From: Sathvika Vasireddy <sv@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org Cc: jpoimboe@redhat.com, peterz@infradead.org, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mpe@ellerman.id.au, mingo@redhat.com, christophe.leroy@csgroup.eu, rostedt@goodmis.org, mbenes@suse.cz, npiggin@gmail.com, chenzhongjin@huawei.com, naveen.n.rao@linux.vnet.ibm.com, sv@linux.ibm.com Subject: [PATCH v6 14/16] objtool: Add arch specific function arch_ftrace_match() Date: Mon, 14 Nov 2022 23:27:52 +0530 [thread overview] Message-ID: <20221114175754.1131267-15-sv@linux.ibm.com> (raw) In-Reply-To: <20221114175754.1131267-1-sv@linux.ibm.com> Add architecture specific function to look for relocation records pointing to architecture specific symbols. Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu> Tested-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com> --- tools/objtool/arch/x86/decode.c | 5 +++++ tools/objtool/check.c | 2 +- tools/objtool/include/objtool/arch.h | 2 ++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 1c253b4b7ce0..af7ad09c926c 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -23,6 +23,11 @@ #include <objtool/builtin.h> #include <arch/elf.h> +int arch_ftrace_match(char *name) +{ + return !strcmp(name, "__fentry__"); +} + static int is_x86_64(const struct elf *elf) { switch (elf->ehdr.e_machine) { diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 2d7153b5d5d1..7580c66ca5c8 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2316,7 +2316,7 @@ static int classify_symbols(struct objtool_file *file) if (arch_is_rethunk(func)) func->return_thunk = true; - if (!strcmp(func->name, "__fentry__")) + if (arch_ftrace_match(func->name)) func->fentry = true; if (is_profiling_func(func->name)) diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h index beb2f3aa94ff..5149330f400f 100644 --- a/tools/objtool/include/objtool/arch.h +++ b/tools/objtool/include/objtool/arch.h @@ -69,6 +69,8 @@ struct stack_op { struct instruction; +int arch_ftrace_match(char *name); + void arch_initial_func_cfi_state(struct cfi_init_state *state); int arch_decode_instruction(struct objtool_file *file, const struct section *sec, -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Sathvika Vasireddy <sv@linux.ibm.com> To: linuxppc-dev@lists.ozlabs.org Cc: peterz@infradead.org, npiggin@gmail.com, linux-kernel@vger.kernel.org, aik@ozlabs.ru, mingo@redhat.com, sv@linux.ibm.com, rostedt@goodmis.org, jpoimboe@redhat.com, naveen.n.rao@linux.vnet.ibm.com, mbenes@suse.cz, chenzhongjin@huawei.com Subject: [PATCH v6 14/16] objtool: Add arch specific function arch_ftrace_match() Date: Mon, 14 Nov 2022 23:27:52 +0530 [thread overview] Message-ID: <20221114175754.1131267-15-sv@linux.ibm.com> (raw) In-Reply-To: <20221114175754.1131267-1-sv@linux.ibm.com> Add architecture specific function to look for relocation records pointing to architecture specific symbols. Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu> Tested-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com> --- tools/objtool/arch/x86/decode.c | 5 +++++ tools/objtool/check.c | 2 +- tools/objtool/include/objtool/arch.h | 2 ++ 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 1c253b4b7ce0..af7ad09c926c 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -23,6 +23,11 @@ #include <objtool/builtin.h> #include <arch/elf.h> +int arch_ftrace_match(char *name) +{ + return !strcmp(name, "__fentry__"); +} + static int is_x86_64(const struct elf *elf) { switch (elf->ehdr.e_machine) { diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 2d7153b5d5d1..7580c66ca5c8 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -2316,7 +2316,7 @@ static int classify_symbols(struct objtool_file *file) if (arch_is_rethunk(func)) func->return_thunk = true; - if (!strcmp(func->name, "__fentry__")) + if (arch_ftrace_match(func->name)) func->fentry = true; if (is_profiling_func(func->name)) diff --git a/tools/objtool/include/objtool/arch.h b/tools/objtool/include/objtool/arch.h index beb2f3aa94ff..5149330f400f 100644 --- a/tools/objtool/include/objtool/arch.h +++ b/tools/objtool/include/objtool/arch.h @@ -69,6 +69,8 @@ struct stack_op { struct instruction; +int arch_ftrace_match(char *name); + void arch_initial_func_cfi_state(struct cfi_init_state *state); int arch_decode_instruction(struct objtool_file *file, const struct section *sec, -- 2.31.1
next prev parent reply other threads:[~2022-11-14 18:02 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-14 17:57 [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 01/16] powerpc: Fix __WARN_FLAGS() for use with Objtool Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 02/16] powerpc: Override __ALIGN and __ALIGN_STR macros Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 03/16] powerpc: Fix objtool unannotated intra-function call warnings Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 04/16] powerpc: Curb " Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 05/16] powerpc: Skip objtool from running on drivers/crypto/vmx/aesp8-ppc.o Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 06/16] powerpc: Fix objtool unannotated intra-function call warnings on PPC32 Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 07/16] powerpc: Skip objtool from running on VDSO files Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 08/16] objtool: Fix SEGFAULT Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 09/16] objtool: Use target file endianness instead of a compiled constant Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 10/16] objtool: Use target file class size " Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 11/16] objtool: Add --mnop as an option to --mcount Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 12/16] objtool: Read special sections with alts only when specific options are selected Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 13/16] objtool: Use macros to define arch specific reloc types Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy [this message] 2022-11-14 17:57 ` [PATCH v6 14/16] objtool: Add arch specific function arch_ftrace_match() Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 15/16] objtool/powerpc: Enable objtool to be built on ppc Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-11-14 17:57 ` [PATCH v6 16/16] objtool/powerpc: Add --mcount specific implementation Sathvika Vasireddy 2022-11-14 17:57 ` Sathvika Vasireddy 2022-12-08 13:02 ` [PATCH v6 00/16] objtool: Enable and implement --mcount option on powerpc Michael Ellerman 2022-12-08 13:02 ` Michael Ellerman
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20221114175754.1131267-15-sv@linux.ibm.com \ --to=sv@linux.ibm.com \ --cc=aik@ozlabs.ru \ --cc=chenzhongjin@huawei.com \ --cc=christophe.leroy@csgroup.eu \ --cc=jpoimboe@redhat.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linuxppc-dev@lists.ozlabs.org \ --cc=mbenes@suse.cz \ --cc=mingo@redhat.com \ --cc=mpe@ellerman.id.au \ --cc=naveen.n.rao@linux.vnet.ibm.com \ --cc=npiggin@gmail.com \ --cc=peterz@infradead.org \ --cc=rostedt@goodmis.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.