mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
Update.
2000-07-31 Jes Sorensen <jes@linuxcare.com> * sysdeps/ia64/elf/initfini.c: Kill dummy section since align and endp statements have already been added. 2000-04-18 David Mosberger <davidm@hpl.hp.com> * sysdeps/unix/sysv/linux/ia64/sysdep.h: Include <sysdeps/ia64/sysdep.h>. * sysdeps/ia64/_mcount.S: New file. * sysdeps/ia64/elf/initfini.c (_init): Preserve gp around call to __gmon_start__. Fix up extraneous whitespace. 2000-01-12 H.J. Lu <hjl@gnu.org> * sysdeps/ia64/elf/initfini.c: New file. 2000-07-31 Jes Sorensen <jes@linuxcare.com> * sysdeps/unix/sysv/linux/ia64/clone.S: Add stop bit to avoid WAW dependency between branch and ar.pfs write.
This commit is contained in:
parent
a535ce141f
commit
ed80b9ee77
24
ChangeLog
24
ChangeLog
@ -1,3 +1,27 @@
|
||||
2000-07-31 Jes Sorensen <jes@linuxcare.com>
|
||||
|
||||
* sysdeps/ia64/elf/initfini.c: Kill dummy section since align and
|
||||
endp statements have already been added.
|
||||
|
||||
2000-04-18 David Mosberger <davidm@hpl.hp.com>
|
||||
|
||||
* sysdeps/unix/sysv/linux/ia64/sysdep.h: Include
|
||||
<sysdeps/ia64/sysdep.h>.
|
||||
|
||||
* sysdeps/ia64/_mcount.S: New file.
|
||||
|
||||
* sysdeps/ia64/elf/initfini.c (_init): Preserve gp around call to
|
||||
__gmon_start__. Fix up extraneous whitespace.
|
||||
|
||||
2000-01-12 H.J. Lu <hjl@gnu.org>
|
||||
|
||||
* sysdeps/ia64/elf/initfini.c: New file.
|
||||
|
||||
2000-07-31 Jes Sorensen <jes@linuxcare.com>
|
||||
|
||||
* sysdeps/unix/sysv/linux/ia64/clone.S: Add stop bit to avoid WAW
|
||||
dependency between branch and ar.pfs write.
|
||||
|
||||
2000-07-31 H.J. Lu <hjl@gnu.org>
|
||||
|
||||
* sysdeps/generic/printf_fphex.c (__printf_fphex): Correctly
|
||||
|
87
sysdeps/ia64/_mcount.S
Normal file
87
sysdeps/ia64/_mcount.S
Normal file
@ -0,0 +1,87 @@
|
||||
/* Machine-specific calling sequence for `mcount' profiling function. ia64
|
||||
Copyright (C) 2000 Free Software Foundation, Inc.
|
||||
Contributed by David Mosberger <davidm@hpl.hp.com>
|
||||
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 Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 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
|
||||
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., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Assembly stub to invoke _mcount(). Compiler generated code calls
|
||||
this stub before executing a function's prologue and without saving
|
||||
any registers. It is therefore necessary to preserve the input
|
||||
registers as they may contain function arguments. To work
|
||||
correctly with frame-less functions, it is also necessary to
|
||||
preserve the return pointer (b0 aka rp).
