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5b06fd3bb9cdce4f3e731c48eb5b74c4acc47997
android_kernel_xiaomi_sm8450/tools/objtool
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Peter Zijlstra 5b06fd3bb9 static_call: Handle tail-calls 
GCC can turn our static_call(name)(args...) into a tail call, in which
case we get a JMP.d32 into the trampoline (which then does a further
tail-call).

Teach objtool to recognise and mark these in .static_call_sites and
adjust the code patching to deal with this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20200818135805.101186767@infradead.org
2020-09-01 09:58:06 +02:00
..
arch/x86
Merge branch 'objtool/urgent' into objtool/core
2020-06-18 17:55:29 +02:00
Documentation
objtool: Add support for intra-function calls
2020-04-30 20:14:33 +02:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
arch.h
Merge branch 'objtool/urgent' into objtool/core
2020-06-18 17:55:29 +02:00
Build
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00
builtin-check.c
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00
builtin-orc.c
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00
builtin.h
objtool: Implement noinstr validation
2020-04-22 10:53:50 +02:00
cfi.h
objtool: Fix !CFI insn_state propagation
2020-04-22 10:53:50 +02:00
check.c
static_call: Handle tail-calls
2020-09-01 09:58:06 +02:00
check.h
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
elf.c
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
elf.h
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
Makefile
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00
objtool.c
objtool: Exit successfully when requesting help
2020-05-20 08:32:52 -05:00
objtool.h
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
orc_dump.c
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00
orc_gen.c
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
special.c
objtool: Rename rela to reloc
2020-06-01 09:40:58 -05:00
special.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13
2019-05-21 11:28:45 +02:00
sync-check.sh
x86/static_call: Add inline static call implementation for x86-64
2020-09-01 09:58:05 +02:00
warn.h
objtool: Rename find_containing_func()
2020-03-25 18:28:29 +01:00
weak.c
objtool: Enable compilation of objtool for all architectures
2020-05-20 09:17:28 -05:00