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| author |   Daniel Ahlberg <aliz@gentoo.org> | 2004-01-02 10:48:06 +0000 |
|---|---|---|
| committer | Daniel Ahlberg <aliz@gentoo.org> | 2004-01-02 10:48:06 +0000 |
| commit | c48e6f05364bb68cd0a387a8899ecb703ec2e7e3 (patch) | |
| tree | 2aa58e41148cb4911ade126769cc277ac5da66c8 /sys-libs/lwp/files | |
| parent | Adding amd64 keyword, closing #36525 (diff) | |
| download | gentoo-2-c48e6f05364bb68cd0a387a8899ecb703ec2e7e3.tar.gz gentoo-2-c48e6f05364bb68cd0a387a8899ecb703ec2e7e3.tar.bz2 gentoo-2-c48e6f05364bb68cd0a387a8899ecb703ec2e7e3.zip | |
Adding amd64 keyword, closing #34542
Diffstat (limited to 'sys-libs/lwp/files')
| -rw-r--r-- | sys-libs/lwp/files/lwp-1.10-amd64.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sys-libs/lwp/files/lwp-1.10-amd64.patch b/sys-libs/lwp/files/lwp-1.10-amd64.patch new file mode 100644 index 000000000000..acd7c7de10ac --- /dev/null +++ b/sys-libs/lwp/files/lwp-1.10-amd64.patch @@ -0,0 +1,81 @@ +--- lwp-1.9/src/process.S.amd64 2001-10-04 23:14:08.000000000 +0200 ++++ lwp-1.9/src/process.S 2003-09-26 17:18:35.000000000 +0200 +@@ -472,6 +472,61 @@ ENTRY(returnto) + #endif /* i386 */ + + ++#if defined(__x86_64__) ++ ++#ifdef __linux__ ++#include <linux/linkage.h> ++#endif ++ ++#define FRAME_SIZE (8*8) ++ ++/* ++ savecontext(f, area1, newsp) ++ int (*f)(); ++ struct savearea *area1; ++ char *newsp; ++ ++*/ ++ ++#define f rdi ++#define area1 rsi ++#define newsp rdx ++#define topstack 0 ++ ++ .text ++ENTRY(savecontext) ++ sub $FRAME_SIZE, %rsp ++ mov %rbx, (0*8)(%rsp) /* Save registers. */ ++ mov %rbp, (1*8)(%rsp) ++ mov %r12, (2*8)(%rsp) ++ mov %r13, (3*8)(%rsp) ++ mov %r14, (4*8)(%rsp) ++ mov %r15, (5*8)(%rsp) ++ mov %rsp, topstack(%area1) /* Store sp in savearea. */ ++ cmp $0, %newsp ++ cmovne %newsp, %rsp /* Don't change the stack if newsp is zero. */ ++ jmp *%f /* f(); */ ++ ++/* ++ returnto(area2) ++ struct savearea *area2; ++*/ ++ ++#define area2 rdi ++ ++ENTRY(returnto) ++ mov topstack(%area2), %rsp /* Restore stack pointer. */ ++ mov (0*8)(%rsp), %rbx /* Restore registers. */ ++ mov (1*8)(%rsp), %rbp ++ mov (2*8)(%rsp), %r12 ++ mov (3*8)(%rsp), %r13 ++ mov (4*8)(%rsp), %r14 ++ mov (5*8)(%rsp), %r15 ++ add $FRAME_SIZE, %rsp ++ ret ++ ++#endif /* amd64 */ ++ + #ifdef luna88k + /* Luna88K Code from Dan Stodolsky via Brad White */ + +--- lwp-1.9/src/lwp.c.amd64 2001-04-02 14:16:16.000000000 +0200 ++++ lwp-1.9/src/lwp.c 2003-09-26 17:14:30.000000000 +0200 +@@ -565,6 +565,14 @@ int LWP_CreateProcess(PFIC ep, int stack + #else + pagesize = getpagesize(); + ++#if defined(__x86_64__) ++ /* [gb] Ensure minimal stack size. Heuristically determined ++ through tdb test that 2048 is too small when printf() et al. come ++ into action. */ ++ if (stacksize < pagesize) ++ stacksize = pagesize; ++#endif ++ + #ifdef MAP_ANON + stackptr = mmap(lwp_stackbase, stacksize, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANON, -1, 0); |