mirror of
https://sourceware.org/git/glibc.git
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* sysdeps/unix/sysv/linux/sh/makecontext.S: New file.
* sysdeps/unix/sysv/linux/sh/sh3/getcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh4/getcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh3/setcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh4/setcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S: New file. * sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.h: New file. * sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.h: New file. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Removed. * sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/sh/sh4/sys/ucontext.h: New file.
This commit is contained in:
parent
f53d5aff8a
commit
76e95c8899
15
ChangeLog
15
ChangeLog
@ -1,3 +1,18 @@
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2005-10-16 Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/sh/makecontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh3/getcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh4/getcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh3/setcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh4/setcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S: New file.
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* sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.h: New file.
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* sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.h: New file.
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* sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Removed.
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* sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h: New file.
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* sysdeps/unix/sysv/linux/sh/sh4/sys/ucontext.h: New file.
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2005-09-13 Jakub Jelinek <jakub@redhat.com>
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2005-09-13 Jakub Jelinek <jakub@redhat.com>
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[BZ #1228]
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[BZ #1228]
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145
sysdeps/unix/sysv/linux/sh/makecontext.S
Normal file
145
sysdeps/unix/sysv/linux/sh/makecontext.S
Normal file
@ -0,0 +1,145 @@
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/* Create new context.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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|
modify it under the terms of the GNU Lesser General Public
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|
License as published by the Free Software Foundation; either
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|
version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include "ucontext_i.h"
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/* void __makecontext (struct ucontext *ucp, void (*func)(), int argc, ...);
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__makecontext sets up a stack and registers for context to run a given
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function. The registers are set up like this:
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r4-r7: parameters 1 to 4
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r8 : uc_link from ucontext structure
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pc : (*func) pointer
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pr : address of exitcode
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r15 : stack pointer for func. */
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.text
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.align 5
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cfi_startproc
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ENTRY(__makecontext)
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mov #4, r3
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mov.l @(oSS_SP,r4), r1
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mov.l @(oSS_SIZE,r4), r2
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add r1, r2
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cmp/gt r6, r3
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bf/s 1f
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shlr2 r2
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sub r6, r2
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add r3, r2
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1:
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shll2 r2
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mov #oR15, r0
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mov.l @(oLINK,r4), r1
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mov.l r2, @(r0,r4)
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mov.l r1, @(oR8,r4)
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mov #oPC, r0
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mov.l r5, @(r0,r4)
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cmp/pl r6
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bf/s .L1
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dt r6
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mov.l r7, @(oR4,r4)
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cmp/pl r6
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bf/s .L1
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dt r6
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mov.l @(0,r15), r1
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mov.l r1, @(oR5,r4)
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cmp/pl r6
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bf/s .L1
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dt r6
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mov.l @(4,r15), r1
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mov.l r1, @(oR6,r4)
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cmp/pl r6
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bf/s .L1
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dt r6
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mov.l @(8,r15), r1
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mov.l r1, @(oR7,r4)
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mov #12,r0
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.L0:
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cmp/pl r6
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bf/s .L1
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dt r6
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mov.l @(r0,r15), r1
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mov.l r1, @r2
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add #4, r0
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bra .L0
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add #4, r2
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.L1:
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#ifdef PIC
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mova .Lexitcode, r0
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#else
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mov.l .L2, r0
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#endif
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add #oPR, r4
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rts
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mov.l r0, @r4
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#ifndef PIC
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.align 2
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.L2:
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.long .Lexitcode
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#endif
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cfi_endproc
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.align 5
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.Lexitcode:
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tst r8, r8
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bt/s 2f
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mov r8, r4
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#ifdef PIC
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mova .Lgot, r0
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mov.l .Lgot, r12
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add r0, r12
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mov.l .L3, r1
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bsrf r1
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.LPCS0:
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nop
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#else
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mov.l .L3, r1
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jsr @r1
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nop
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#endif
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2:
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mov.l .L4, r1
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#ifdef PIC
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add r12, r1
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#endif
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jsr @r1
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mov r0, r4
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0:
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bra 0b
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nop
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.align 2
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#ifdef PIC
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.Lgot:
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.long _GLOBAL_OFFSET_TABLE_
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.L3:
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.long __setcontext@PLT-(.LPCS0+2-(.))
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.L4:
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.long HIDDEN_JUMPTARGET(exit)@GOTOFF
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#else
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.L3:
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.long __setcontext
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.L4:
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.long HIDDEN_JUMPTARGET(exit)
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#endif
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PSEUDO_END(__makecontext)
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weak_alias (__makecontext, makecontext)
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90
sysdeps/unix/sysv/linux/sh/sh3/getcontext.S
Normal file
90
sysdeps/unix/sysv/linux/sh/sh3/getcontext.S
Normal file
@ -0,0 +1,90 @@
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/* Save current context.
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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|
modify it under the terms of the GNU Lesser General Public
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|
License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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|
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You should have received a copy of the GNU Lesser General Public
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|
License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include "ucontext_i.h"
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/* int __getcontext (ucontext_t *uc); */
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.text
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.align 5
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cfi_startproc
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ENTRY(__getcontext)
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/* Return value of getcontext. R0 is the only register whose
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value is not preserved. */
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mov #0, r0
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mov.l r0, @(oR0,r4)
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mov.l r1, @(oR1,r4)
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mov.l r2, @(oR2,r4)
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mov.l r3, @(oR3,r4)
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mov.l r4, @(oR4,r4)
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mov.l r5, @(oR5,r4)
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mov.l r6, @(oR6,r4)
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mov.l r7, @(oR7,r4)
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mov r4, r0
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add #(oMACL+4), r0
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sts.l macl, @-r0
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sts.l mach, @-r0
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stc.l gbr, @-r0
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/* Save T flag to SR. */
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movt r1
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mov.l r1, @-r0
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sts.l pr, @-r0
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/* The return address of getcontext is the restart pc. */
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sts.l pr, @-r0
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mov.l r15, @-r0
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mov.l r14, @-r0
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mov.l r13, @-r0
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mov.l r12, @-r0
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mov.l r11, @-r0
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mov.l r10, @-r0
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mov.l r9, @-r0
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mov.l r8, @-r0
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/* sigprocmask (SIG_BLOCK, NULL, &uc->uc_sigmask). */
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mov r4, r6
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add #oSIGMASK, r6
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mov #SIG_BLOCK, r4
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mov #0, r5
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mov #+SYS_ify(sigprocmask), r3
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trapa #0x13
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mov r0, r1
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mov #-12, r2
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shad r2, r1
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||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
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||||||
|
tst r1, r1 // i.e. error in linux
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||||||
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bf .Lgetcontext_end
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||||||
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.Lsyscall_error:
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||||||
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SYSCALL_ERROR_HANDLER
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.Lgetcontext_end:
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/* All done, return 0 for success. */
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||||||
|
mov #0, r0
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|
.Lpseudo_end:
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||||||
|
rts
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||||||
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nop
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||||||
|
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||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__getcontext)
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||||||
|
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||||||
|
weak_alias (__getcontext, getcontext)
|
101
sysdeps/unix/sysv/linux/sh/sh3/setcontext.S
Normal file
101
sysdeps/unix/sysv/linux/sh/sh3/setcontext.S
Normal file
@ -0,0 +1,101 @@
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/* Install given context.
