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sys/cddl/dev/dtrace/amd64/dtrace_asm.S
| Show All 31 Lines | |||||
| #include <machine/asmacros.h> | #include <machine/asmacros.h> | ||||
| #include <sys/cpuvar_defs.h> | #include <sys/cpuvar_defs.h> | ||||
| #include <sys/dtrace.h> | #include <sys/dtrace.h> | ||||
| #include "assym.inc" | #include "assym.inc" | ||||
| #define INTR_POP \ | #define INTR_POP \ | ||||
| MEXITCOUNT; \ | |||||
| movq TF_RDI(%rsp),%rdi; \ | movq TF_RDI(%rsp),%rdi; \ | ||||
| movq TF_RSI(%rsp),%rsi; \ | movq TF_RSI(%rsp),%rsi; \ | ||||
| movq TF_RDX(%rsp),%rdx; \ | movq TF_RDX(%rsp),%rdx; \ | ||||
| movq TF_RCX(%rsp),%rcx; \ | movq TF_RCX(%rsp),%rcx; \ | ||||
| movq TF_R8(%rsp),%r8; \ | movq TF_R8(%rsp),%r8; \ | ||||
| movq TF_R9(%rsp),%r9; \ | movq TF_R9(%rsp),%r9; \ | ||||
| movq TF_RAX(%rsp),%rax; \ | movq TF_RAX(%rsp),%rax; \ | ||||
| movq TF_RBX(%rsp),%rbx; \ | movq TF_RBX(%rsp),%rbx; \ | ||||
| Show All 18 Lines | 1: addq $TF_RIP,%rsp; | ||||
| * the value to indicate the address of the int3 (0xcc) instruction | * the value to indicate the address of the int3 (0xcc) instruction | ||||
| * that we substituted. | * that we substituted. | ||||
| */ | */ | ||||
| movq TF_RIP(%rsp), %rdi | movq TF_RIP(%rsp), %rdi | ||||
| decq %rdi | decq %rdi | ||||
| movq %rsp, %rsi | movq %rsp, %rsi | ||||
| movq TF_RAX(%rsp), %rdx | movq TF_RAX(%rsp), %rdx | ||||
| call dtrace_invop | call dtrace_invop | ||||
| ALTENTRY(dtrace_invop_callsite) | ENTRY(dtrace_invop_callsite) | ||||
| cmpl $DTRACE_INVOP_PUSHL_EBP, %eax | cmpl $DTRACE_INVOP_PUSHL_EBP, %eax | ||||
| je bp_push | je bp_push | ||||
| cmpl $DTRACE_INVOP_LEAVE, %eax | cmpl $DTRACE_INVOP_LEAVE, %eax | ||||
| je bp_leave | je bp_leave | ||||
| cmpl $DTRACE_INVOP_NOP, %eax | cmpl $DTRACE_INVOP_NOP, %eax | ||||
| je bp_nop | je bp_nop | ||||
| cmpl $DTRACE_INVOP_RET, %eax | cmpl $DTRACE_INVOP_RET, %eax | ||||
| je bp_ret | je bp_ret | ||||
| ▲ Show 20 Lines • Show All 340 Lines • Show Last 20 Lines | |||||