diff options
Diffstat (limited to 'tools/objtool/objtool.c')
| -rw-r--r-- | tools/objtool/objtool.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c index 58fdda510653..9df0cd86d310 100644 --- a/tools/objtool/objtool.c +++ b/tools/objtool/objtool.c @@ -22,6 +22,8 @@ #include <linux/kernel.h> #include "builtin.h" +#include "objtool.h" +#include "warn.h" struct cmd_struct { const char *name; @@ -39,6 +41,34 @@ static struct cmd_struct objtool_cmds[] = { bool help; +const char *objname; +static struct objtool_file file; + +struct objtool_file *objtool_open_read(const char *_objname) +{ + if (objname) { + if (strcmp(objname, _objname)) { + WARN("won't handle more than one file at a time"); + return NULL; + } + return &file; + } + objname = _objname; + + file.elf = elf_open_read(objname, O_RDWR); + if (!file.elf) + return NULL; + + INIT_LIST_HEAD(&file.insn_list); + hash_init(file.insn_hash); + INIT_LIST_HEAD(&file.static_call_list); + file.c_file = !vmlinux && find_section_by_name(file.elf, ".comment"); + file.ignore_unreachables = no_unreachable; + file.hints = false; + + return &file; +} + static void cmd_usage(void) { unsigned int i, longest = 0; |