ /* MQ_REGNUM */
};
void
fetch_inferior_registers (regno)
- int regno;
+ int regno;
{
int ii;
- if (regno < 0) { /* for all registers */
+ if (regno < 0)
+ { /* for all registers */
- /* read 32 general purpose registers. */
+ /* read 32 general purpose registers. */
- for (ii=0; ii < 32; ++ii)
- *(int*)&registers[REGISTER_BYTE (ii)] =
- ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) ii, 0, 0);
+ for (ii = 0; ii < 32; ++ii)
+ *(int *) &registers[REGISTER_BYTE (ii)] =
+ ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) ii, 0, 0);
- /* read general purpose floating point registers. */
+ /* read general purpose floating point registers. */
- for (ii=0; ii < 32; ++ii)
- ptrace (PT_READ_FPR, inferior_pid,
- (PTRACE_ARG3_TYPE) &registers [REGISTER_BYTE (FP0_REGNUM+ii)],
- FPR0+ii, 0);
+ for (ii = 0; ii < 32; ++ii)
+ ptrace (PT_READ_FPR, inferior_pid,
+ (PTRACE_ARG3_TYPE) & registers[REGISTER_BYTE (FP0_REGNUM + ii)],
+ FPR0 + ii, 0);
- /* read special registers. */
- for (ii=0; ii <= LAST_UISA_SP_REGNUM-FIRST_UISA_SP_REGNUM; ++ii)
- *(int*)&registers[REGISTER_BYTE (FIRST_UISA_SP_REGNUM+ii)] =
- ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) special_regs[ii],
- 0, 0);
+ /* read special registers. */
+ for (ii = 0; ii <= LAST_UISA_SP_REGNUM - FIRST_UISA_SP_REGNUM; ++ii)
+ *(int *) &registers[REGISTER_BYTE (FIRST_UISA_SP_REGNUM + ii)] =
+ ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) special_regs[ii],
+ 0, 0);
- registers_fetched ();
- return;
- }
+ registers_fetched ();
+ return;
+ }
/* else an individual register is addressed. */
- else if (regno < FP0_REGNUM) { /* a GPR */
- *(int*)&registers[REGISTER_BYTE (regno)] =
+ else if (regno < FP0_REGNUM)
+ { /* a GPR */
+ *(int *) &registers[REGISTER_BYTE (regno)] =
ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) regno, 0, 0);
- }
- else if (regno <= FPLAST_REGNUM) { /* a FPR */
- ptrace (PT_READ_FPR, inferior_pid,
- (PTRACE_ARG3_TYPE) &registers [REGISTER_BYTE (regno)],
- (regno-FP0_REGNUM+FPR0), 0);
- }
- else if (regno <= LAST_UISA_SP_REGNUM) { /* a special register */
- *(int*)&registers[REGISTER_BYTE (regno)] =
+ }
+ else if (regno <= FPLAST_REGNUM)
+ { /* a FPR */
+ ptrace (PT_READ_FPR, inferior_pid,
+ (PTRACE_ARG3_TYPE) & registers[REGISTER_BYTE (regno)],
+ (regno - FP0_REGNUM + FPR0), 0);
+ }
+ else if (regno <= LAST_UISA_SP_REGNUM)
+ { /* a special register */
+ *(int *) &registers[REGISTER_BYTE (regno)] =
ptrace (PT_READ_GPR, inferior_pid,
- (PTRACE_ARG3_TYPE) special_regs[regno-FIRST_UISA_SP_REGNUM],
+ (PTRACE_ARG3_TYPE) special_regs[regno - FIRST_UISA_SP_REGNUM],
0, 0);
- }
+ }
else
- fprintf_unfiltered (gdb_stderr,
+ fprintf_unfiltered (gdb_stderr,
"gdb error: register no %d not implemented.\n",
regno);
- register_valid [regno] = 1;
+ register_valid[regno] = 1;
}
/* Store our register values back into the inferior.
@@ -155,34 +161,34 @@ store_inferior_registers (regno)
errno = 0;
if (regno == -1)
- { /* for all registers.. */
+ { /* for all registers.. */
int ii;
- /* execute one dummy instruction (which is a breakpoint) in inferior
- process. So give kernel a chance to do internal house keeping.