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|
Copyright (C) 2005 Free Software Foundation, Inc.
|
||||||
|
This file is part of the GNU C Library.
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||||||
|
|
||||||
|
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"
|
||||||
|
|
||||||
|
/* int __setcontext (const ucontext_t *uc); */
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 5
|
||||||
|
cfi_startproc
|
||||||
|
ENTRY(__setcontext)
|
||||||
|
|
||||||
|
mov r4, r8
|
||||||
|
|
||||||
|
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, NULL). */
|
||||||
|
mov r4, r5
|
||||||
|
add #oSIGMASK, r5
|
||||||
|
mov #SIG_SETMASK, r4
|
||||||
|
mov #0, r6
|
||||||
|
mov #+SYS_ify(sigprocmask), r3
|
||||||
|
trapa #0x13
|
||||||
|
mov r0, r1
|
||||||
|
mov #-12, r2
|
||||||
|
shad r2, r1
|
||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||||
|
tst r1, r1 // i.e. error in linux
|
||||||
|
bf .Lsetcontext_restore
|
||||||
|
.Lsyscall_error:
|
||||||
|
SYSCALL_ERROR_HANDLER
|
||||||
|
.Lpseudo_end:
|
||||||
|
rts
|
||||||
|
nop
|
||||||
|
|
||||||
|
.Lsetcontext_restore:
|
||||||
|
mov r8, r0
|
||||||
|
add #(oPC), r0
|
||||||
|
mov.l @r0+, r2
|
||||||
|
lds.l @r0+, pr
|
||||||
|
|
||||||
|
/* Restore T frag. */
|
||||||
|
mov.l @r0+, r1
|
||||||
|
shlr r1
|
||||||
|
/* Skip GBR which is used for thread pointer. */
|
||||||
|
add #4, r0
|
||||||
|
|
||||||
|
lds.l @r0+, mach
|
||||||
|
lds.l @r0+, macl
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oR9), r0
|
||||||
|
mov.l @r0+, r9
|
||||||
|
mov.l @r0+, r10
|
||||||
|
mov.l @r0+, r11
|
||||||
|
mov.l @r0+, r12
|
||||||
|
mov.l @r0+, r13
|
||||||
|
mov.l @r0+, r14
|
||||||
|
mov.l @r0+, r15
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
mov.l @(oR0,r0), r1
|
||||||
|
mov.l r1, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r1, 0)
|
||||||
|
mov.l r2, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r2, 0)
|
||||||
|
|
||||||
|
mov.l @(oR1,r0), r1
|
||||||
|
mov.l @(oR2,r0), r2
|
||||||
|
mov.l @(oR3,r0), r3
|
||||||
|
mov.l @(oR4,r0), r4
|
||||||
|
mov.l @(oR5,r0), r5
|
||||||
|
mov.l @(oR6,r0), r6
|
||||||
|
mov.l @(oR7,r0), r7
|
||||||
|
mov.l @(oR8,r0), r8
|
||||||
|
mov.l @r15+, r0
|
||||||
|
jmp @r0
|
||||||
|
mov.l @r15+, r0
|
||||||
|
|
||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__setcontext)
|
||||||
|
|
||||||
|
weak_alias (__setcontext, setcontext)
|
134
sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S
Normal file
134
sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S
Normal file
@ -0,0 +1,134 @@
|
|||||||
|
/* Save current context and install the given one.
|
||||||
|
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"
|
||||||
|
|
||||||
|
/* int __swapcontext (ucontext_t *ouc, const ucontext_t *uc); */
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 5
|
||||||
|
cfi_startproc
|
||||||
|
ENTRY(__swapcontext)
|
||||||
|
|
||||||
|
/* Return value of getcontext. R0 is the only register whose
|
||||||
|
value is not preserved. */
|
||||||
|
mov #0, r0
|
||||||
|
mov.l r0, @(oR0,r4)
|
||||||
|
mov.l r1, @(oR1,r4)
|
||||||
|
mov.l r2, @(oR2,r4)
|
||||||
|
mov.l r3, @(oR3,r4)
|
||||||
|
mov.l r4, @(oR4,r4)
|
||||||
|
mov.l r5, @(oR5,r4)
|
||||||
|
mov.l r6, @(oR6,r4)
|
||||||
|
mov.l r7, @(oR7,r4)
|
||||||
|
mov r4, r0
|
||||||
|
add #(oMACL+4), r0
|
||||||
|
sts.l macl, @-r0
|
||||||
|
sts.l mach, @-r0
|
||||||
|
stc.l gbr, @-r0
|
||||||
|
|
||||||
|
/* Save T flag to SR. */
|
||||||
|
movt r1
|
||||||
|
mov.l r1, @-r0
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
/* The return address of getcontext is the restart pc. */
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
mov.l r15, @-r0
|
||||||
|
mov.l r14, @-r0
|
||||||
|
mov.l r13, @-r0
|
||||||
|
mov.l r12, @-r0
|
||||||
|
mov.l r11, @-r0
|
||||||
|
mov.l r10, @-r0
|
||||||
|
mov.l r9, @-r0
|
||||||
|
mov.l r8, @-r0
|
||||||
|
|
||||||
|
mov r5, r8
|
||||||
|
|
||||||
|
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, &ouc->uc_sigmask). */
|
||||||
|
add #oSIGMASK, r5
|
||||||
|
mov r4, r6
|
||||||
|
add #oSIGMASK, r6
|
||||||
|
mov #SIG_SETMASK, r4
|
||||||
|
mov #+SYS_ify(sigprocmask), r3
|
||||||
|
trapa #0x13
|
||||||
|
mov r0, r1
|
||||||
|
mov #-12, r2
|
||||||
|
shad r2, r1
|
||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||||
