OpenE2K/binutils-gdb
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Fri Apr 7 13:44:38 2000 glen mccready <gkm@pobox.com>

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* rs6000-nat.c (xcoff_relocate_symtab): Grow buffer if ptrace()
          fails due to lack of space.
This commit is contained in:
Glen McCready 2000-04-20 23:54:45 +00:00
parent 49a5a3a3e3
commit c18e0d23bd
2 changed files with 25 additions and 9 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
Fri Apr 7 13:44:38 2000 glen mccready <gkm@pobox.com>
* rs6000-nat.c (xcoff_relocate_symtab): Grow buffer if ptrace()
fails due to lack of space.
Fri Mar 24 12:10:38 2000 glen mccready <gkm@pobox.com>
* command.c, command.h (help_all): Add functionality to display

29
gdb/rs6000-nat.c
View File

@ -639,11 +639,16 @@ void
xcoff_relocate_symtab (pid)
unsigned int pid;
{
#define MAX_LOAD_SEGS 64 /* maximum number of load segments */
int load_segs = 64; /* number of load segments */
do
{
struct ld_info *ldi;
int rc;
ldi = (void *) alloca (MAX_LOAD_SEGS * sizeof (*ldi));
ldi = (void *) alloca (load_segs * sizeof (*ldi));
if (ldi == 0)
perror_with_name ("xcoff_relocate_symtab");
/* According to my humble theory, AIX has some timing problems and
when the user stack grows, kernel doesn't update stack info in time
@ -653,15 +658,21 @@ xcoff_relocate_symtab (pid)
usleep (36000);
errno = 0;
ptrace (PT_LDINFO, pid, (PTRACE_ARG3_TYPE) ldi,
MAX_LOAD_SEGS * sizeof (*ldi), (int *) ldi);
if (errno)
rc = ptrace (PT_LDINFO, pid, (PTRACE_ARG3_TYPE) ldi,
load_segs * sizeof (*ldi), (int *) ldi);
if (rc == -1)
{
if (errno == ENOMEM)
load_segs *= 2;
else
perror_with_name ("ptrace ldinfo");
}
else
{
vmap_ldinfo (ldi);
/* relocate the exec and core sections as well. */
vmap_exec ();
vmap_exec (); /* relocate the exec and core sections as well. */
}
} while (rc == -1);
}
/* Core file stuff. */