diff options
Diffstat (limited to 'tools/objtool/orc_gen.c')
-rw-r--r-- | tools/objtool/orc_gen.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index e85bbb996f6c..b327f9ccfe73 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -21,12 +21,22 @@ static int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi, memset(orc, 0, sizeof(*orc)); if (!cfi) { - orc->end = 0; - orc->sp_reg = ORC_REG_UNDEFINED; + /* + * This is usually either unreachable nops/traps (which don't + * trigger unreachable instruction warnings), or + * STACK_FRAME_NON_STANDARD functions. + */ + orc->type = ORC_TYPE_UNDEFINED; return 0; } switch (cfi->type) { + case UNWIND_HINT_TYPE_UNDEFINED: + orc->type = ORC_TYPE_UNDEFINED; + return 0; + case UNWIND_HINT_TYPE_END_OF_STACK: + orc->type = ORC_TYPE_END_OF_STACK; + return 0; case UNWIND_HINT_TYPE_CALL: orc->type = ORC_TYPE_CALL; break; @@ -42,14 +52,8 @@ static int init_orc_entry(struct orc_entry *orc, struct cfi_state *cfi, return -1; } - orc->end = cfi->end; orc->signal = cfi->signal; - if (cfi->cfa.base == CFI_UNDEFINED) { - orc->sp_reg = ORC_REG_UNDEFINED; - return 0; - } - switch (cfi->cfa.base) { case CFI_SP: orc->sp_reg = ORC_REG_SP; @@ -163,11 +167,7 @@ int orc_create(struct objtool_file *file) struct orc_list_entry *entry; struct list_head orc_list; - struct orc_entry null = { - .sp_reg = ORC_REG_UNDEFINED, - .bp_reg = ORC_REG_UNDEFINED, - .type = ORC_TYPE_CALL, - }; + struct orc_entry null = { .type = ORC_TYPE_UNDEFINED }; /* Build a deduplicated list of ORC entries: */ INIT_LIST_HEAD(&orc_list); |