Peter Zijlstra 03c5c33e04 objtool: Default ignore INT3 for unreachable ...

commit 1ffbe4e935f9b7308615c75be990aec07464d1e7 upstream.

Ignore all INT3 instructions for unreachable code warnings, similar to NOP.
This allows using INT3 for various paddings instead of NOPs.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154317.343312938@infradead.org
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-07-25 11:26:31 +02:00

..

arch/x86

objtool: Add straight-line-speculation validation

2022-07-25 11:26:30 +02:00

Documentation

objtool: Support stack layout changes in alternatives

2022-07-25 11:26:06 +02:00

.gitignore

.gitignore: add SPDX License Identifier

2020-03-25 11:50:48 +01:00

arch.h

objtool: Add straight-line-speculation validation

2022-07-25 11:26:30 +02:00

Build

objtool: Enable compilation of objtool for all architectures

2020-05-20 09:17:28 -05:00

builtin-check.c

objtool: Add straight-line-speculation validation

2022-07-25 11:26:30 +02:00

builtin-orc.c

objtool: Refactor ORC section generation

2022-07-25 11:26:05 +02:00

builtin.h

objtool: Add straight-line-speculation validation

2022-07-25 11:26:30 +02:00

cfi.h

objtool: Introduce CFI hash

2022-07-25 11:26:22 +02:00

check.c

objtool: Default ignore INT3 for unreachable

2022-07-25 11:26:31 +02:00

check.h

objtool: Introduce CFI hash

2022-07-25 11:26:22 +02:00

elf.c

objtool,x86: Replace alternatives with .retpoline_sites

2022-07-25 11:26:23 +02:00

elf.h

objtool,x86: Replace alternatives with .retpoline_sites

2022-07-25 11:26:23 +02:00

Makefile

objtool: Refactor ORC section generation

2022-07-25 11:26:05 +02:00

objtool.c

objtool: Keep track of retpoline call sites

2022-07-25 11:26:17 +02:00

objtool.h

objtool: Keep track of retpoline call sites

2022-07-25 11:26:17 +02:00

orc_dump.c

objtool: Make unwind hint definitions available to other architectures

2020-09-10 10:43:13 -05:00

orc_gen.c

objtool: Introduce CFI hash

2022-07-25 11:26:22 +02:00

special.c

objtool,x86: Replace alternatives with .retpoline_sites

2022-07-25 11:26:23 +02:00

special.h

objtool: Refactor jump table code to support other architectures

2020-09-10 10:43:13 -05:00

sync-check.sh

x86/insn: Add a __ignore_sync_check__ marker

2022-07-25 11:26:11 +02:00

warn.h

objtool: Rename find_containing_func()

2020-03-25 18:28:29 +01:00

weak.c

objtool: Refactor ORC section generation

2022-07-25 11:26:05 +02:00