- Otherwise the following ptrace(2) calls will mess up user stack
- since kernel will get confused about the bottom of the stack (%sp) */
+ /* execute one dummy instruction (which is a breakpoint) in inferior
+ process. So give kernel a chance to do internal house keeping.
+ Otherwise the following ptrace(2) calls will mess up user stack
+ since kernel will get confused about the bottom of the stack (%sp) */
- exec_one_dummy_insn ();
+ exec_one_dummy_insn ();
/* write general purpose registers first! */
- for ( ii=GPR0; ii<=GPR31; ++ii)
+ for (ii = GPR0; ii <= GPR31; ++ii)
{
ptrace (PT_WRITE_GPR, inferior_pid, (PTRACE_ARG3_TYPE) ii,
- *(int*)&registers[REGISTER_BYTE (ii)], 0);
+ *(int *) &registers[REGISTER_BYTE (ii)], 0);
if (errno)
- {
+ {
perror ("ptrace write_gpr");
errno = 0;
}
}
/* write floating point registers now. */
- for ( ii=0; ii < 32; ++ii)
+ for (ii = 0; ii < 32; ++ii)
{
- ptrace (PT_WRITE_FPR, inferior_pid,
- (PTRACE_ARG3_TYPE) &registers[REGISTER_BYTE (FP0_REGNUM+ii)],
- FPR0+ii, 0);
+ ptrace (PT_WRITE_FPR, inferior_pid,
+ (PTRACE_ARG3_TYPE) & registers[REGISTER_BYTE (FP0_REGNUM + ii)],
+ FPR0 + ii, 0);
if (errno)
{
perror ("ptrace write_fpr");
@@ -191,11 +197,11 @@ store_inferior_registers (regno)
}
/* write special registers. */
- for (ii=0; ii <= LAST_UISA_SP_REGNUM-FIRST_UISA_SP_REGNUM; ++ii)
+ for (ii = 0; ii <= LAST_UISA_SP_REGNUM - FIRST_UISA_SP_REGNUM; ++ii)
{
ptrace (PT_WRITE_GPR, inferior_pid,
(PTRACE_ARG3_TYPE) special_regs[ii],
- *(int*)&registers[REGISTER_BYTE (FIRST_UISA_SP_REGNUM+ii)],
+ *(int *) &registers[REGISTER_BYTE (FIRST_UISA_SP_REGNUM + ii)],
0);
if (errno)
{
@@ -207,24 +213,24 @@ store_inferior_registers (regno)
/* else, a specific register number is given... */
- else if (regno < FP0_REGNUM) /* a GPR */
+ else if (regno < FP0_REGNUM) /* a GPR */
{
ptrace (PT_WRITE_GPR, inferior_pid, (PTRACE_ARG3_TYPE) regno,
- *(int*)&registers[REGISTER_BYTE (regno)], 0);
+ *(int *) &registers[REGISTER_BYTE (regno)], 0);
}
- else if (regno <= FPLAST_REGNUM) /* a FPR */
+ else if (regno <= FPLAST_REGNUM) /* a FPR */
{
- ptrace (PT_WRITE_FPR, inferior_pid,
- (PTRACE_ARG3_TYPE) &registers[REGISTER_BYTE (regno)],
+ ptrace (PT_WRITE_FPR, inferior_pid,
+ (PTRACE_ARG3_TYPE) & registers[REGISTER_BYTE (regno)],
regno - FP0_REGNUM + FPR0, 0);
}
- else if (regno <= LAST_UISA_SP_REGNUM) /* a special register */
+ else if (regno <= LAST_UISA_SP_REGNUM) /* a special register */
{
ptrace (PT_WRITE_GPR, inferior_pid,
- (PTRACE_ARG3_TYPE) special_regs [regno-FIRST_UISA_SP_REGNUM],
- *(int*)&registers[REGISTER_BYTE (regno)], 0);
+ (PTRACE_ARG3_TYPE) special_regs[regno - FIRST_UISA_SP_REGNUM],
+ *(int *) &registers[REGISTER_BYTE (regno)], 0);
}
else
@@ -248,7 +254,7 @@ exec_one_dummy_insn ()
{
#define DUMMY_INSN_ADDR (TEXT_SEGMENT_BASE)+0x200
- char shadow_contents[BREAKPOINT_MAX]; /* Stash old bkpt addr contents */
+ char shadow_contents[BREAKPOINT_MAX]; /* Stash old bkpt addr contents */
int status, pid;
CORE_ADDR prev_pc;
@@ -267,15 +273,17 @@ exec_one_dummy_insn ()
powerpc-ibm-aix4.1.3 works correctly). */
prev_pc = read_pc ();
write_pc (DUMMY_INSN_ADDR);
- ptrace (PT_CONTINUE, inferior_pid, (PTRACE_ARG3_TYPE)1, 0, 0);
