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update from 961105, second try

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This commit is contained in:
Ulrich Drepper 1996-11-07 01:34:35 +00:00
parent 60c74cf07a
commit dd4b8913cd
11 changed files with 150 additions and 88 deletions
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66
sysdeps/unix/alpha/sysdep.h
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or
@ -12,9 +13,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdeps/unix/sysdep.h>
@ -27,36 +28,24 @@ Cambridge, MA 02139, USA. */
#endif
#ifdef __STDC__
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
name##: \
.frame sp, framesize, ra
#define __LABEL(x) x##:
#else
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
name/**/: \
.frame sp, framesize, ra
#define __LABEL(x) x/**/:
#endif
#ifdef __STDC__
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
__LABEL(name) \
.frame sp, framesize, ra
#define ENTRY(name) \
.globl name; \
.align 3; \
.ent name, 0; \
name##: \
__LABEL(name) \
.frame sp, 0, ra
#else
#define ENTRY(name) \
.globl name; \
.align 3; \
.ent name, 0; \
name/**/: \
.frame sp, 0, ra
#endif
/* Mark the end of function SYM. */
#undef END
@ -65,15 +54,19 @@ Cambridge, MA 02139, USA. */
/* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a
label of that number between those two macros! */
#ifdef __STDC__
#ifdef PROF
#define PSEUDO(name, syscall_name, args) \
.globl name; \
.align 3; \
.ent name,0; \
\
name##: \
.frame sp, 0, ra \
.prologue 1; /* yes, we do use gp */ \
__LABEL(name) \
.frame sp, 0, ra; \
ldgp gp,0(pv); \
.set noat; \
lda AT,_mcount; \
jsr AT,(AT),_mcount; \
.set at; \
.prologue 1; \
ldiq v0, SYS_ify(syscall_name); \
.set noat; \
call_pal PAL_callsys; \
@ -85,10 +78,9 @@ name##: \
.globl name; \
.align 3; \
.ent name,0; \
\
name/**/: \
__LABEL(name) \
.frame sp, 0, ra \
.prologue 1; /* yes, we do use gp */ \
.prologue 0; \
ldiq v0, SYS_ify(syscall_name); \
.set noat; \
call_pal PAL_callsys; \
@ -98,13 +90,19 @@ name/**/: \
#endif
#undef PSEUDO_END
#ifdef PROF
#define PSEUDO_END(sym) \
1996: \
jmp zero, __syscall_error; \
END(sym)
#else
#define PSEUDO_END(sym) \
1996: \
br gp, 2f; \
2: ldgp gp, 0(gp); \
jmp zero, __syscall_error; \
END(sym)
#endif
#define r0 v0
#define r1 a4

4
sysdeps/unix/sysv/linux/alpha/brk.S
View File

@ -38,6 +38,10 @@ __curbrk: .skip 8
.text
LEAF(__brk, 0)
ldgp gp, 0(t12)
#ifdef PROF
lda AT, _mcount
jsr AT, (AT), _mcount
#endif
.prologue 1
ldiq v0, __NR_brk

4
sysdeps/unix/sysv/linux/alpha/clone.S
View File

@ -32,6 +32,10 @@ ENTRY(__clone)
/* Save rest of argument registers for varargs-type work. */
stq a4,0(sp)
stq a5,8(sp)
#ifdef PROF
lda AT, _mcount
jsr AT, (AT), _mcount
#endif
.prologue 1
/* Sanity check arguments. */

18
sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S
View File

@ -22,9 +22,17 @@ Cambridge, MA 02139, USA. */
.text
LEAF(__ieee_get_fp_control, 8)
lda sp, -8(sp)
LEAF(__ieee_get_fp_control, 16)
#ifdef PROF
ldgp gp, 0(pv)
lda sp, -16(sp)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
lda sp, -16(sp)
.prologue 0
#endif
mov sp, a1
ldi a0, GSI_IEEE_FP_CONTROL
@ -33,12 +41,14 @@ LEAF(__ieee_get_fp_control, 8)
bne a3, error
ldq v0, 0(sp)
lda sp, 8(sp)
lda sp, 16(sp)
ret
error: lda sp, 8(sp)
error: lda sp, 16(sp)
#ifndef PROF
br gp, 1f
1: ldgp gp, 0(gp)
#endif
jmp zero, __syscall_error
END(__ieee_get_fp_control)