|
tst r1, r1 // i.e. error in linux
|
||||||
|
bf .Lswapcontext_restore
|
||||||
|
.Lsyscall_error:
|
||||||
|
SYSCALL_ERROR_HANDLER
|
||||||
|
.Lpseudo_end:
|
||||||
|
rts
|
||||||
|
nop
|
||||||
|
.Lswapcontext_restore:
|
||||||
|
mov r8, r0
|
||||||
|
add #(oPC), r0
|
||||||
|
mov.l @r0+, r2
|
||||||
|
lds.l @r0+, pr
|
||||||
|
|
||||||
|
/* Restore T frag. */
|
||||||
|
mov.l @r0+, r1
|
||||||
|
shlr r1
|
||||||
|
/* Skip GBR which is used for thread pointer. */
|
||||||
|
add #4, r0
|
||||||
|
|
||||||
|
lds.l @r0+, mach
|
||||||
|
lds.l @r0+, macl
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oR9), r0
|
||||||
|
mov.l @r0+, r9
|
||||||
|
mov.l @r0+, r10
|
||||||
|
mov.l @r0+, r11
|
||||||
|
mov.l @r0+, r12
|
||||||
|
mov.l @r0+, r13
|
||||||
|
mov.l @r0+, r14
|
||||||
|
mov.l @r0+, r15
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
mov.l @(oR0,r0), r1
|
||||||
|
mov.l r1, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r1, 0)
|
||||||
|
mov.l r2, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r2, 0)
|
||||||
|
|
||||||
|
mov.l @(oR1,r0), r1
|
||||||
|
mov.l @(oR2,r0), r2
|
||||||
|
mov.l @(oR3,r0), r3
|
||||||
|
mov.l @(oR4,r0), r4
|
||||||
|
mov.l @(oR5,r0), r5
|
||||||
|
mov.l @(oR6,r0), r6
|
||||||
|
mov.l @(oR7,r0), r7
|
||||||
|
mov.l @(oR8,r0), r8
|
||||||
|
mov.l @r15+, r0
|
||||||
|
jmp @r0
|
||||||
|
mov.l @r15+, r0
|
||||||
|
|
||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__swapcontext)
|
||||||
|
|
||||||
|
weak_alias (__swapcontext, swapcontext)
|
102
sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h
Normal file
102
sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h
Normal file
@ -0,0 +1,102 @@
|
|||||||
|
/* Copyright (C) 1999, 2000, 2001, 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. */
|
||||||
|
|
||||||
|
/* Where is System V/SH ABI? */
|
||||||
|
|
||||||
|
#ifndef _SYS_UCONTEXT_H
|
||||||
|
#define _SYS_UCONTEXT_H 1
|
||||||
|
|
||||||
|
#include <features.h>
|
||||||
|
#include <signal.h>
|
||||||
|
|
||||||
|
/* We need the signal context definitions even if they are not used
|
||||||
|
included in <signal.h>. */
|
||||||
|
#include <bits/sigcontext.h>
|
||||||
|
|
||||||
|
|
||||||
|
typedef int greg_t;
|
||||||
|
|
||||||
|
/* Number of general registers. */
|
||||||
|
#define NFPREG 16
|
||||||
|
|
||||||
|
/* Container for all general registers. */
|
||||||
|
typedef greg_t gregset_t[NFPREG];
|
||||||
|
|
||||||
|
#ifdef __USE_GNU
|
||||||
|
/* Number of each register is the `gregset_t' array. */
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
R0 = 0,
|
||||||
|
#define R0 R0
|
||||||
|
R1 = 1,
|
||||||
|
#define R1 R1
|
||||||
|
R2 = 2,
|
||||||
|
#define R2 R2
|
||||||
|
R3 = 3,
|
||||||
|
#define R3 R3
|
||||||
|
R4 = 4,
|
||||||
|
#define R4 R4
|
||||||
|
R5 = 5,
|
||||||
|
#define R5 R5
|
||||||
|
R6 = 6,
|
||||||
|
#define R6 R6
|
||||||
|
R7 = 7,
|
||||||
|
#define R7 R7
|
||||||
|
R8 = 8,
|
||||||
|
#define R8 R8
|
||||||
|
R9 = 9,
|
||||||
|
#define R9 R9
|
||||||
|
R10 = 10,
|
||||||
|
#define R10 R10
|
||||||
|
R11 = 11,
|
||||||
|
#define R11 R11
|
||||||
|
R12 = 12,
|
||||||
|
#define R12 R12
|
||||||
|
R13 = 13,
|
||||||
|
#define R13 R13
|
||||||
|
R14 = 14,
|
||||||
|
#define R14 R14
|
||||||
|
R15 = 15,
|
||||||
|
#define R15 R15
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Context to describe whole processor state. */
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
unsigned int oldmask;
|
||||||
|
gregset_t gregs;
|
||||||
|
unsigned int pc;
|
||||||
|
unsigned int pr;
|
||||||
|
unsigned int sr;
|
||||||
|
unsigned int gbr;
|
||||||
|
unsigned int mach;
|
||||||
|
unsigned int macl;
|
||||||
|
} mcontext_t;
|
||||||
|
|
||||||
|
/* Userlevel context. */
|
||||||
|
typedef struct ucontext
|
||||||
|
{
|
||||||
|
unsigned long int uc_flags;
|
||||||
|
struct ucontext *uc_link;
|
||||||
|
stack_t uc_stack;
|
||||||
|
mcontext_t uc_mcontext;
|
||||||
|
__sigset_t uc_sigmask;
|
||||||
|
} ucontext_t;
|
||||||
|
|
||||||
|
#endif /* sys/ucontext.h */
|
79
sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.h
Normal file
79
sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.h
Normal file
@ -0,0 +1,79 @@
|
|||||||
|
/* Offsets and other constants needed in the *context() function
|
||||||
|
implementation.
