| /Linux-v5.4/arch/ia64/kernel/ |
| D | ftrace.c | 22 ftrace_orig_code[MCOUNT_INSN_SIZE] = {
41 static unsigned char ftrace_nop_code[MCOUNT_INSN_SIZE] = {
60 ftrace_call_code[MCOUNT_INSN_SIZE] = {
97 unsigned char replaced[MCOUNT_INSN_SIZE]; in ftrace_modify_code()
111 if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) in ftrace_modify_code()
115 if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) in ftrace_modify_code()
120 if (probe_kernel_write(((void *)ip), new_code, MCOUNT_INSN_SIZE)) in ftrace_modify_code()
122 flush_icache_range(ip, ip + MCOUNT_INSN_SIZE); in ftrace_modify_code()
129 unsigned char __attribute__((aligned(8))) replaced[MCOUNT_INSN_SIZE]; in ftrace_make_nop_check()
132 if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) in ftrace_make_nop_check()
[all …]
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| /Linux-v5.4/arch/sh/kernel/ |
| D | ftrace.c | 27 static unsigned char ftrace_replaced_code[MCOUNT_INSN_SIZE];
50 __raw_writel(ip + MCOUNT_INSN_SIZE, ftrace_nop); in ftrace_nop_replace()
123 MCOUNT_INSN_SIZE); in ftrace_mod_code()
195 unsigned char replaced[MCOUNT_INSN_SIZE]; in ftrace_modify_code()
206 if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) in ftrace_modify_code()
210 if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) in ftrace_modify_code()
217 flush_icache_range(ip, ip + MCOUNT_INSN_SIZE); in ftrace_modify_code()
225 unsigned char old[MCOUNT_INSN_SIZE], *new; in ftrace_update_ftrace_func()
227 memcpy(old, (unsigned char *)ip, MCOUNT_INSN_SIZE); in ftrace_update_ftrace_func()
269 unsigned char code[MCOUNT_INSN_SIZE]; in ftrace_mod()
[all …]
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| /Linux-v5.4/arch/x86/kernel/ |
| D | ftrace.c | 61 char code[MCOUNT_INSN_SIZE];
79 calc.offset = ftrace_calc_offset(ip + MCOUNT_INSN_SIZE, addr); in ftrace_text_replace()
121 unsigned char replaced[MCOUNT_INSN_SIZE]; in ftrace_modify_code_direct()
134 if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) in ftrace_modify_code_direct()
138 if (memcmp(replaced, old_code, MCOUNT_INSN_SIZE) != 0) in ftrace_modify_code_direct()
144 if (probe_kernel_write((void *)ip, new_code, MCOUNT_INSN_SIZE)) in ftrace_modify_code_direct()
249 unsigned char old[MCOUNT_INSN_SIZE]; in update_ftrace_func()
252 memcpy(old, (void *)ip, MCOUNT_INSN_SIZE); in update_ftrace_func()
341 unsigned char replaced[MCOUNT_INSN_SIZE]; in add_break()
344 if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) in add_break()
[all …]
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| D | ftrace_32.S | 64 subl $MCOUNT_INSN_SIZE, %eax
136 subl $MCOUNT_INSN_SIZE, %eax
176 subl $MCOUNT_INSN_SIZE, %eax
|
| /Linux-v5.4/arch/nds32/kernel/ |
| D | ftrace.c | 25 ftrace_trace_function(ip - MCOUNT_INSN_SIZE, parent_ip, in _mcount()
65 "addi $r0, %1, #-" XSTR(MCOUNT_INSN_SIZE) "\n\t" in _ftrace_caller()
146 if (probe_kernel_read(orig_insn, (void *)pc, MCOUNT_INSN_SIZE)) in __ftrace_modify_code()
148 if (memcmp(orig_insn, old_insn, MCOUNT_INSN_SIZE)) in __ftrace_modify_code()
152 if (probe_kernel_write((void *)pc, new_insn, MCOUNT_INSN_SIZE)) in __ftrace_modify_code()
167 flush_icache_range(pc, pc + MCOUNT_INSN_SIZE); in ftrace_modify_code()
230 (unsigned long)(__builtin_return_address(1) - MCOUNT_INSN_SIZE); in ftrace_graph_caller()
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| /Linux-v5.4/arch/s390/include/asm/ |
| D | ftrace.h | 8 #define MCOUNT_INSN_SIZE 6 macro
