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| author | Glen McCready <gkm@pobox.com> | 2000-04-20 23:54:45 +0000 |
|---|---|---|
| committer | Glen McCready <gkm@pobox.com> | 2000-04-20 23:54:45 +0000 |
| commit | c18e0d23bdc994d590c734601aec94c05f8d957f (patch) | |
| tree | 886e4f8ee864e21c3c1ff1cff695aee417e072e4 | |
| parent | 49a5a3a3e37d495246ffe43f53a41b80e7892ec3 (diff) | |
| download | gdb-c18e0d23bdc994d590c734601aec94c05f8d957f.zip gdb-c18e0d23bdc994d590c734601aec94c05f8d957f.tar.gz gdb-c18e0d23bdc994d590c734601aec94c05f8d957f.tar.bz2 | |
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.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/rs6000-nat.c | 29 |
2 files changed, 25 insertions, 9 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 740a3ad..8d59e85 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -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 diff --git a/gdb/rs6000-nat.c b/gdb/rs6000-nat.c index 63fadcf..f4b2831 100644 --- a/gdb/rs6000-nat.c +++ b/gdb/rs6000-nat.c @@ -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. */ |