+ ptrace (PT_CONTINUE, inferior_pid, (PTRACE_ARG3_TYPE) 1, 0, 0);
if (errno)
perror ("pt_continue");
- do {
- pid = wait (&status);
- } while (pid != inferior_pid);
-
+ do
+ {
+ pid = wait (&status);
+ }
+ while (pid != inferior_pid);
+
write_pc (prev_pc);
target_remove_breakpoint (DUMMY_INSN_ADDR, shadow_contents);
}
@@ -295,22 +303,22 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
memcpy (registers, core_reg_sect, 32 * 4);
/* gdb's internal register template and bfd's register section layout
- should share a common include file. FIXMEmgo */
+ should share a common include file. FIXMEmgo */
/* then comes special registes. They are supposed to be in the same
- order in gdb template and bfd `.reg' section. */
+ order in gdb template and bfd `.reg' section. */
core_reg_sect += (32 * 4);
- memcpy (&registers [REGISTER_BYTE (FIRST_UISA_SP_REGNUM)],
- core_reg_sect,
+ memcpy (&registers[REGISTER_BYTE (FIRST_UISA_SP_REGNUM)],
+ core_reg_sect,
(LAST_UISA_SP_REGNUM - FIRST_UISA_SP_REGNUM + 1) * 4);
}
/* fetch floating point registers from register section 2 in core bfd. */
else if (which == 2)
- memcpy (&registers [REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 32 * 8);
+ memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 32 * 8);
else
- fprintf_unfiltered
- (gdb_stderr,
+ fprintf_unfiltered
+ (gdb_stderr,
"Gdb error: unknown parameter to fetch_core_registers().\n");
}
@@ -323,13 +331,13 @@ vmap_symtab (vp)
register struct objfile *objfile;
struct section_offsets *new_offsets;
int i;
-
+
objfile = vp->objfile;
if (objfile == NULL)
{
/* OK, it's not an objfile we opened ourselves.
- Currently, that can only happen with the exec file, so
- relocate the symbols for the symfile. */
+ Currently, that can only happen with the exec file, so
+ relocate the symbols for the symfile. */
if (symfile_objfile == NULL)
return;
objfile = symfile_objfile;
@@ -341,7 +349,7 @@ vmap_symtab (vp)
for (i = 0; i < objfile->num_sections; ++i)
ANOFFSET (new_offsets, i) = ANOFFSET (objfile->section_offsets, i);
-
+
/* The symbols in the object file are linked to the VMA of the section,
relocate them VMA relative. */
ANOFFSET (new_offsets, SECT_OFF_TEXT) = vp->tstart - vp->tvma;
@@ -373,7 +381,7 @@ objfile_symbol_add (arg)
static struct vmap *
add_vmap (ldi)
- register struct ld_info *ldi;
+ register struct ld_info *ldi;
{
bfd *abfd, *last;
register char *mem, *objname;
@@ -419,9 +427,9 @@ add_vmap (ldi)
return 0;
}
- if (!bfd_check_format(last, bfd_object))
+ if (!bfd_check_format (last, bfd_object))
{
- bfd_close (last); /* XXX??? */
+ bfd_close (last); /* XXX??? */
goto obj_err;
}
@@ -433,13 +441,13 @@ add_vmap (ldi)
bfd_close (abfd);
error ("\"%s\": not in executable format: %s.",
objname, bfd_errmsg (bfd_get_error ()));
- /*NOTREACHED*/
+ /*NOTREACHED */
}
obj = allocate_objfile (vp->bfd, 0, 0, 0);
vp->objfile = obj;
#ifndef SOLIB_SYMBOLS_MANUAL
- if (catch_errors (objfile_symbol_add, (char *)obj,
+ if (catch_errors (objfile_symbol_add, (char *) obj,
"Error while reading shared library symbols:\n",
RETURN_MASK_ALL))
{
@@ -467,91 +475,93 @@ vmap_ldinfo (ldi)
If so, update the mapping, and symbol table.
