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authorPeter Zijlstra <peterz@infradead.org>2022-03-08 16:30:45 +0100
committerPeter Zijlstra <peterz@infradead.org>2022-03-15 10:32:42 +0100
commit53f7109ef957315ab53205ba3a3f4f48874c0428 (patch)
treeb8bea43867db32c24fd349b9f4c38f93fc025caf /tools/objtool
parentcb9010f87dcbcdbb51cc96b922c6260848cecbd1 (diff)
objtool: Rename --duplicate to --lto
In order to prepare for LTO like objtool runs for modules, rename the duplicate argument to lto. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Link: https://lore.kernel.org/r/20220308154319.172584233@infradead.org
Diffstat (limited to 'tools/objtool')
-rw-r--r--tools/objtool/builtin-check.c4
-rw-r--r--tools/objtool/check.c7
-rw-r--r--tools/objtool/include/objtool/builtin.h2
3 files changed, 9 insertions, 4 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 853af934c9fd..5c2fcaa2c260 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -20,7 +20,7 @@
#include <objtool/objtool.h>
bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats,
- validate_dup, vmlinux, mcount, noinstr, backup, sls, dryrun;
+ lto, vmlinux, mcount, noinstr, backup, sls, dryrun;
static const char * const check_usage[] = {
"objtool check [<options>] file.o",
@@ -40,7 +40,7 @@ const struct option check_options[] = {
OPT_BOOLEAN('b', "backtrace", &backtrace, "unwind on error"),
OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"),
OPT_BOOLEAN('s', "stats", &stats, "print statistics"),
- OPT_BOOLEAN('d', "duplicate", &validate_dup, "duplicate validation for vmlinux.o"),
+ OPT_BOOLEAN(0, "lto", &lto, "whole-archive like runs"),
OPT_BOOLEAN('n', "noinstr", &noinstr, "noinstr validation for vmlinux.o"),
OPT_BOOLEAN('l', "vmlinux", &vmlinux, "vmlinux.o validation"),
OPT_BOOLEAN('M', "mcount", &mcount, "generate __mcount_loc"),
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 311bfc6922c1..ae1d4f996803 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3499,6 +3499,11 @@ int check(struct objtool_file *file)
{
int ret, warnings = 0;
+ if (lto && !(vmlinux || module)) {
+ fprintf(stderr, "--lto requires: --vmlinux or --module\n");
+ return 1;
+ }
+
arch_initial_func_cfi_state(&initial_func_cfi);
init_cfi_state(&init_cfi);
init_cfi_state(&func_cfi);
@@ -3519,7 +3524,7 @@ int check(struct objtool_file *file)
if (list_empty(&file->insn_list))
goto out;
- if (vmlinux && !validate_dup) {
+ if (vmlinux && !lto) {
ret = validate_vmlinux_functions(file);
if (ret < 0)
goto out;
diff --git a/tools/objtool/include/objtool/builtin.h b/tools/objtool/include/objtool/builtin.h
index 7b4b124b9032..0cbe739ab0c8 100644
--- a/tools/objtool/include/objtool/builtin.h
+++ b/tools/objtool/include/objtool/builtin.h
@@ -9,7 +9,7 @@
extern const struct option check_options[];
extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats,
- validate_dup, vmlinux, mcount, noinstr, backup, sls, dryrun;
+ lto, vmlinux, mcount, noinstr, backup, sls, dryrun;
extern int cmd_parse_options(int argc, const char **argv, const char * const usage[]);