|
||||||
|
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. */
|
||||||
|
|
||||||
|
#define SIG_BLOCK 0
|
||||||
|
#define SIG_SETMASK 2
|
||||||
|
|
||||||
|
/* Offsets of the fields in the ucontext_t structure. */
|
||||||
|
#define oLINK 4
|
||||||
|
#define oSS_SP 8
|
||||||
|
#define oSS_SIZE 16
|
||||||
|
#define oR0 24
|
||||||
|
#define oR1 28
|
||||||
|
#define oR2 32
|
||||||
|
#define oR3 36
|
||||||
|
#define oR4 40
|
||||||
|
#define oR5 44
|
||||||
|
#define oR6 48
|
||||||
|
#define oR7 52
|
||||||
|
#define oR8 56
|
||||||
|
#define oR9 60
|
||||||
|
#define oR10 64
|
||||||
|
#define oR11 68
|
||||||
|
#define oR12 72
|
||||||
|
#define oR13 76
|
||||||
|
#define oR14 80
|
||||||
|
#define oR15 84
|
||||||
|
#define oPC 88
|
||||||
|
#define oPR 92
|
||||||
|
#define oSR 96
|
||||||
|
#define oGBR 100
|
||||||
|
#define oMACH 104
|
||||||
|
#define oMACL 108
|
||||||
|
#define oSIGMASK 112
|
||||||
|
|
||||||
|
/* Tests run in stdlib/tst-ucontext-off. */
|
||||||
|
#define TESTS \
|
||||||
|
TEST (uc_link, oLINK); \
|
||||||
|
TEST (uc_stack.ss_sp, oSS_SP); \
|
||||||
|
TEST (uc_stack.ss_size, oSS_SIZE); \
|
||||||
|
TEST (uc_mcontext.gregs[R0], oR0); \
|
||||||
|
TEST (uc_mcontext.gregs[R1], oR1); \
|
||||||
|
TEST (uc_mcontext.gregs[R2], oR2); \
|
||||||
|
TEST (uc_mcontext.gregs[R3], oR3); \
|
||||||
|
TEST (uc_mcontext.gregs[R4], oR4); \
|
||||||
|
TEST (uc_mcontext.gregs[R5], oR5); \
|
||||||
|
TEST (uc_mcontext.gregs[R6], oR6); \
|
||||||
|
TEST (uc_mcontext.gregs[R7], oR7); \
|
||||||
|
TEST (uc_mcontext.gregs[R8], oR8); \
|
||||||
|
TEST (uc_mcontext.gregs[R9], oR9); \
|
||||||
|
TEST (uc_mcontext.gregs[R10], oR10); \
|
||||||
|
TEST (uc_mcontext.gregs[R11], oR11); \
|
||||||
|
TEST (uc_mcontext.gregs[R12], oR12); \
|
||||||
|
TEST (uc_mcontext.gregs[R13], oR13); \
|
||||||
|
TEST (uc_mcontext.gregs[R14], oR14); \
|
||||||
|
TEST (uc_mcontext.gregs[R15], oR15); \
|
||||||
|
TEST (uc_mcontext.pc, oPC); \
|
||||||
|
TEST (uc_mcontext.pr, oPR); \
|
||||||
|
TEST (uc_mcontext.sr, oSR); \
|
||||||
|
TEST (uc_mcontext.gbr, oGBR); \
|
||||||
|
TEST (uc_mcontext.mach, oMACH); \
|
||||||
|
TEST (uc_mcontext.macl, oMACL); \
|
||||||
|
TEST (uc_sigmask, oSIGMASK);
|
133
sysdeps/unix/sysv/linux/sh/sh4/getcontext.S
Normal file
133
sysdeps/unix/sysv/linux/sh/sh4/getcontext.S
Normal file
@ -0,0 +1,133 @@
|
|||||||
|
/* Save current 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"
|
||||||
|
|
||||||
|
/* int __getcontext (ucontext_t *uc); */
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 5
|
||||||
|
cfi_startproc
|
||||||
|
ENTRY(__getcontext)
|
||||||
|
|
||||||
|
/* Return value of getcontext. R0 is the only register whose
|
||||||
|
value is not preserved. */
|
||||||
|
mov #0, r0
|
||||||
|
mov.l r0, @(oR0,r4)
|
||||||
|
mov.l r1, @(oR1,r4)
|
||||||
|
mov.l r2, @(oR2,r4)
|
||||||
|
mov.l r3, @(oR3,r4)
|
||||||
|
mov.l r4, @(oR4,r4)
|
||||||
|
mov.l r5, @(oR5,r4)
|
||||||
|
mov.l r6, @(oR6,r4)
|
||||||
|
mov.l r7, @(oR7,r4)
|
||||||
|
mov r4, r0
|
||||||
|
add #(oMACL+4), r0
|
||||||
|
sts.l macl, @-r0
|
||||||
|
sts.l mach, @-r0
|
||||||
|
stc.l gbr, @-r0
|
||||||
|
|
||||||
|
/* Save T flag to SR. */
|
||||||
|
movt r1
|
||||||
|
mov.l r1, @-r0
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
/* The return address of getcontext is the restart pc. */
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
mov.l r15, @-r0
|
||||||
|
mov.l r14, @-r0
|
||||||
|
mov.l r13, @-r0
|
||||||
|
mov.l r12, @-r0
|
||||||
|
mov.l r11, @-r0
|
||||||
|
mov.l r10, @-r0
|
||||||
|
mov.l r9, @-r0
|
||||||
|
mov.l r8, @-r0
|
||||||
|
|
||||||
|
mov r4, r0
|
||||||
|
/* We need 2 add instruction because oFPUL+4 > 127. */
|
||||||
|
add #124,r0
|
||||||
|
add #(oFPUL+4-124),r0
|
||||||
|
sts.l fpul, @-r0
|
||||||
|
sts.l fpscr, @-r0
|
||||||
|
frchg
|
||||||
|
fmov.s fr15, @-r0
|
||||||
|
fmov.s fr14, @-r0
|
||||||
|
fmov.s fr13, @-r0
|
||||||
|
fmov.s fr12, @-r0
|
||||||
|
fmov.s fr11, @-r0
|
||||||
|
fmov.s fr10, @-r0
|
||||||
|
fmov.s fr9, @-r0
|
||||||
|
fmov.s fr8, @-r0
|
||||||
|
fmov.s fr7, @-r0
|
||||||
|
fmov.s fr6, @-r0
|
||||||
|
fmov.s fr5, @-r0
|
||||||
|
fmov.s fr4, @-r0
|
||||||
|
fmov.s fr3, @-r0
|
||||||
|
fmov.s fr2, @-r0
|
||||||
|
fmov.s fr1, @-r0
|
||||||
|
fmov.s fr0, @-r0
|
||||||
|
frchg
|
||||||
|
fmov.s fr15, @-r0
|
||||||
|
fmov.s fr14, @-r0
|
||||||
|
fmov.s fr13, @-r0
|
||||||
|
fmov.s fr12, @-r0
|
||||||
|
fmov.s fr11, @-r0
|
||||||
|
fmov.s fr10, @-r0
|
||||||
|
fmov.s fr9, @-r0
|
||||||
|
fmov.s fr8, @-r0
|
||||||
|
fmov.s fr7, @-r0
|
||||||
|
fmov.s fr6, @-r0
|
||||||
|
fmov.s fr5, @-r0
|
||||||
|
fmov.s fr4, @-r0
|
||||||
|
fmov.s fr3, @-r0
