diff options
author | Jason Molenda <jmolenda@apple.com> | 1999-07-07 20:19:36 +0000 |
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committer | Jason Molenda <jmolenda@apple.com> | 1999-07-07 20:19:36 +0000 |
commit | c5aa993b1f4add48fbdc6cc3117059f616e49875 (patch) | |
tree | c809d06515a34428cc8df5f758fbc1b6117d4c30 /gdb/rs6000-nat.c | |
parent | 3a4b77d8bee950afce6f9702aa65dc0e60817a82 (diff) | |
download | gdb-c5aa993b1f4add48fbdc6cc3117059f616e49875.zip gdb-c5aa993b1f4add48fbdc6cc3117059f616e49875.tar.gz gdb-c5aa993b1f4add48fbdc6cc3117059f616e49875.tar.bz2 |
import gdb-1999-07-07 post reformat
Diffstat (limited to 'gdb/rs6000-nat.c')
-rw-r--r-- | gdb/rs6000-nat.c | 398 |
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*)®isters[REGISTER_BYTE (ii)] = - ptrace (PT_READ_GPR, inferior_pid, (PTRACE_ARG3_TYPE) ii, 0, 0); + for (ii = 0; ii < 32; ++ii) + *(int *) ®isters[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) ®isters [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*)®isters[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 *) ®isters[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*)®isters[REGISTER_BYTE (regno)] = + else if (regno < FP0_REGNUM) + { /* a GPR */ + *(int *) ®isters[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) ®isters [REGISTER_BYTE (regno)], - (regno-FP0_REGNUM+FPR0), 0); - } - else if (regno <= LAST_UISA_SP_REGNUM) { /* a special register */ - *(int*)®isters[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 *) ®isters[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*)®isters[REGISTER_BYTE (ii)], 0); + *(int *) ®isters[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) ®isters[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*)®isters[REGISTER_BYTE (FIRST_UISA_SP_REGNUM+ii)], + *(int *) ®isters[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*)®isters[REGISTER_BYTE (regno)], 0); + *(int *) ®isters[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) ®isters[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*)®isters[REGISTER_BYTE (regno)], 0); + (PTRACE_ARG3_TYPE) special_regs[regno - FIRST_UISA_SP_REGNUM], + *(int *) ®isters[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 (®isters [REGISTER_BYTE (FIRST_UISA_SP_REGNUM)], - core_reg_sect, + memcpy (®isters[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 (®isters [REGISTER_BYTE (FP0_REGNUM)], core_reg_sect, 32 * 8); + memcpy (®isters[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); |