summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/sparc/sparcv9
diff options
context:
space:
mode:
authorWaldemar Brodkorb <wbx@openadk.org>2014-09-04 15:18:54 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2014-09-04 15:18:54 +0200
commit36043b37739dffdaea8d31457570810e492268d7 (patch)
tree0045cba85b862ecca89cf7b5aff336bddbabad89 /libc/sysdeps/linux/sparc/sparcv9
parenta5352e212fcd4da83c8ff4fe542ef23c8e3187f8 (diff)
parent6d550ddd129b18cf800eab604f74536754526cd8 (diff)
Merge remote-tracking branch 'origin/upstream'
Diffstat (limited to 'libc/sysdeps/linux/sparc/sparcv9')
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/clone.S101
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/rem.S20
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/sdiv.S18
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/udiv.S15
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/umul.S15
-rw-r--r--libc/sysdeps/linux/sparc/sparcv9/urem.S17
6 files changed, 0 insertions, 186 deletions
diff --git a/libc/sysdeps/linux/sparc/sparcv9/clone.S b/libc/sysdeps/linux/sparc/sparcv9/clone.S
deleted file mode 100644
index 2ee62a0f8..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/clone.S
+++ /dev/null
@@ -1,101 +0,0 @@
-/* Copyright (C) 1997, 2000, 2007 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Richard Henderson (rth@tamu.edu).
-
- 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, see
- <http://www.gnu.org/licenses/>. */
-
-/* clone() is even more special than fork() as it mucks with stacks
- and invokes a function in the right context after its all over. */
-
-#include <asm/errno.h>
-#include <asm/unistd.h>
-#include <tcb-offsets.h>
-#include <sysdep.h>
-
-#define CLONE_VM 0x00000100
-#define CLONE_THREAD 0x00010000
-
-/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
- pid_t *ptid, void *tls, pid_t *ctid); */
-
- .register %g2,#scratch
- .register %g3,#scratch
-
- .text
-
-ENTRY (__clone)
- save %sp, -192, %sp
- cfi_def_cfa_register(%fp)
- cfi_window_save
- cfi_register(%o7, %i7)
-
- /* sanity check arguments */
- brz,pn %i0, 99f /* fn non-NULL? */
- mov %i0, %g2
- brz,pn %i1, 99f /* child_stack non-NULL? */
- mov %i2, %o0 /* clone flags */
-
- /* The child_stack is the top of the stack, allocate one
- whole stack frame from that as this is what the kernel
- expects. Also, subtract STACK_BIAS. */
- sub %i1, 192 + 0x7ff, %o1
- mov %i3, %g3
- mov %i2, %g4
-
- mov %i4,%o2 /* PTID */
- mov %i5,%o3 /* TLS */
- ldx [%fp+0x7ff+176],%o4 /* CTID */
-
- /* Do the system call */
- set __NR_clone, %g1
- ta 0x6d
- bcs,pn %xcc, 98f
- nop
- brnz,pn %o1, __thread_start
- nop
- jmpl %i7 + 8, %g0
- restore %o0, %g0, %o0
-99: mov EINVAL, %o0
-98: call HIDDEN_JUMPTARGET(__errno_location)
- mov %o0, %i0
- st %i0, [%o0]
- jmpl %i7 + 8, %g0
- restore %g0,-1,%o0
-END(__clone)
-
- .type __thread_start,@function
-__thread_start:
-#ifdef RESET_PID
- sethi %hi(CLONE_THREAD), %l0
- andcc %g4, %l0, %g0
- bne,pt %icc, 1f
- andcc %g4, CLONE_VM, %g0
- bne,a,pn %icc, 2f
- mov -1,%o0
- set __NR_getpid,%g1
- ta 0x6d
-2: st %o0,[%g7 + PID]
- st %o0,[%g7 + TID]
-1:
-#endif
- mov %g0, %fp /* terminate backtrace */
- call %g2
- mov %g3,%o0
- call HIDDEN_JUMPTARGET(_exit),0
- nop
-
- .size __thread_start, .-__thread_start
-
-weak_alias (__clone, clone)
diff --git a/libc/sysdeps/linux/sparc/sparcv9/rem.S b/libc/sysdeps/linux/sparc/sparcv9/rem.S
deleted file mode 100644
index 1474e32ae..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/rem.S
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Sparc v9 has divide.
- * As divx takes 68 cycles and sdivcc only 36,
- * we use sdivcc eventhough it is deprecated.
- */
-
- .text
- .align 32
-ENTRY(.rem)
-
- sra %o0, 31, %o2
- wr %o2, 0, %y
- sdivcc %o0, %o1, %o2
- xnor %o2, %g0, %o3
- movvs %icc, %o3, %o2
- smul %o2, %o1, %o2
- retl
- sub %o0, %o2, %o0
-
-END(.rem)
diff --git a/libc/sysdeps/linux/sparc/sparcv9/sdiv.S b/libc/sysdeps/linux/sparc/sparcv9/sdiv.S
deleted file mode 100644
index 45535bb68..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/sdiv.S
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Sparc v9 has divide.
- * As divx takes 68 cycles and sdivcc only 36,
- * we use sdivcc eventhough it is deprecated.
- */
-
- .text
- .align 32
-ENTRY(.div)
-
- sra %o0, 31, %o2
- wr %o2, 0, %y
- sdivcc %o0, %o1, %o0
- xnor %o0, %g0, %o2
- retl
- movvs %icc, %o2, %o0
-
-END(.div)
diff --git a/libc/sysdeps/linux/sparc/sparcv9/udiv.S b/libc/sysdeps/linux/sparc/sparcv9/udiv.S
deleted file mode 100644
index 303f29bdf..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/udiv.S
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Sparc v9 has divide.
- * As divx takes 68 cycles and udiv only 37,
- * we use udiv eventhough it is deprecated.
- */
-
- .text
- .align 32
-ENTRY(.udiv)
-
- wr %g0, 0, %y
- retl
- udiv %o0, %o1, %o0
-
-END(.udiv)
diff --git a/libc/sysdeps/linux/sparc/sparcv9/umul.S b/libc/sysdeps/linux/sparc/sparcv9/umul.S
deleted file mode 100644
index e65e4b95f..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/umul.S
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Sparc v9 has multiply.
- */
-
- .text
- .align 32
-ENTRY(.umul)
-
- srl %o0, 0, %o0
- srl %o1, 0, %o1
- mulx %o0, %o1, %o0
- retl
- srlx %o0, 32, %o1
-
-END(.umul)
diff --git a/libc/sysdeps/linux/sparc/sparcv9/urem.S b/libc/sysdeps/linux/sparc/sparcv9/urem.S
deleted file mode 100644
index 93542698d..000000000
--- a/libc/sysdeps/linux/sparc/sparcv9/urem.S
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Sparc v9 has divide.
- * As divx takes 68 cycles and udiv only 37,
- * we use udiv eventhough it is deprecated.
- */
-
- .text
- .align 32
-ENTRY(.urem)
-
- wr %g0, 0, %y
- udiv %o0, %o1, %o2
- umul %o2, %o1, %o2
- retl
- sub %o0, %o2, %o0
-
-END(.urem)