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/linux/Documentation/trace/
H A Dftrace-design.rst37 You will need to implement the mcount and the ftrace_stub functions.
39 The exact mcount symbol name will depend on your toolchain. Some call it
40 "mcount", "_mcount", or even "__mcount". You can probably figure it out by
43 $ echo 'main(){}' | gcc -x c -S -o - - -pg | grep mcount
44 call mcount
46 We'll make the assumption below that the symbol is "mcount" just to keep things
49 Keep in mind that the ABI that is in effect inside of the mcount function is
54 mcount call (before/after function prologue). You might also want to look at
55 how glibc has implemented the mcount function for your architecture. It might
58 The mcount function should check the function pointer ftrace_trace_function
[all …]
/linux/arch/sparc/lib/
H A Dmcount.S22 .globl mcount symbol
23 .type mcount,#function
24 EXPORT_SYMBOL(mcount)
26 mcount: label
71 .size mcount,.-mcount
/linux/arch/um/kernel/
H A Dgprof_syms.c8 extern void mcount(void);
9 EXPORT_SYMBOL(mcount);
/linux/arch/parisc/include/asm/
H A Dftrace.h6 extern void mcount(void);
8 #define MCOUNT_ADDR ((unsigned long)mcount)
/linux/arch/sh/include/asm/
H A Dftrace.h11 extern void mcount(void);
13 #define MCOUNT_ADDR ((unsigned long)(mcount))
/linux/include/linux/
H A Drethook.h65 void rethook_hook(struct rethook_node *node, struct pt_regs *regs, bool mcount);
70 void arch_rethook_prepare(struct rethook_node *node, struct pt_regs *regs, bool mcount);
/linux/arch/sh/lib/
H A Dmcount.S82 .globl mcount
83 .type mcount,@function
85 mcount: label
H A DMakefile29 lib-$(CONFIG_MCOUNT) += mcount.o
/linux/tools/objtool/
H A Dbuiltin-check.c80 OPT_BOOLEAN('m', "mcount", &opts.mcount, "annotate mcount/fentry calls for ftrace"),
102 OPT_BOOLEAN(0, "mnop", &opts.mnop, "nop out mcount call sites"),
148 if (opts.mnop && !opts.mcount) { in opts_valid()
149 ERROR("--mnop requires --mcount"); in opts_valid()
188 opts.mcount || in opts_valid()
/linux/arch/riscv/kernel/probes/
H A Drethook.h6 void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount);
H A Drethook.c18 void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount) in arch_rethook_prepare() argument
/linux/arch/loongarch/kernel/
H A Drethook.h6 void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount);
H A Drethook.c17 void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount) in arch_rethook_prepare() argument
/linux/arch/xtensa/include/asm/
H A Dftrace.h27 #define mcount _mcount macro
/linux/arch/csky/abiv2/
H A DMakefile14 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o
/linux/arch/s390/kernel/
H A Drethook.c6 void arch_rethook_prepare(struct rethook_node *rh, struct pt_regs *regs, bool mcount) in arch_rethook_prepare() argument
/linux/tools/objtool/include/objtool/
H A Dbuiltin.h20 bool mcount;
17 bool mcount; global() member
/linux/arch/sparc/include/asm/
H A Dasm-prototypes.h29 void mcount(void);
/linux/drivers/mtd/nand/onenand/
H A Donenand_samsung.c383 int i, mcount, scount; in s3c_onenand_command() local
417 mcount = mtd->writesize >> 2; in s3c_onenand_command()
423 for (i = 0; i < mcount; i++) in s3c_onenand_command()
430 for (i = 0; i < mcount; i++) in s3c_onenand_command()
442 for (i = 0; i < mcount; i++) in s3c_onenand_command()
450 for (i = 0; i < mcount; i++) in s3c_onenand_command()
/linux/arch/powerpc/kernel/
H A Drethook.c31 void arch_rethook_prepare(struct rethook_node *rh, struct pt_regs *regs, bool mcount) in arch_rethook_prepare() argument
/linux/kernel/trace/
H A Drethook.c197 void rethook_hook(struct rethook_node *node, struct pt_regs *regs, bool mcount) in rethook_hook() argument
199 arch_rethook_prepare(node, regs, mcount); in rethook_hook()
/linux/arch/riscv/kernel/
H A DMakefile98 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
99 obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o
/linux/arch/microblaze/kernel/
H A DMakefile26 obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o mcount.o
/linux/arch/x86/kernel/
H A Drethook.c117 void arch_rethook_prepare(struct rethook_node *rh, struct pt_regs *regs, bool mcount) in arch_rethook_prepare() argument
/linux/arch/loongarch/include/asm/
H A Dftrace.h21 #define mcount _mcount macro

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