|
||||||
|
fmov.s fr2, @-r0
|
||||||
|
fmov.s fr1, @-r0
|
||||||
|
fmov.s fr0, @-r0
|
||||||
|
|
||||||
|
/* sigprocmask (SIG_BLOCK, NULL, &uc->uc_sigmask). */
|
||||||
|
mov r4, r6
|
||||||
|
/* We need 2 add instruction because oSIGMASK > 127. */
|
||||||
|
add #(oSIGMASK/2), r6
|
||||||
|
add #(oSIGMASK/2), r6
|
||||||
|
mov #SIG_BLOCK, r4
|
||||||
|
mov #0, r5
|
||||||
|
mov #+SYS_ify(sigprocmask), r3
|
||||||
|
trapa #0x13
|
||||||
|
mov r0, r1
|
||||||
|
mov #-12, r2
|
||||||
|
shad r2, r1
|
||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||||
|
tst r1, r1 // i.e. error in linux
|
||||||
|
bf .Lgetcontext_end
|
||||||
|
.Lsyscall_error:
|
||||||
|
SYSCALL_ERROR_HANDLER
|
||||||
|
.Lgetcontext_end:
|
||||||
|
/* All done, return 0 for success. */
|
||||||
|
mov #0, r0
|
||||||
|
.Lpseudo_end:
|
||||||
|
rts
|
||||||
|
nop
|
||||||
|
|
||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__getcontext)
|
||||||
|
|
||||||
|
weak_alias (__getcontext, getcontext)
|
141
sysdeps/unix/sysv/linux/sh/sh4/setcontext.S
Normal file
141
sysdeps/unix/sysv/linux/sh/sh4/setcontext.S
Normal file
@ -0,0 +1,141 @@
|
|||||||
|
/* Install given 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"
|
||||||
|
|
||||||
|
/* int __setcontext (const ucontext_t *uc); */
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 5
|
||||||
|
cfi_startproc
|
||||||
|
ENTRY(__setcontext)
|
||||||
|
|
||||||
|
mov r4, r8
|
||||||
|
|
||||||
|
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, NULL). */
|
||||||
|
mov r4, r5
|
||||||
|
add #(oSIGMASK/2), r5
|
||||||
|
add #(oSIGMASK/2), r5
|
||||||
|
mov #SIG_SETMASK, r4
|
||||||
|
mov #0, r6
|
||||||
|
mov #+SYS_ify(sigprocmask), r3
|
||||||
|
trapa #0x13
|
||||||
|
mov r0, r1
|
||||||
|
mov #-12, r2
|
||||||
|
shad r2, r1
|
||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||||
|
tst r1, r1 // i.e. error in linux
|
||||||
|
bf .Lsetcontext_restore
|
||||||
|
.Lsyscall_error:
|
||||||
|
SYSCALL_ERROR_HANDLER
|
||||||
|
.Lpseudo_end:
|
||||||
|
rts
|
||||||
|
nop
|
||||||
|
|
||||||
|
.Lsetcontext_restore:
|
||||||
|
mov r8, r0
|
||||||
|
add #(oFR0),r0
|
||||||
|
fmov.s @r0+, fr0
|
||||||
|
fmov.s @r0+, fr1
|
||||||
|
fmov.s @r0+, fr2
|
||||||
|
fmov.s @r0+, fr3
|
||||||
|
fmov.s @r0+, fr4
|
||||||
|
fmov.s @r0+, fr5
|
||||||
|
fmov.s @r0+, fr6
|
||||||
|
fmov.s @r0+, fr7
|
||||||
|
fmov.s @r0+, fr8
|
||||||
|
fmov.s @r0+, fr9
|
||||||
|
fmov.s @r0+, fr10
|
||||||
|
fmov.s @r0+, fr11
|
||||||
|
fmov.s @r0+, fr12
|
||||||
|
fmov.s @r0+, fr13
|
||||||
|
fmov.s @r0+, fr14
|
||||||
|
fmov.s @r0+, fr15
|
||||||
|
frchg
|
||||||
|
fmov.s @r0+, fr0
|
||||||
|
fmov.s @r0+, fr1
|
||||||
|
fmov.s @r0+, fr2
|
||||||
|
fmov.s @r0+, fr3
|
||||||
|
fmov.s @r0+, fr4
|
||||||
|
fmov.s @r0+, fr5
|
||||||
|
fmov.s @r0+, fr6
|
||||||
|
fmov.s @r0+, fr7
|
||||||
|
fmov.s @r0+, fr8
|
||||||
|
fmov.s @r0+, fr9
|
||||||
|
fmov.s @r0+, fr10
|
||||||
|
fmov.s @r0+, fr11
|
||||||
|
fmov.s @r0+, fr12
|
||||||
|
fmov.s @r0+, fr13
|
||||||
|
fmov.s @r0+, fr14
|
||||||
|
fmov.s @r0+, fr15
|
||||||
|
frchg
|
||||||
|
lds.l @r0+, fpscr
|
||||||
|
lds.l @r0+, fpul
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oPC), r0
|
||||||
|
mov.l @r0+, r2
|
||||||
|
lds.l @r0+, pr
|
||||||
|
|
||||||
|
/* Restore T frag. */
|
||||||
|
mov.l @r0+, r1
|
||||||
|
shlr r1
|
||||||
|
/* Skip GBR which is used for thread pointer. */
|
||||||
|
add #4, r0
|
||||||
|
|
||||||
|
lds.l @r0+, mach
|
||||||
|
lds.l @r0+, macl
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oR9), r0
|
||||||
|
mov.l @r0+, r9
|
||||||
|
mov.l @r0+, r10
|
||||||
|
mov.l @r0+, r11
|
||||||
|
mov.l @r0+, r12
|
||||||
|
mov.l @r0+, r13
|
||||||
|
mov.l @r0+, r14
|
||||||
|
mov.l @r0+, r15
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
mov.l @(oR0,r0), r1
|
||||||
|
mov.l r1, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r1, 0)
|
||||||
|
mov.l r2, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r2, 0)
|
||||||
|
|
||||||
|
mov.l @(oR1,r0), r1
|
||||||
|
mov.l @(oR2,r0), r2
|
||||||
|
mov.l @(oR3,r0), r3
|
||||||
|
mov.l @(oR4,r0), r4
|
||||||
|
mov.l @(oR5,r0), r5
|
||||||
|
mov.l @(oR6,r0), r6
|
||||||
|
mov.l @(oR7,r0), r7
|
||||||
|
mov.l @(oR8,r0), r8
|
||||||
|
mov.l @r15+, r0
|
||||||
|
jmp @r0
|
||||||
|
mov.l @r15+, r0
|
||||||
|
|
||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__setcontext)
|
||||||
|
|
||||||
|
weak_alias (__setcontext, setcontext)
|
216
sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
Normal file
216
sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S
Normal file
@ -0,0 +1,216 @@
|
|||||||
|
/* Save current context and install the given one.
