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sys/x86/x86/stack_machdep.c
| Context not available. | |||||
| #endif | #endif | ||||
| stack_capture(curthread, st, fp); | stack_capture(curthread, st, fp); | ||||
| } | } | ||||
| instruction_ptr | |||||
| stack_frame_caller_ip(stack_frame_ptr frame) | |||||
| { | |||||
| /* | |||||
| * In x86 stacks, what is stored on the stack is not the | |||||
| * address of the call, but rather the return address, | |||||
| * i.e. what the ip should be after the call. To account for | |||||
| * this, decrement the address by 1 so that it will resolve to | |||||
| * the call instruction, not the one after. | |||||
| */ | |||||
| return (instruction_ptr) (frame->f_retaddr - 1); | |||||
| } | |||||
| Context not available. | |||||