10 #define MCOUNT_INSN_SIZE 24 macro
59 insn->disp = MCOUNT_INSN_SIZE / 2; in ftrace_generate_nop_insn()
71 if (insn->disp == MCOUNT_INSN_SIZE / 2) in is_ftrace_nop()
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| /Linux-v5.4/arch/riscv/kernel/ |
| D | ftrace.c | 27 if (probe_kernel_read(replaced, (void *)hook_pos, MCOUNT_INSN_SIZE)) in ftrace_check_current_call()
55 MCOUNT_INSN_SIZE); in __ftrace_modify_call()
61 flush_icache_range((void *)hook_pos, (void *)hook_pos + MCOUNT_INSN_SIZE); in __ftrace_modify_call()
|
| /Linux-v5.4/arch/powerpc/kernel/ |
| D | kprobes-ftrace.c | 34 regs->nip -= MCOUNT_INSN_SIZE; in kprobe_ftrace_handler()
43 regs->nip += MCOUNT_INSN_SIZE; in kprobe_ftrace_handler()
|
| /Linux-v5.4/arch/powerpc/kernel/trace/ |
| D | ftrace_64_pg.S | 24 subi r3, r3, MCOUNT_INSN_SIZE
47 subi r4, r4, MCOUNT_INSN_SIZE
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| D | ftrace_32.S | 31 subi r3, r3, MCOUNT_INSN_SIZE
56 subi r4, r4, MCOUNT_INSN_SIZE
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| D | ftrace_64_mprofile.S | 83 subi r3, r7, MCOUNT_INSN_SIZE
179 subi r3, r7, MCOUNT_INSN_SIZE
301 subi r4, r4, MCOUNT_INSN_SIZE
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| /Linux-v5.4/arch/arm/kernel/ |
| D | ftrace.c | 93 if (probe_kernel_read(&replaced, (void *)pc, MCOUNT_INSN_SIZE)) in ftrace_modify_code()
100 if (probe_kernel_write((void *)pc, &new, MCOUNT_INSN_SIZE)) in ftrace_modify_code()
103 flush_icache_range(pc, pc + MCOUNT_INSN_SIZE); in ftrace_modify_code()
|
| /Linux-v5.4/arch/s390/kernel/ |
| D | mcount.S | 48 aghik %r2,%r0,-MCOUNT_INSN_SIZE
53 aghi %r2,-MCOUNT_INSN_SIZE
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| /Linux-v5.4/arch/microblaze/include/asm/ |
| D | ftrace.h | 8 #define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */ macro
|
| /Linux-v5.4/arch/csky/include/asm/ |
| D | ftrace.h | 7 #define MCOUNT_INSN_SIZE 14 macro
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| /Linux-v5.4/arch/sparc/include/asm/ |
| D | ftrace.h | 7 #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ macro
|
| /Linux-v5.4/arch/parisc/include/asm/ |
| D | ftrace.h | 9 #define MCOUNT_INSN_SIZE 4 macro
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| /Linux-v5.4/arch/ia64/include/asm/ |
| D | ftrace.h | 6 #define MCOUNT_INSN_SIZE 32 /* sizeof mcount call */ macro
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| /Linux-v5.4/arch/xtensa/include/asm/ |
| D | ftrace.h | 32 #define MCOUNT_INSN_SIZE 3 macro
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| /Linux-v5.4/arch/arm64/include/asm/ |
| D | ftrace.h | 15 #define MCOUNT_INSN_SIZE AARCH64_INSN_SIZE macro
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| /Linux-v5.4/arch/sh/include/asm/ |
| D | ftrace.h | 7 #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ macro
|
| /Linux-v5.4/arch/nds32/include/asm/ |
| D | ftrace.h | 14 #define MCOUNT_INSN_SIZE 12 macro
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| /Linux-v5.4/arch/arm/include/asm/ |
| D | ftrace.h | 11 #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ macro
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| /Linux-v5.4/arch/riscv/include/asm/ |
| D | ftrace.h | 65 #define MCOUNT_INSN_SIZE 8 macro
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| /Linux-v5.4/arch/xtensa/kernel/ |
| D | mcount.S | 41 addi a6, a6, -MCOUNT_INSN_SIZE
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