|
||||||
|
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"
|
||||||
|
|
||||||
|
/* int __swapcontext (ucontext_t *ouc, const ucontext_t *uc); */
|
||||||
|
|
||||||
|
.text
|
||||||
|
.align 5
|
||||||
|
cfi_startproc
|
||||||
|
ENTRY(__swapcontext)
|
||||||
|
|
||||||
|
/* Return value of getcontext. R0 is the only register whose
|
||||||
|
value is not preserved. */
|
||||||
|
mov #0, r0
|
||||||
|
mov.l r0, @(oR0,r4)
|
||||||
|
mov.l r1, @(oR1,r4)
|
||||||
|
mov.l r2, @(oR2,r4)
|
||||||
|
mov.l r3, @(oR3,r4)
|
||||||
|
mov.l r4, @(oR4,r4)
|
||||||
|
mov.l r5, @(oR5,r4)
|
||||||
|
mov.l r6, @(oR6,r4)
|
||||||
|
mov.l r7, @(oR7,r4)
|
||||||
|
mov r4, r0
|
||||||
|
add #(oMACL+4), r0
|
||||||
|
sts.l macl, @-r0
|
||||||
|
sts.l mach, @-r0
|
||||||
|
stc.l gbr, @-r0
|
||||||
|
|
||||||
|
/* Save T flag to SR. */
|
||||||
|
movt r1
|
||||||
|
mov.l r1, @-r0
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
/* The return address of getcontext is the restart pc. */
|
||||||
|
sts.l pr, @-r0
|
||||||
|
|
||||||
|
mov.l r15, @-r0
|
||||||
|
mov.l r14, @-r0
|
||||||
|
mov.l r13, @-r0
|
||||||
|
mov.l r12, @-r0
|
||||||
|
mov.l r11, @-r0
|
||||||
|
mov.l r10, @-r0
|
||||||
|
mov.l r9, @-r0
|
||||||
|
mov.l r8, @-r0
|
||||||
|
|
||||||
|
mov r4, r0
|
||||||
|
/* We need 2 add instruction because oFPUL+4 >= 127. */
|
||||||
|
add #124,r0
|
||||||
|
add #(oFPUL+4-124),r0
|
||||||
|
sts.l fpul, @-r0
|
||||||
|
sts.l fpscr, @-r0
|
||||||
|
frchg
|
||||||
|
fmov.s fr15, @-r0
|
||||||
|
fmov.s fr14, @-r0
|
||||||
|
fmov.s fr13, @-r0
|
||||||
|
fmov.s fr12, @-r0
|
||||||
|
fmov.s fr11, @-r0
|
||||||
|
fmov.s fr10, @-r0
|
||||||
|
fmov.s fr9, @-r0
|
||||||
|
fmov.s fr8, @-r0
|
||||||
|
fmov.s fr7, @-r0
|
||||||
|
fmov.s fr6, @-r0
|
||||||
|
fmov.s fr5, @-r0
|
||||||
|
fmov.s fr4, @-r0
|
||||||
|
fmov.s fr3, @-r0
|
||||||
|
fmov.s fr2, @-r0
|
||||||
|
fmov.s fr1, @-r0
|
||||||
|
fmov.s fr0, @-r0
|
||||||
|
frchg
|
||||||
|
fmov.s fr15, @-r0
|
||||||
|
fmov.s fr14, @-r0
|
||||||
|
fmov.s fr13, @-r0
|
||||||
|
fmov.s fr12, @-r0
|
||||||
|
fmov.s fr11, @-r0
|
||||||
|
fmov.s fr10, @-r0
|
||||||
|
fmov.s fr9, @-r0
|
||||||
|
fmov.s fr8, @-r0
|
||||||
|
fmov.s fr7, @-r0
|
||||||
|
fmov.s fr6, @-r0
|
||||||
|
fmov.s fr5, @-r0
|
||||||
|
fmov.s fr4, @-r0
|
||||||
|
fmov.s fr3, @-r0
|
||||||
|
fmov.s fr2, @-r0
|
||||||
|
fmov.s fr1, @-r0
|
||||||
|
fmov.s fr0, @-r0
|
||||||
|
|
||||||
|
mov r5, r8
|
||||||
|
|
||||||
|
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, &ouc->uc_sigmask). */
|
||||||
|
mov #oSIGMASK, r1
|
||||||
|
extu.b r1, r1
|
||||||
|
add r1, r5
|
||||||
|
mov r4, r6
|
||||||
|
add r1, r6
|
||||||
|
mov #SIG_SETMASK, r4
|
||||||
|
mov #+SYS_ify(sigprocmask), r3
|
||||||
|
trapa #0x13
|
||||||
|
mov r0, r1
|
||||||
|
mov #-12, r2
|
||||||
|
shad r2, r1
|
||||||
|
not r1, r1 // r1=0 means r0 = -1 to -4095
|
||||||
|
tst r1, r1 // i.e. error in linux
|
||||||
|
bf .Lswapcontext_restore
|
||||||
|
.Lsyscall_error:
|
||||||
|
SYSCALL_ERROR_HANDLER
|
||||||
|
.Lpseudo_end:
|
||||||
|
rts
|
||||||
|
nop
|
||||||
|
.Lswapcontext_restore:
|
||||||
|
mov r8, r0
|
||||||
|
add #(oFR0),r0
|
||||||
|
fmov.s @r0+, fr0
|
||||||
|
fmov.s @r0+, fr1
|
||||||
|
fmov.s @r0+, fr2
|
||||||
|
fmov.s @r0+, fr3
|
||||||
|
fmov.s @r0+, fr4
|
||||||
|
fmov.s @r0+, fr5
|
||||||
|
fmov.s @r0+, fr6
|
||||||
|
fmov.s @r0+, fr7
|
||||||
|
fmov.s @r0+, fr8
|
||||||
|
fmov.s @r0+, fr9
|
||||||
|
fmov.s @r0+, fr10
|
||||||
|
fmov.s @r0+, fr11
|
||||||
|