If not, add an entry and symbol table. */
- do {
- char *name = ldi->ldinfo_filename;
- char *memb = name + strlen(name) + 1;
-
- retried = 0;
-
- if (fstat (ldi->ldinfo_fd, &ii) < 0)
- {
- /* The kernel sets ld_info to -1, if the process is still using the
- object, and the object is removed. Keep the symbol info for the
- removed object and issue a warning. */
- warning ("%s (fd=%d) has disappeared, keeping its symbols",
- name, ldi->ldinfo_fd);
- continue;
- }
- retry:
- for (got_one = 0, vp = vmap; vp; vp = vp->nxt)
- {
- struct objfile *objfile;
-
- /* First try to find a `vp', which is the same as in ldinfo.
- If not the same, just continue and grep the next `vp'. If same,
- relocate its tstart, tend, dstart, dend values. If no such `vp'
- found, get out of this for loop, add this ldi entry as a new vmap
- (add_vmap) and come back, find its `vp' and so on... */
-
- /* The filenames are not always sufficient to match on. */
-
- if ((name[0] == '/' && !STREQ(name, vp->name))
- || (memb[0] && !STREQ(memb, vp->member)))
+ do
+ {
+ char *name = ldi->ldinfo_filename;
+ char *memb = name + strlen (name) + 1;
+
+ retried = 0;
+
+ if (fstat (ldi->ldinfo_fd, &ii) < 0)
+ {
+ /* The kernel sets ld_info to -1, if the process is still using the
+ object, and the object is removed. Keep the symbol info for the
+ removed object and issue a warning. */
+ warning ("%s (fd=%d) has disappeared, keeping its symbols",
+ name, ldi->ldinfo_fd);
continue;
+ }
+ retry:
+ for (got_one = 0, vp = vmap; vp; vp = vp->nxt)
+ {
+ struct objfile *objfile;
- /* See if we are referring to the same file.
- We have to check objfile->obfd, symfile.c:reread_symbols might
- have updated the obfd after a change. */
- objfile = vp->objfile == NULL ? symfile_objfile : vp->objfile;
- if (objfile == NULL
- || objfile->obfd == NULL
- || bfd_stat (objfile->obfd, &vi) < 0)
- {
- warning ("Unable to stat %s, keeping its symbols", name);
+ /* First try to find a `vp', which is the same as in ldinfo.
+ If not the same, just continue and grep the next `vp'. If same,
+ relocate its tstart, tend, dstart, dend values. If no such `vp'
+ found, get out of this for loop, add this ldi entry as a new vmap
+ (add_vmap) and come back, find its `vp' and so on... */
+
+ /* The filenames are not always sufficient to match on. */
+
+ if ((name[0] == '/' && !STREQ (name, vp->name))
+ || (memb[0] && !STREQ (memb, vp->member)))
continue;
- }
- if (ii.st_dev != vi.st_dev || ii.st_ino != vi.st_ino)
- continue;
+ /* See if we are referring to the same file.
