diff options
Diffstat (limited to 'arch/x86/include/asm/feather_trace_64.h')
| -rw-r--r-- | arch/x86/include/asm/feather_trace_64.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/x86/include/asm/feather_trace_64.h b/arch/x86/include/asm/feather_trace_64.h new file mode 100644 index 000000000000..1cffa4eec5f4 --- /dev/null +++ b/arch/x86/include/asm/feather_trace_64.h | |||
| @@ -0,0 +1,69 @@ | |||
| 1 | /* Do not directly include this file. Include feather_trace.h instead */ | ||
| 2 | |||
| 3 | /* regparm is the default on x86_64 */ | ||
| 4 | #define feather_callback | ||
| 5 | |||
| 6 | # define _EVENT_TABLE(id,from,to) \ | ||
| 7 | ".section __event_table, \"aw\"\n\t" \ | ||
| 8 | ".balign 8\n\t" \ | ||
| 9 | ".quad " #id ", 0, " #from ", " #to " \n\t" \ | ||
| 10 | ".previous \n\t" | ||
| 11 | |||
| 12 | /* | ||
| 13 | * x86_64 callee only owns rbp, rbx, r12 -> r15 | ||
| 14 | * the called can freely modify the others | ||
| 15 | */ | ||
| 16 | #define CLOBBER_LIST "memory", "cc", "rdi", "rsi", "rdx", "rcx", \ | ||
| 17 | "r8", "r9", "r10", "r11", "rax" | ||
| 18 | |||
| 19 | #define ft_event(id, callback) \ | ||
| 20 | __asm__ __volatile__( \ | ||
| 21 | "1: jmp 2f \n\t" \ | ||
| 22 | " call " #callback " \n\t" \ | ||
| 23 | _EVENT_TABLE(id,1b,2f) \ | ||
| 24 | "2: \n\t" \ | ||
| 25 | : : : CLOBBER_LIST) | ||
| 26 | |||
| 27 | #define ft_event0(id, callback) \ | ||
| 28 | __asm__ __volatile__( \ | ||
| 29 | "1: jmp 2f \n\t" \ | ||
| 30 | " movq $" #id ", %%rdi \n\t" \ | ||
| 31 | " call " #callback " \n\t" \ | ||
| 32 | _EVENT_TABLE(id,1b,2f) \ | ||
| 33 | "2: \n\t" \ | ||
| 34 | : : : CLOBBER_LIST) | ||
| 35 | |||
| 36 | #define ft_event1(id, callback, param) \ | ||
| 37 | __asm__ __volatile__( \ | ||
| 38 | "1: jmp 2f \n\t" \ | ||
| 39 | " movq %0, %%rsi \n\t" \ | ||
| 40 | " movq $" #id ", %%rdi \n\t" \ | ||
| 41 | " call " #callback " \n\t" \ | ||
| 42 | _EVENT_TABLE(id,1b,2f) \ | ||
| 43 | "2: \n\t" \ | ||
| 44 | : : "r" (param) : CLOBBER_LIST) | ||
| 45 | |||
| 46 | #define ft_event2(id, callback, param, param2) \ | ||
| 47 | __asm__ __volatile__( \ | ||
| 48 | "1: jmp 2f \n\t" \ | ||
| 49 | " movq %1, %%rdx \n\t" \ | ||
| 50 | " movq %0, %%rsi \n\t" \ | ||
| 51 | " movq $" #id ", %%rdi \n\t" \ | ||
| 52 | " call " #callback " \n\t" \ | ||
| 53 | _EVENT_TABLE(id,1b,2f) \ | ||
| 54 | "2: \n\t" \ | ||
| 55 | : : "r" (param), "r" (param2) : CLOBBER_LIST) | ||
| 56 | |||
| 57 | #define ft_event3(id, callback, p, p2, p3) \ | ||
| 58 | __asm__ __volatile__( \ | ||
| 59 | "1: jmp 2f \n\t" \ | ||
| 60 | " movq %2, %%rcx \n\t" \ | ||
| 61 | " movq %1, %%rdx \n\t" \ | ||
| 62 | " movq %0, %%rsi \n\t" \ | ||
| 63 | " movq $" #id ", %%rdi \n\t" \ | ||
| 64 | " call " #callback " \n\t" \ | ||
| 65 | _EVENT_TABLE(id,1b,2f) \ | ||
| 66 | "2: \n\t" \ | ||
| 67 | : : "r" (p), "r" (p2), "r" (p3) : CLOBBER_LIST) | ||
| 68 | |||
| 69 | #define __ARCH_HAS_FEATHER_TRACE | ||