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authorJakob Kaivo <jkk@ung.org>2020-08-11 20:54:30 -0400
committerJakob Kaivo <jkk@ung.org>2020-08-11 20:54:30 -0400
commit4f50d3e580761fd3c44fe8ed0db57858c5295f25 (patch)
treeef8934a96d428ccd899de156108adc6c56d3d6c9 /src/nonstd
parentffe55c6c457e3ea5f0559c3a92cedecc2c44a776 (diff)
split __setjmp and __longjmp into separate assembly files under src/setjmp
Diffstat (limited to 'src/nonstd')
-rw-r--r--src/nonstd/x86-64.s54
1 files changed, 0 insertions, 54 deletions
diff --git a/src/nonstd/x86-64.s b/src/nonstd/x86-64.s
index 5b13587c..87ff1637 100644
--- a/src/nonstd/x86-64.s
+++ b/src/nonstd/x86-64.s
@@ -10,60 +10,6 @@ __syscall:
syscall
ret
-.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
-
-.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
-
.global _start
_start:
popq %rdi