+ We have to check objfile->obfd, symfile.c:reread_symbols might
+ have updated the obfd after a change. */
+ objfile = vp->objfile == NULL ? symfile_objfile : vp->objfile;
+ if (objfile == NULL
+ || objfile->obfd == NULL
+ || bfd_stat (objfile->obfd, &vi) < 0)
+ {
+ warning ("Unable to stat %s, keeping its symbols", name);
+ continue;
+ }
- if (!retried)
- close (ldi->ldinfo_fd);
+ if (ii.st_dev != vi.st_dev || ii.st_ino != vi.st_ino)
+ continue;
- ++got_one;
+ if (!retried)
+ close (ldi->ldinfo_fd);
- /* Found a corresponding VMAP. Remap! */
+ ++got_one;
- /* We can assume pointer == CORE_ADDR, this code is native only. */
- vp->tstart = (CORE_ADDR) ldi->ldinfo_textorg;
- vp->tend = vp->tstart + ldi->ldinfo_textsize;
- vp->dstart = (CORE_ADDR) ldi->ldinfo_dataorg;
- vp->dend = vp->dstart + ldi->ldinfo_datasize;
+ /* Found a corresponding VMAP. Remap! */
- /* The run time loader maps the file header in addition to the text
- section and returns a pointer to the header in ldinfo_textorg.
- Adjust the text start address to point to the real start address
- of the text section. */
- vp->tstart += vp->toffs;
+ /* We can assume pointer == CORE_ADDR, this code is native only. */
+ vp->tstart = (CORE_ADDR) ldi->ldinfo_textorg;
+ vp->tend = vp->tstart + ldi->ldinfo_textsize;
+ vp->dstart = (CORE_ADDR) ldi->ldinfo_dataorg;
+ vp->dend = vp->dstart + ldi->ldinfo_datasize;
- /* The objfile is only NULL for the exec file. */
- if (vp->objfile == NULL)
- got_exec_file = 1;
+ /* The run time loader maps the file header in addition to the text
+ section and returns a pointer to the header in ldinfo_textorg.
+ Adjust the text start address to point to the real start address
+ of the text section. */
+ vp->tstart += vp->toffs;
- /* relocate symbol table(s). */
- vmap_symtab (vp);
+ /* The objfile is only NULL for the exec file. */
+ if (vp->objfile == NULL)
+ got_exec_file = 1;
- /* There may be more, so we don't break out of the loop. */
- }
+ /* relocate symbol table(s). */
+ vmap_symtab (vp);
- /* if there was no matching *vp, we must perforce create the sucker(s) */
- if (!got_one && !retried)
- {
- add_vmap (ldi);
- ++retried;
- goto retry;
- }
- } while (ldi->ldinfo_next
- && (ldi = (void *) (ldi->ldinfo_next + (char *) ldi)));
+ /* There may be more, so we don't break out of the loop. */
+ }
+
+ /* if there was no matching *vp, we must perforce create the sucker(s) */
+ if (!got_one && !retried)
+ {
+ add_vmap (ldi);
+ ++retried;
+ goto retry;
+ }
+ }
+ while (ldi->ldinfo_next
+ && (ldi = (void *) (ldi->ldinfo_next + (char *) ldi)));
/* If we don't find the symfile_objfile anywhere in the ldinfo, it
is unlikely that the symbol file is relocated to the proper
@@ -581,7 +591,7 @@ symbols to the proper address).\n", gdb_stderr);
`exec_sections' need to be relocated only once, as long as the exec
file remains unchanged.
-*/
+ */
static void
vmap_exec ()
@@ -597,19 +607,19 @@ vmap_exec ()
if (!vmap || !exec_ops.to_sections)
error ("vmap_exec: vmap or exec_ops.to_sections == 0\n");
- for (i=0; &exec_ops.to_sections[i] < exec_ops.to_sections_end; i++)
+ for (i = 0; &exec_ops.to_sections[i] < exec_ops.to_sections_end; i++)
{
- if (STREQ(".text", exec_ops.to_sections[i].the_bfd_section->name))
+ if (STREQ (".text", exec_ops.to_sections[i].the_bfd_section->name))
{
exec_ops.to_sections[i].addr += vmap->tstart - vmap->tvma;
exec_ops.to_sections[i].endaddr += vmap->tstart - vmap->tvma;
}
- else if (STREQ(".data", exec_ops.to_sections[i].the_bfd_section->name))
+ else if (STREQ (".data", exec_ops.to_sections[i].the_bfd_section->name))
{
exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
}
- else if (STREQ(".bss", exec_ops.to_sections[i].the_bfd_section->name))
+ else if (STREQ (".bss", exec_ops.to_sections[i].the_bfd_section->name))
{
exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
@@ -617,18 +627,18 @@ vmap_exec ()
}
}
-/* xcoff_relocate_symtab - hook for symbol table relocation.
