diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sh/makecontext.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/sh/makecontext.S | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/sysdeps/unix/sysv/linux/sh/makecontext.S b/sysdeps/unix/sysv/linux/sh/makecontext.S deleted file mode 100644 index 877d78d..0000000 --- a/sysdeps/unix/sysv/linux/sh/makecontext.S +++ /dev/null @@ -1,145 +0,0 @@ -/* Create new context. - Copyright (C) 2005 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <sysdep.h> - -#include "ucontext_i.h" - -/* void __makecontext (struct ucontext *ucp, void (*func)(), int argc, ...); - __makecontext sets up a stack and registers for context to run a given - function. The registers are set up like this: - r4-r7: parameters 1 to 4 - r8 : uc_link from ucontext structure - pc : (*func) pointer - pr : address of exitcode - r15 : stack pointer for func. */ - - .text - .align 5 -ENTRY(__makecontext) - mov #4, r3 - mov.l @(oSS_SP,r4), r1 - mov.l @(oSS_SIZE,r4), r2 - add r1, r2 - cmp/gt r6, r3 - bf/s 1f - shlr2 r2 - sub r6, r2 - add r3, r2 -1: - shll2 r2 - mov #oR15, r0 - mov.l @(oLINK,r4), r1 - mov.l r2, @(r0,r4) - mov.l r1, @(oR8,r4) - mov #oPC, r0 - mov.l r5, @(r0,r4) - - cmp/pl r6 - bf/s .L1 - dt r6 - mov.l r7, @(oR4,r4) - cmp/pl r6 - bf/s .L1 - dt r6 - mov.l @(0,r15), r1 - mov.l r1, @(oR5,r4) - cmp/pl r6 - bf/s .L1 - dt r6 - mov.l @(4,r15), r1 - mov.l r1, @(oR6,r4) - cmp/pl r6 - bf/s .L1 - dt r6 - mov.l @(8,r15), r1 - mov.l r1, @(oR7,r4) - mov #12,r0 -.L0: - cmp/pl r6 - bf/s .L1 - dt r6 - mov.l @(r0,r15), r1 - mov.l r1, @r2 - add #4, r0 - bra .L0 - add #4, r2 -.L1: -#ifdef PIC - mova .Lexitcode, r0 -#else - mov.l .L2, r0 -#endif - add #oPR, r4 - rts - mov.l r0, @r4 -#ifndef PIC - .align 2 -.L2: - .long .Lexitcode -#endif - cfi_endproc - - .align 5 -.Lexitcode: - tst r8, r8 - bt/s 2f - mov r8, r4 -#ifdef PIC - mova .Lgot, r0 - mov.l .Lgot, r12 - add r0, r12 - mov.l .L3, r1 - bsrf r1 -.LPCS0: - nop -#else - mov.l .L3, r1 - jsr @r1 - nop -#endif -2: - mov.l .L4, r1 -#ifdef PIC - add r12, r1 -#endif - jsr @r1 - mov r0, r4 -0: - bra 0b - nop - - .align 2 -#ifdef PIC -.Lgot: - .long _GLOBAL_OFFSET_TABLE_ -.L3: - .long __setcontext@PLT-(.LPCS0+2-(.)) -.L4: - .long HIDDEN_JUMPTARGET(exit)@GOTOFF -#else -.L3: - .long __setcontext -.L4: - .long HIDDEN_JUMPTARGET(exit) -#endif - cfi_startproc -PSEUDO_END(__makecontext) - -weak_alias (__makecontext, makecontext) |