split __setjmp and __longjmp into separate assembly files under src/setjmp

2 files changed, 52 insertions, 0 deletions

diff --git a/src/setjmp/__longjmp.x86-64.s b/src/setjmp/__longjmp.x86-64.s
new file mode 100644
index 00000000..de666dce
--- /dev/null
+++ b/src/setjmp/__longjmp.x86-64.s
@@ -0,0 +1,26 @@
+.global __longjmp
+__longjmp:
+	mov %rdi, %rax
+	mov 0x08(%rax), %rbx
+	mov 0x18(%rax), %rdx
+	mov 0x20(%rax), %rsp
+	mov 0x28(%rax), %rbp
+	mov 0x30(%rax), %rsi
+	mov 0x38(%rax), %rdi
+	mov 0x40(%rax), %r8
+	mov 0x48(%rax), %r9
+	mov 0x50(%rax), %r10
+	mov 0x58(%rax), %r11
+	mov 0x60(%rax), %r12
+	mov 0x68(%rax), %r13
+	mov 0x70(%rax), %r14
+	mov 0x78(%rax), %r15
+	mov 0x80(%rax), %rcx
+	mov %rcx, 0x00(%rbp)
+	mov 0x88(%rax), %rcx
+	mov %rcx, 0x08(%rbp)
+	mov 0x90(%rax), %rcx
+	mov %rcx, 0x00(%rsp)
+	mov 0x10(%rax), %rcx
+	mov 0x00(%rax), %rax
+	ret
diff --git a/src/setjmp/__setjmp.x86-64.s b/src/setjmp/__setjmp.x86-64.s
new file mode 100644
index 00000000..d5b095e1
--- /dev/null
+++ b/src/setjmp/__setjmp.x86-64.s
@@ -0,0 +1,26 @@
+.global __setjmp
+__setjmp:
+	/* setjmp() in C sets env[0] to 0 */
+	mov %rbx, 0x08(%rdi)
+	mov %rcx, 0x10(%rdi)
+	mov %rdx, 0x18(%rdi)
+	mov %rsp, 0x20(%rdi)
+	mov %rbp, 0x28(%rdi)
+	mov %rsi, 0x30(%rdi)
+	mov %rdi, 0x38(%rdi)
+	mov %r8,  0x40(%rdi)
+	mov %r9,  0x48(%rdi)
+	mov %r10, 0x50(%rdi)
+	mov %r11, 0x58(%rdi)
+	mov %r12, 0x60(%rdi)
+	mov %r13, 0x68(%rdi)
+	mov %r14, 0x70(%rdi)
+	mov %r15, 0x78(%rdi)
+	mov 0x00(%rbp), %rax
+	mov %rax, 0x80(%rdi)
+	mov 0x08(%rbp), %rax
+	mov %rax, 0x88(%rdi)
+	mov 0x00(%rsp), %rax
+	mov %rax, 0x90(%rdi)
+	xor %rax, %rax
+	ret