+/* xcoff_relocate_symtab - hook for symbol table relocation.
also reads shared libraries.. */
void
xcoff_relocate_symtab (pid)
unsigned int pid;
{
-#define MAX_LOAD_SEGS 64 /* maximum number of load segments */
+#define MAX_LOAD_SEGS 64 /* maximum number of load segments */
struct ld_info *ldi;
- ldi = (void *) alloca(MAX_LOAD_SEGS * sizeof (*ldi));
+ ldi = (void *) alloca (MAX_LOAD_SEGS * sizeof (*ldi));
/* According to my humble theory, AIX has some timing problems and
when the user stack grows, kernel doesn't update stack info in time
@@ -639,7 +649,7 @@ xcoff_relocate_symtab (pid)
errno = 0;
ptrace (PT_LDINFO, pid, (PTRACE_ARG3_TYPE) ldi,
- MAX_LOAD_SEGS * sizeof(*ldi), (int *) ldi);
+ MAX_LOAD_SEGS * sizeof (*ldi), (int *) ldi);
if (errno)
perror_with_name ("ptrace ldinfo");
@@ -675,13 +685,13 @@ xcoff_relocate_core (target)
int buffer_size = LDINFO_SIZE;
char *buffer = xmalloc (buffer_size);
struct cleanup *old = make_cleanup (free_current_contents, &buffer);
-
+
/* FIXME, this restriction should not exist. For now, though I'll
avoid coredumps with error() pending a real fix. */
if (vmap == NULL)
error
("Can't debug a core file without an executable file (on the RS/6000)");
-
+
ldinfo_sec = bfd_get_section_by_name (core_bfd, ".ldinfo");
if (ldinfo_sec == NULL)
{
@@ -715,13 +725,14 @@ xcoff_relocate_core (target)
goto bfd_err;
if (buffer[i++] == '\0')
++names_found;
- } while (names_found < 2);
+ }
+ while (names_found < 2);
ldip = (struct ld_info *) buffer;
/* Can't use a file descriptor from the core file; need to open it. */
ldip->ldinfo_fd = -1;
-
+
/* The first ldinfo is for the exec file, allocated elsewhere. */
if (offset == 0)
vp = vmap;
@@ -737,13 +748,13 @@ xcoff_relocate_core (target)
vp->dend = vp->dstart + ldip->ldinfo_datasize;
/* The run time loader maps the file header in addition to the text
- section and returns a pointer to the header in ldinfo_textorg.
- Adjust the text start address to point to the real start address
- of the text section. */
+ section and returns a pointer to the header in ldinfo_textorg.
+ Adjust the text start address to point to the real start address
+ of the text section. */
vp->tstart += vp->toffs;
/* Unless this is the exec file,
- add our sections to the section table for the core target. */
+ add our sections to the section table for the core target. */
if (vp != vmap)
{
int count;
@@ -753,7 +764,7 @@ xcoff_relocate_core (target)
/* We must update the to_sections field in the core_ops structure
now to avoid dangling pointer dereferences. */
update_coreops = core_ops.to_sections == target->to_sections;
-
+
count = target->to_sections_end - target->to_sections;
count += 2;
target->to_sections = (struct section_table *)
@@ -775,7 +786,7 @@ xcoff_relocate_core (target)
stp->addr = vp->tstart;
stp->endaddr = vp->tend;
stp++;
-
+
stp->bfd = vp->bfd;
stp->the_bfd_section = bfd_get_section_by_name (stp->bfd, ".data");
stp->addr = vp->dstart;
@@ -783,7 +794,8 @@ xcoff_relocate_core (target)
}
vmap_symtab (vp);
- } while (ldip->ldinfo_next != 0);
+ }
+ while (ldip->ldinfo_next != 0);
vmap_exec ();
breakpoint_re_set ();
do_cleanups (old);
generated by cgit v1.1 at 2024-11-04 17:30:14 +0000