diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2007-08-29 01:56:50 +0400 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2007-08-29 01:56:50 +0400 |
| commit | d4a278865234a6bd207dc12a0305e30f3b759284 (patch) | |
| tree | 24ab1d88d13f69724625bfc1256933739368da33 /newlib/libc/machine/x86_64/setjmp.S | |
| parent | 01cd95204efdc980ec2a0ad6bc58b37e2ac32f76 (diff) | |
2007-08-28 Hans Kester <hans.kester@ellips.nl>
* configure.host: Added support for x86_64.
* libc/include/machine/ieeefp.h: Define __IEEE_LITTLE_ENDIAN for x86_64.
* libc/include/machine/setjmp.h: Define _JBTYPE and _JBLEN for x86_64.
* libc/machine/x86_64/aclocal.m4: Generated.
* libc/machine/x86_64/configure.in: New.
* libc/machine/x86_64/configure: Generated.
* libc/machine/x86_64/Makefile.am: New.
* libc/machine/x86_64/Makefile.in: Generated.
* libc/machine/x86_64/setjmp.S: New.
* libc/machine/x86_64/memcpy.S: New.
* libc/machine/x86_64/memset.S: New.
* libc/machine/configure.in: Added support for x86_64.
* libc/machine/configure: Regenerated.
Diffstat (limited to 'newlib/libc/machine/x86_64/setjmp.S')
| -rw-r--r-- | newlib/libc/machine/x86_64/setjmp.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/newlib/libc/machine/x86_64/setjmp.S b/newlib/libc/machine/x86_64/setjmp.S new file mode 100644 index 000000000..5f5e03df5 --- /dev/null +++ b/newlib/libc/machine/x86_64/setjmp.S @@ -0,0 +1,53 @@ +/* + * ==================================================== + * Copyright (C) 2007 by Ellips BV. All rights reserved. + * + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + + /* + ** jmp_buf: + ** rbx rbp r12 r13 r14 r15 rsp rip + ** 0 8 16 24 32 40 48 56 + */ + + #include "x86_64mach.h" + + .global SYM (setjmp) + .global SYM (longjmp) + SOTYPE_FUNCTION(setjmp) + SOTYPE_FUNCTION(longjmp) + +SYM (setjmp): + movq rbx, 0 (rdi) + movq rbp, 8 (rdi) + movq r12, 16 (rdi) + movq r13, 24 (rdi) + movq r14, 32 (rdi) + movq r15, 40 (rdi) + leaq 8 (rsp), rax + movq rax, 48 (rdi) + movq (rsp), rax + movq rax, 56 (rdi) + movq $0, rax + ret + +SYM (longjmp): + movq rsi, rax /* Return value */ + + movq 8 (rdi), rbp + + __CLI + movq 48 (rdi), rsp + pushq 56 (rdi) + movq 0 (rdi), rbx + movq 16 (rdi), r12 + movq 24 (rdi), r13 + movq 32 (rdi), r14 + movq 40 (rdi), r15 + __STI + + ret |