From 4141a416ddb921e600cf6d28b805f854ef3b60e9 Mon Sep 17 00:00:00 2001 From: Joel Brobecker Date: Tue, 18 Dec 2012 06:19:54 +0000 Subject: solib-darwin.c: handle PIE when attaching processes. gdb/ChangeLog: * solib-darwin.c (darwin_current_sos): Fix indentation. (darwin_read_exec_load_addr): New function. (darwin_solib_create_inferior_hook): Rebase executable. * objfiles.c (objfile_rebase1, objfile_rebase): New functions. * objfiles.h (objfile_rebase1, objfile_rebase): Add prototypes. --- gdb/objfiles.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'gdb/objfiles.c') diff --git a/gdb/objfiles.c b/gdb/objfiles.c index feb387b..f75c434 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -882,6 +882,45 @@ objfile_relocate (struct objfile *objfile, struct section_offsets *new_offsets) if (changed) breakpoint_re_set (); } + +/* Rebase (add to the offsets) OBJFILE by SLIDE. SEPARATE_DEBUG_OBJFILE is + not touched here. + Return non-zero iff any change happened. */ + +static int +objfile_rebase1 (struct objfile *objfile, CORE_ADDR slide) +{ + struct section_offsets *new_offsets = + ((struct section_offsets *) + alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections))); + int i; + + for (i = 0; i < objfile->num_sections; ++i) + new_offsets->offsets[i] = slide; + + return objfile_relocate1 (objfile, new_offsets); +} + +/* Rebase (add to the offsets) OBJFILE by SLIDE. Process also OBJFILE's + SEPARATE_DEBUG_OBJFILEs. */ + +void +objfile_rebase (struct objfile *objfile, CORE_ADDR slide) +{ + struct objfile *debug_objfile; + int changed = 0; + + changed |= objfile_rebase1 (objfile, slide); + + for (debug_objfile = objfile->separate_debug_objfile; + debug_objfile; + debug_objfile = objfile_separate_debug_iterate (objfile, debug_objfile)) + changed |= objfile_rebase1 (debug_objfile, slide); + + /* Relocate breakpoints as necessary, after things are relocated. */ + if (changed) + breakpoint_re_set (); +} /* Return non-zero if OBJFILE has partial symbols. */ -- cgit v1.1