diff options
Diffstat (limited to 'libdwfl/dwfl_module_getdwarf.c')
| -rw-r--r-- | libdwfl/dwfl_module_getdwarf.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libdwfl/dwfl_module_getdwarf.c b/libdwfl/dwfl_module_getdwarf.c index c4bd7395..d667513f 100644 --- a/libdwfl/dwfl_module_getdwarf.c +++ b/libdwfl/dwfl_module_getdwarf.c @@ -45,6 +45,16 @@ open_elf (Dwfl_Module *mod, struct dwfl_file *file) set it with an open failure below. */ errno = 0; + off_t start_offset = 0; + size_t maximum_size = ~((size_t) 0); + if (mod->pid != 0 && file == &mod->main) + { + if (asprintf (&file->name, "/proc/%d/mem", mod->pid) < 0) + return CBFAIL; + start_offset = mod->low_addr; + maximum_size = mod->high_addr - mod->low_addr; + } + /* If there was a pre-primed file name left that the callback left behind, try to open that file name. */ if (file->fd < 0 && file->name != NULL) @@ -53,7 +63,10 @@ open_elf (Dwfl_Module *mod, struct dwfl_file *file) if (file->fd < 0) return CBFAIL; - Dwfl_Error error = __libdw_open_file (&file->fd, &file->elf, true, false); + Dwfl_Error error = __libdw_open_file_at_offset (&file->fd, &file->elf, + start_offset, + maximum_size, + true, false); if (error != DWFL_E_NOERROR) return error; } |