diff options
Diffstat (limited to 'gdb/solib.c')
| -rw-r--r-- | gdb/solib.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gdb/solib.c b/gdb/solib.c index aa2dd46ab13..2bd8a2ec794 100644 --- a/gdb/solib.c +++ b/gdb/solib.c @@ -1306,11 +1306,35 @@ solib_address (address) /* Called by free_all_symtabs */ void -clear_solib() +clear_solib () { struct so_list *next; char *bfd_filename; + /* This function is expected to handle ELF shared libraries. It is + also used on Solaris, which can run either ELF or a.out binaries + (for compatibility with SunOS 4), both of which can use shared + libraries. So we don't know whether we have an ELF executable or + an a.out executable until the user chooses an executable file. + + ELF shared libraries don't get mapped into the address space + until after the program starts, so we'd better not try to insert + breakpoints in them immediately. We have to wait until the + dynamic linker has loaded them; we'll hit a bp_shlib_event + breakpoint (look for calls to create_solib_event_breakpoint) when + it's ready. + + SunOS shared libraries seem to be different --- they're present + as soon as the process begins execution, so there's no need to + put off inserting breakpoints. There's also nowhere to put a + bp_shlib_event breakpoint, so if we put it off, we'll never get + around to it. + + So: disable breakpoints only if we're using ELF shared libs. */ + if (exec_bfd != NULL + && bfd_get_flavour (exec_bfd) != bfd_target_aout_flavour) + disable_breakpoints_in_shlibs (1); + while (so_list_head) { if (so_list_head -> sections) |