19
sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S
View File

@ -20,9 +20,17 @@ Cambridge, MA 02139, USA. */
#define SSI_IEEE_FP_CONTROL 14
LEAF(__ieee_set_fp_control, 8)
lda sp, -8(sp)
LEAF(__ieee_set_fp_control, 16)
#ifdef PROF
ldgp gp, 0(sp)
lda sp, -16(sp)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
lda sp, -16(sp)
.prologue 0
#endif
stq a0, 0(sp)
mov sp, a1
@ -30,13 +38,16 @@ LEAF(__ieee_set_fp_control, 8)
ldi v0, __NR_osf_setsysinfo
call_pal PAL_callsys
lda sp, 8(sp)
lda sp, 16(sp)
bne a3, error
ret
error: br gp, 1f
error:
#ifndef PROF
br gp, 1f
1: ldgp gp, 0(gp)
#endif
jmp zero, __syscall_error
END(__ieee_set_fp_control)

12
sysdeps/unix/sysv/linux/alpha/llseek.S
View File

@ -24,7 +24,14 @@ Cambridge, MA 02139, USA. */
.text
ENTRY(llseek)
#ifdef PROF
ldgp gp, 0(pv)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
.prologue 0
#endif
sll a1, 32, a1 /* build a 64 bit ofs out of 32 bit operands */
zap a2, 0xf0, a2
@ -40,8 +47,11 @@ ENTRY(llseek)
stq v0, 0(t0)
ret
error: br gp, 1f
error:
#ifndef PROF
br gp, 1f
1: ldgp gp, 0(gp)
#endif
jmp zero, __syscall_error
END(llseek)

12
sysdeps/unix/sysv/linux/alpha/sigsuspend.S
View File

@ -24,7 +24,14 @@ Cambridge, MA 02139, USA. */
.text
LEAF(sigsuspend, 0)
#ifdef PROF
ldgp gp, 0(pv)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
.prologue 0
#endif
ldq a0, 0(a0)
ldi v0, __NR_sigsuspend
@ -32,8 +39,11 @@ LEAF(sigsuspend, 0)
bne a3, error
ret
error: br gp, 1f
error:
#ifndef PROF
br gp, 1f
1: ldgp gp, 0(gp)
#endif
jmp zero, __syscall_error
END(sigsuspend)

14
sysdeps/unix/sysv/linux/alpha/syscall.S
View File

@ -42,6 +42,15 @@ Cambridge, MA 02139, USA. */
LEAF(__syscall, 0)
#ifdef PROF
ldgp gp, 0(pv)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
.prologue 0
#endif
mov a0, v0 /* Syscall number -> v0 */
mov a1, a0 /* arg1-arg5 -> a0-a4 */
mov a2, a1
@ -53,8 +62,11 @@ LEAF(__syscall, 0)
bne a3, error
ret
error: br gp, 2f
error:
#ifndef PROF
br gp, 2f
2: ldgp gp, 0(gp)
#endif
jmp zero, __syscall_error
weak_alias(__syscall, syscall)

10
sysdeps/unix/sysv/linux/m68k/syscall.S
View File

@ -12,14 +12,14 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
/* Please consult the file sysdeps/unix/sysv/linux/m68k/sysdep.h for
more information about the value -128 used below.*/
more information about the value -4096 used below.*/
.text
ENTRY (syscall)
@ -27,7 +27,7 @@ ENTRY (syscall)
_DOARGS_5 (24) /* Frob arguments. */
trap &0 /* Do the system call. */
UNDOARGS_5 /* Unfrob arguments. */
moveq.l &-128, %d1
moveq.l &-4096, %d1
cmp.l %d1, %d0 /* Check %d0 for error. */
jcc syscall_error /* Jump to error handler if negative. */
rts /* Return to caller. */

12
sysdeps/unix/sysv/linux/m68k/sysdep.S
View File

@ -12,9 +12,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
@ -62,7 +62,11 @@ __syscall_error:
END (__syscall_error)
#endif /* PIC */
ENTRY (__errno_location)
.weak __errno_location
.type __errno_location,@function
.align 4
__errno_location:
CALL_MCOUNT
#ifdef PIC
move.l (%pc, errno@GOTPC), %a0
#else

7
sysdeps/unix/sysv/linux/m68k/sysdep.h
View File

@ -74,14 +74,13 @@ Cambridge, MA 02139, USA. */
even if the call succeeded. E.g., the `lseek' system call might return
a large offset. Therefore we must not anymore test for < 0, but test
for a real error by making sure the value in %d0 is a real error
number. For now (as of 2.1.1) 122 is the largest defined error number.
We allow for a bit of room for development and treat -128 to -1 as
error values. */
number. Linus said he will make sure the no syscall returns a value
in -1 .. -4095 as a valid result so we can savely test with -4096. */
#define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (&SYS_ify (syscall_name), args); \
moveq.l &-128, %d1; \
moveq.l &-4096, %d1; \
cmp.l %d1, %d0; \
jcc syscall_error