fmov.s @r0+, fr12
|
||||||
|
fmov.s @r0+, fr13
|
||||||
|
fmov.s @r0+, fr14
|
||||||
|
fmov.s @r0+, fr15
|
||||||
|
frchg
|
||||||
|
fmov.s @r0+, fr0
|
||||||
|
fmov.s @r0+, fr1
|
||||||
|
fmov.s @r0+, fr2
|
||||||
|
fmov.s @r0+, fr3
|
||||||
|
fmov.s @r0+, fr4
|
||||||
|
fmov.s @r0+, fr5
|
||||||
|
fmov.s @r0+, fr6
|
||||||
|
fmov.s @r0+, fr7
|
||||||
|
fmov.s @r0+, fr8
|
||||||
|
fmov.s @r0+, fr9
|
||||||
|
fmov.s @r0+, fr10
|
||||||
|
fmov.s @r0+, fr11
|
||||||
|
fmov.s @r0+, fr12
|
||||||
|
fmov.s @r0+, fr13
|
||||||
|
fmov.s @r0+, fr14
|
||||||
|
fmov.s @r0+, fr15
|
||||||
|
frchg
|
||||||
|
lds.l @r0+, fpscr
|
||||||
|
lds.l @r0+, fpul
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oPC), r0
|
||||||
|
mov.l @r0+, r2
|
||||||
|
lds.l @r0+, pr
|
||||||
|
|
||||||
|
/* Restore T frag. */
|
||||||
|
mov.l @r0+, r1
|
||||||
|
shlr r1
|
||||||
|
/* Skip GBR which is used for thread pointer. */
|
||||||
|
add #4, r0
|
||||||
|
|
||||||
|
lds.l @r0+, mach
|
||||||
|
lds.l @r0+, macl
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
add #(oR9), r0
|
||||||
|
mov.l @r0+, r9
|
||||||
|
mov.l @r0+, r10
|
||||||
|
mov.l @r0+, r11
|
||||||
|
mov.l @r0+, r12
|
||||||
|
mov.l @r0+, r13
|
||||||
|
mov.l @r0+, r14
|
||||||
|
mov.l @r0+, r15
|
||||||
|
|
||||||
|
mov r8, r0
|
||||||
|
mov.l @(oR0,r0), r1
|
||||||
|
mov.l r1, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r1, 0)
|
||||||
|
mov.l r2, @-r15
|
||||||
|
cfi_adjust_cfa_offset(4)
|
||||||
|
cfi_rel_offset (r2, 0)
|
||||||
|
|
||||||
|
mov.l @(oR1,r0), r1
|
||||||
|
mov.l @(oR2,r0), r2
|
||||||
|
mov.l @(oR3,r0), r3
|
||||||
|
mov.l @(oR4,r0), r4
|
||||||
|
mov.l @(oR5,r0), r5
|
||||||
|
mov.l @(oR6,r0), r6
|
||||||
|
mov.l @(oR7,r0), r7
|
||||||
|
mov.l @(oR8,r0), r8
|
||||||
|
mov.l @r15+, r0
|
||||||
|
jmp @r0
|
||||||
|
mov.l @r15+, r0
|
||||||
|
|
||||||
|
cfi_endproc
|
||||||
|
PSEUDO_END(__swapcontext)
|
||||||
|
|
||||||
|
weak_alias (__swapcontext, swapcontext)
|
@ -1,4 +1,4 @@
|
|||||||
/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
|
/* Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc.
|
||||||
This file is part of the GNU C Library.
|
This file is part of the GNU C Library.
|
||||||
|
|
||||||
The GNU C Library is free software; you can redistribute it and/or
|
The GNU C Library is free software; you can redistribute it and/or
|
||||||
@ -87,13 +87,19 @@ typedef freg_t fpregset_t[NFPREG];
|
|||||||
/* Context to describe whole processor state. */
|
/* Context to describe whole processor state. */
|
||||||
typedef struct
|
typedef struct
|
||||||
{
|
{
|
||||||
|
unsigned int oldmask;
|
||||||
gregset_t gregs;
|
gregset_t gregs;
|
||||||
|
unsigned int pc;
|
||||||
|
unsigned int pr;
|
||||||
|
unsigned int sr;
|
||||||
|
unsigned int gbr;
|
||||||
|
unsigned int mach;
|
||||||
|
unsigned int macl;
|
||||||
fpregset_t fpregs;
|
fpregset_t fpregs;
|
||||||
fpregset_t xfpregs;
|
fpregset_t xfpregs;
|
||||||
unsigned int fpscr;
|
unsigned int fpscr;
|
||||||
unsigned int fpul;
|
unsigned int fpul;
|
||||||
unsigned int macl;
|
unsigned int ownedfp;
|
||||||
unsigned int mach;
|
|
||||||
} mcontext_t;
|
} mcontext_t;
|
||||||
|
|
||||||
/* Userlevel context. */
|
/* Userlevel context. */
|
149
sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.h
Normal file
149
sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.h
Normal file
@ -0,0 +1,149 @@
|
|||||||
|
/* Offsets and other constants needed in the *context() function
|
||||||
|
implementation.
