[pkgsrc/trunk]: pkgsrc/devel/lwp/patches Add support for x86_64 (amd64) archi...

[blymn <blymn%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/81c50b9685a9
branches:  trunk
changeset: 485122:81c50b9685a9
user:      blymn <blymn%pkgsrc.org@localhost>
date:      Sat Dec 04 11:54:54 2004 +0000

description:
Add support for x86_64 (amd64) architecture

diffstat:

 devel/lwp/patches/patch-aa |  89 ++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 89 insertions(+), 0 deletions(-)

diffs (93 lines):

diff -r 55530109d9a5 -r 81c50b9685a9 devel/lwp/patches/patch-aa
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/devel/lwp/patches/patch-aa        Sat Dec 04 11:54:54 2004 +0000
@@ -0,0 +1,89 @@
+$NetBSD: patch-aa,v 1.3 2004/12/04 11:54:54 blymn Exp $
+
+--- src/process.S.orig 2001-10-05 06:44:08.000000000 +0930
++++ src/process.S
+@@ -400,7 +400,83 @@ returnto:
+       .end    returnto
+ #endif /* mips */
+ 
+-#ifdef        i386
++#if   defined(__amd64)
++
++#include <machine/asm.h>
++
++/*
++   savecontext(f, area1, newsp)
++      int (*f)();
++      struct savearea *area1;
++      char *newsp;
++
++      f will be in %rdi
++      *area1 will be in %rsi
++      *newsp will be in %rdx
++*/
++      
++        .text
++ENTRY(savecontext)
++      pushq   %rsp
++      pushq   %rax
++      pushq   %rcx
++      pushq   %rdx
++      pushq   %rbx
++      pushq   %rbp
++      pushq   %rsi
++      pushq   %rdi
++      pushq   %r8
++      pushq   %r9
++      pushq   %r10
++      pushq   %r11
++      pushq   %r12
++      pushq   %r13
++      pushq   %r14
++      pushq   %r15
++              
++      movq    %rsp, (%rsi)    /* Store sp in savearea. */
++
++      cmpq    $0, %rdx        /* Check if newsp is NULL */
++      je      L1                      /* Don't change the stack if newsp is zero. */
++      movq    %rdx, %rsp
++
++L1:   xorq    %rbp, %rbp              /* clear stackframe */
++      call    *%rdi                   /* f(); */
++
++        /* Trigger a segfault, we shouldn't get here anyway. */
++        movq    $0, 0
++
++/*
++  returnto(area2)
++     struct savearea *area2;
++
++      area2 will be in %rdi
++*/
++#define       area2   8
++
++ENTRY(returnto)
++      mov     (%rdi), %rsp    /* Restore stack pointer. */
++      popq    %r15
++      popq    %r14
++      popq    %r13
++      popq    %r12
++      popq    %r11
++      popq    %r10
++      popq    %r9
++      popq    %r8
++      popq    %rdi
++      popq    %rsi
++      popq    %rbp
++      popq    %rbx
++      popq    %rdx
++      popq    %rcx
++      popq    %rax
++      popq    %rsp
++      ret
++
++#endif /* amd64 */
++
++#if   defined(i386)
+               
+ /*
+    savecontext(f, area1, newsp)