summaryrefslogtreecommitdiff
path: root/tools/objtool
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2025-02-18 11:07:15 +0100
committerIngo Molnar <mingo@kernel.org>2025-02-18 11:07:15 +0100
commite8f925c320478ee28b7ff89be56f19057f979365 (patch)
treeaee5323321931d2119c96486e1790b50c7f9c5d0 /tools/objtool
parent882b86fd4e0d49bf91148dbadcdbece19ded40e6 (diff)
parent0ad2507d5d93f39619fc42372c347d6006b64319 (diff)
Merge tag 'v6.14-rc3' into x86/core, to pick up fixes
Pick up upstream x86 fixes before applying new patches. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool')
-rw-r--r--tools/objtool/check.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 26f2c1b8e099..9d8e9ec53ab1 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -227,6 +227,7 @@ static bool is_rust_noreturn(const struct symbol *func)
str_ends_with(func->name, "_4core9panicking18panic_bounds_check") ||
str_ends_with(func->name, "_4core9panicking19assert_failed_inner") ||
str_ends_with(func->name, "_4core9panicking36panic_misaligned_pointer_dereference") ||
+ strstr(func->name, "_4core9panicking13assert_failed") ||
strstr(func->name, "_4core9panicking11panic_const24panic_const_") ||
(strstr(func->name, "_4core5slice5index24slice_") &&
str_ends_with(func->name, "_fail"));
@@ -1967,6 +1968,14 @@ static int add_jump_table(struct objtool_file *file, struct instruction *insn,
reloc_addend(reloc) == pfunc->offset)
break;
+ /*
+ * Clang sometimes leaves dangling unused jump table entries
+ * which point to the end of the function. Ignore them.
+ */
+ if (reloc->sym->sec == pfunc->sec &&
+ reloc_addend(reloc) == pfunc->offset + pfunc->len)
+ goto next;
+
dest_insn = find_insn(file, reloc->sym->sec, reloc_addend(reloc));
if (!dest_insn)
break;
@@ -1984,6 +1993,7 @@ static int add_jump_table(struct objtool_file *file, struct instruction *insn,
alt->insn = dest_insn;
alt->next = insn->alts;
insn->alts = alt;
+next:
prev_offset = reloc_offset(reloc);
}
@@ -2256,7 +2266,7 @@ static int read_annotate(struct objtool_file *file,
if (sec->sh.sh_entsize != 8) {
static bool warned = false;
- if (!warned) {
+ if (!warned && opts.verbose) {
WARN("%s: dodgy linker, sh_entsize != 8", sec->name);
warned = true;
}