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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2020-04-24 22:40:43 +0200 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@redhat.com> | 2020-05-20 15:30:43 +0200 |
| commit | 9d907f1ae80b8a67d5397e26912b9d56d0b70a02 (patch) | |
| tree | 41f4d1ad71da46105e5eb5de02fbb60416ee5979 /samples/ftrace/ftrace-direct.c | |
| parent | Merge tag 'v5.7-rc6' into objtool/core, to pick up fixes and resolve semantic... (diff) | |
| download | linux-9d907f1ae80b8a67d5397e26912b9d56d0b70a02.tar.xz linux-9d907f1ae80b8a67d5397e26912b9d56d0b70a02.zip | |
samples/ftrace: Fix asm function ELF annotations
Enable objtool coverage for the sample ftrace modules by adding ELF
annotations to the asm trampoline functions.
samples/ftrace/ftrace-direct.o: warning: objtool: .text+0x0: unreachable instruction
samples/ftrace/ftrace-direct-modify.o: warning: objtool: .text+0x0: unreachable instruction
samples/ftrace/ftrace-direct-too.o: warning: objtool: .text+0x0: unreachable instruction
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Diffstat (limited to 'samples/ftrace/ftrace-direct.c')
| -rw-r--r-- | samples/ftrace/ftrace-direct.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/samples/ftrace/ftrace-direct.c b/samples/ftrace/ftrace-direct.c index a2e3063bd306..63ca06d42c80 100644 --- a/samples/ftrace/ftrace-direct.c +++ b/samples/ftrace/ftrace-direct.c @@ -13,6 +13,7 @@ extern void my_tramp(void *); asm ( " .pushsection .text, \"ax\", @progbits\n" +" .type my_tramp, @function\n" " my_tramp:" " pushq %rbp\n" " movq %rsp, %rbp\n" @@ -21,6 +22,7 @@ asm ( " popq %rdi\n" " leave\n" " ret\n" +" .size my_tramp, .-my_tramp\n" " .popsection\n" ); |