|
||||||
|
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. */
|
||||||
|
|
||||||
|
#define SIG_BLOCK 0
|
||||||
|
#define SIG_SETMASK 2
|
||||||
|
|
||||||
|
/* Offsets of the fields in the ucontext_t structure. */
|
||||||
|
#define oLINK 4
|
||||||
|
#define oSS_SP 8
|
||||||
|
#define oSS_SIZE 16
|
||||||
|
#define oR0 24
|
||||||
|
#define oR1 28
|
||||||
|
#define oR2 32
|
||||||
|
#define oR3 36
|
||||||
|
#define oR4 40
|
||||||
|
#define oR5 44
|
||||||
|
#define oR6 48
|
||||||
|
#define oR7 52
|
||||||
|
#define oR8 56
|
||||||
|
#define oR9 60
|
||||||
|
#define oR10 64
|
||||||
|
#define oR11 68
|
||||||
|
#define oR12 72
|
||||||
|
#define oR13 76
|
||||||
|
#define oR14 80
|
||||||
|
#define oR15 84
|
||||||
|
#define oPC 88
|
||||||
|
#define oPR 92
|
||||||
|
#define oSR 96
|
||||||
|
#define oGBR 100
|
||||||
|
#define oMACH 104
|
||||||
|
#define oMACL 108
|
||||||
|
#define oFR0 112
|
||||||
|
#define oFR1 116
|
||||||
|
#define oFR2 120
|
||||||
|
#define oFR3 124
|
||||||
|
#define oFR4 128
|
||||||
|
#define oFR5 132
|
||||||
|
#define oFR6 136
|
||||||
|
#define oFR7 140
|
||||||
|
#define oFR8 144
|
||||||
|
#define oFR9 148
|
||||||
|
#define oFR10 152
|
||||||
|
#define oFR11 156
|
||||||
|
#define oFR12 160
|
||||||
|
#define oFR13 164
|
||||||
|
#define oFR14 168
|
||||||
|
#define oFR15 172
|
||||||
|
#define oXFR0 176
|
||||||
|
#define oXFR1 180
|
||||||
|
#define oXFR2 184
|
||||||
|
#define oXFR3 188
|
||||||
|
#define oXFR4 192
|
||||||
|
#define oXFR5 196
|
||||||
|
#define oXFR6 200
|
||||||
|
#define oXFR7 204
|
||||||
|
#define oXFR8 208
|
||||||
|
#define oXFR9 212
|
||||||
|
#define oXFR10 216
|
||||||
|
#define oXFR11 220
|
||||||
|
#define oXFR12 224
|
||||||
|
#define oXFR13 228
|
||||||
|
#define oXFR14 232
|
||||||
|
#define oXFR15 236
|
||||||
|
#define oFPSCR 240
|
||||||
|
#define oFPUL 244
|
||||||
|
#define oOWNEDFP 248
|
||||||
|
#define oSIGMASK 252
|
||||||
|
|
||||||
|
/* Tests run in stdlib/tst-ucontext-off. */
|
||||||
|
#define TESTS \
|
||||||
|
TEST (uc_link, oLINK); \
|
||||||
|
TEST (uc_stack.ss_sp, oSS_SP); \
|
||||||
|
TEST (uc_stack.ss_size, oSS_SIZE); \
|
||||||
|
TEST (uc_mcontext.gregs[R0], oR0); \
|
||||||
|
TEST (uc_mcontext.gregs[R1], oR1); \
|
||||||
|
TEST (uc_mcontext.gregs[R2], oR2); \
|
||||||
|
TEST (uc_mcontext.gregs[R3], oR3); \
|
||||||
|
TEST (uc_mcontext.gregs[R4], oR4); \
|
||||||
|
TEST (uc_mcontext.gregs[R5], oR5); \
|
||||||
|
TEST (uc_mcontext.gregs[R6], oR6); \
|
||||||
|
TEST (uc_mcontext.gregs[R7], oR7); \
|
||||||
|
TEST (uc_mcontext.gregs[R8], oR8); \
|
||||||
|
TEST (uc_mcontext.gregs[R9], oR9); \
|
||||||
|
TEST (uc_mcontext.gregs[R10], oR10); \
|
||||||
|
TEST (uc_mcontext.gregs[R11], oR11); \
|
||||||
|
TEST (uc_mcontext.gregs[R12], oR12); \
|
||||||
|
TEST (uc_mcontext.gregs[R13], oR13); \
|
||||||
|
TEST (uc_mcontext.gregs[R14], oR14); \
|
||||||
|
TEST (uc_mcontext.gregs[R15], oR15); \
|
||||||
|
TEST (uc_mcontext.pc, oPC); \
|
||||||
|
TEST (uc_mcontext.pr, oPR); \
|
||||||
|
TEST (uc_mcontext.sr, oSR); \
|
||||||
|
TEST (uc_mcontext.gbr, oGBR); \
|
||||||
|
TEST (uc_mcontext.mach, oMACH); \
|
||||||
|
TEST (uc_mcontext.macl, oMACL); \
|
||||||
|
TEST (uc_mcontext.fpregs[0], oFR0); \
|
||||||
|
TEST (uc_mcontext.fpregs[1], oFR1); \
|
||||||
|
TEST (uc_mcontext.fpregs[2], oFR2); \
|
||||||
|
TEST (uc_mcontext.fpregs[3], oFR3); \
|
||||||
|
TEST (uc_mcontext.fpregs[4], oFR4); \
|
||||||
|
TEST (uc_mcontext.fpregs[5], oFR5); \
|
||||||
|
TEST (uc_mcontext.fpregs[6], oFR6); \
|
||||||
|
TEST (uc_mcontext.fpregs[7], oFR7); \
|
||||||
|
TEST (uc_mcontext.fpregs[8], oFR8); \
|
||||||
|
TEST (uc_mcontext.fpregs[9], oFR9); \
|
||||||
|
TEST (uc_mcontext.fpregs[10], oFR10); \
|
||||||
|
TEST (uc_mcontext.fpregs[11], oFR11); \
|
||||||
|
TEST (uc_mcontext.fpregs[12], oFR12); \
|
||||||
|
TEST (uc_mcontext.fpregs[13], oFR13); \
|
||||||
|
TEST (uc_mcontext.fpregs[14], oFR14); \
|
||||||
|
TEST (uc_mcontext.fpregs[15], oFR15); \
|
||||||
|
TEST (uc_mcontext.xfpregs[0], oXFR0); \
|
||||||
|
TEST (uc_mcontext.xfpregs[1], oXFR1); \
|
||||||
|
TEST (uc_mcontext.xfpregs[2], oXFR2); \
|
||||||
|
TEST (uc_mcontext.xfpregs[3], oXFR3); \
|
||||||
|
TEST (uc_mcontext.xfpregs[4], oXFR4); \
|
||||||
|
TEST (uc_mcontext.xfpregs[5], oXFR5); \
|
||||||
|
TEST (uc_mcontext.xfpregs[6], oXFR6); \
|
||||||
|
TEST (uc_mcontext.xfpregs[7], oXFR7); \
|
||||||
|
TEST (uc_mcontext.xfpregs[8], oXFR8); \
|
||||||
|
TEST (uc_mcontext.xfpregs[9], oXFR9); \
|
||||||
|
TEST (uc_mcontext.xfpregs[10], oXFR10); \
|
||||||
|
TEST (uc_mcontext.xfpregs[11], oXFR11); \
|
||||||
|
TEST (uc_mcontext.xfpregs[12], oXFR12); \
|
||||||
|
TEST (uc_mcontext.xfpregs[13], oXFR13); \
|
||||||
|
TEST (uc_mcontext.xfpregs[14], oXFR14); \
|
||||||
|
TEST (uc_mcontext.xfpregs[15], oXFR15); \
|
||||||
|
TEST (uc_mcontext.fpscr, oFPSCR); \
|
||||||
|
TEST (uc_mcontext.fpul, oFPUL); \
|
||||||
|
TEST (uc_mcontext.ownedfp, oOWNEDFP); \
|
||||||
|
TEST (uc_sigmask, oSIGMASK);
|
Loading…
Reference in New Issue
Block a user