diff options
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/elfread.c | 17 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 5a8eb1c..68267a3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2011-12-19 Joel Brobecker <brobecker@adacore.com> + + * elfread.c (elf_symtab_read): Ignore undefined symbols with + nonzero addresses if they do not correspond to a .plt section + when one is available in the objfile. + 2011-12-17 Andreas Schwab <schwab@linux-m68k.org> * cp-name-parser.y (cp_merge_demangle_parse_infos): Don't use diff --git a/gdb/elfread.c b/gdb/elfread.c index 067c77f..fd65ecf 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -303,6 +303,23 @@ elf_symtab_read (struct objfile *objfile, int type, if (!sect) continue; + /* On ia64-hpux, we have discovered that the system linker + adds undefined symbols with nonzero addresses that cannot + be right (their address points inside the code of another + function in the .text section). This creates problems + when trying to determine which symbol corresponds to + a given address. + + We try to detect those buggy symbols by checking which + section we think they correspond to. Normally, PLT symbols + are stored inside their own section, and the typical name + for that section is ".plt". So, if there is a ".plt" + section, and yet the section name of our symbol does not + start with ".plt", we ignore that symbol. */ + if (strncmp (sect->name, ".plt", 4) != 0 + && bfd_get_section_by_name (abfd, ".plt") != NULL) + continue; + symaddr += ANOFFSET (objfile->section_offsets, sect->index); msym = record_minimal_symbol |