|
||||
|
||||
State upon entering _mcount:
|
||||
|
||||
r8 address of return value structure (used only when called
|
||||
function returns a large structure)
|
||||
r15 static link (used only for nested functions)
|
||||
in0 ar.pfs to restore before returning to the function that
|
||||
called _mcount
|
||||
in1 gp value to restore before returning to the function that
|
||||
called _mcount
|
||||
in2 return address in the function that invoked the caller
|
||||
of _mcount (frompc)
|
||||
in3 address of the global-offset table entry that holds the
|
||||
profile count dword allocated by the compiler; to get
|
||||
the address of this dword, use "ld8 in2=[in2]; this
|
||||
dword can be used in any way by _mcount (including
|
||||
not at all, as is the case with the current implementation)
|
||||
b0 address to return to after _mcount is done
|
||||
*/
|
||||
|
||||
#include <sysdep.h>
|
||||
|
||||
#undef ret
|
||||
|
||||
.psr abi64
|
||||
.psr lsb
|
||||
.lsb
|
||||
|
||||
LEAF(_mcount)
|
||||
alloc loc0 = ar.pfs, 4, 4, 3, 0
|
||||
mov loc1 = rp
|
||||
mov loc2 = r8 // gcc uses r8 to pass pointer to return structure
|
||||
;;
|
||||
mov loc3 = r15 // gcc uses r15 to pass the static link to nested functions
|
||||
mov out0 = in2
|
||||
mov out1 = rp
|
||||
br.call.sptk.few rp = __mcount_internal
|
||||
;;
|
||||
.here:
|
||||
{
|
||||
.mii
|
||||
mov gp = in1
|
||||
mov r2 = ip
|
||||
mov ar.pfs = loc0
|
||||
}
|
||||
;;
|
||||
adds r2 = 1f - .here, r2
|
||||
mov b7 = loc1
|
||||
mov rp = in2
|
||||
;;
|
||||
mov r8 = loc2
|
||||
mov r15 = loc3
|
||||
mov b6 = r2
|
||||
br.ret.sptk.few b6
|
||||
|
||||
1: alloc r2 = ar.pfs, 0, 0, 9, 0
|
||||
mov ar.pfs = r40
|
||||
br b7
|
||||
END(_mcount)
|
||||
|
||||
weak_alias (_mcount, mcount)
|
116
sysdeps/ia64/elf/initfini.c
Normal file
116
sysdeps/ia64/elf/initfini.c
Normal file
@ -0,0 +1,116 @@
|
||||
/* Special .init and .fini section support for ia64.
|
||||
Copyright (C) 2000 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 Library General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 of the License, or (at your option) any later version.
|
||||
|
||||
In addition to the permissions in the GNU Library General Public
|
||||
License, the Free Software Foundation gives you unlimited
|
||||
permission to link the compiled version of this file with other
|
||||
programs, and to distribute those programs without any restriction
|
||||
coming from the use of this file. (The Library General Public
|
||||
License restrictions do apply in other respects; for example, they
|
||||
cover modification of the file, and distribution when not linked
|
||||
into another program.)
|
||||
|
||||
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 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, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* This file is compiled into assembly code which is then munged by a sed
|
||||
script into two files: crti.s and crtn.s.
|
||||
|
||||
* crti.s puts a function prologue at the beginning of the
|
||||
.init and .fini sections and defines global symbols for
|
||||
those addresses, so they can be called as functions.
|
||||
|
||||
* crtn.s puts the corresponding function epilogues
|
||||
in the .init and .fini sections. */
|
||||
|
||||
__asm__ ("
|
||||
|
||||
#include \"defs.h\"
|
||||
|
||||
/*@HEADER_ENDS*/
|
||||
|
||||
/*@_init_PROLOG_BEGINS*/
|
||||
.section .init
|
||||
.align 16
|
||||
.global _init#
|
||||
.proc _init#
|
||||
_init:
|
||||
alloc r34 = ar.pfs, 0, 3, 0, 0
|
||||
mov r32 = r12
|
||||
mov r33 = b0
|
||||
adds r12 = -16, r12
|
||||
addl r14 = @ltoff(@fptr(__gmon_start__#)), gp
|
||||
;;
|
||||
ld8 r15 = [r14]
|
||||
;;
|
||||
cmp.eq p6, p7 = 0, r15
|
||||
(p6) br.cond.dptk .L5
|
||||
|
||||
/* we could use r35 to save gp, but we use the stack since that's what
|
||||
* all the other init routines will do --davidm 00/04/05 */
|
||||
st8 [r12] = gp, -16
|
||||
br.call.sptk.many b0 = __gmon_start__# ;;
|
||||
adds r12 = 16, r12
|
||||
;;
|
||||
ld8 gp = [r12]
|
||||
;;
|
||||
.L5:
|
||||
.align 16
|
||||
.endp _init#
|
||||
|
||||
/*@_init_PROLOG_ENDS*/
|
||||
|
||||
/*@_init_EPILOG_BEGINS*/
|
||||
.section .init
|
||||
.regstk 0,2,0,0
|
||||
mov r12 = r32
|
||||
mov ar.pfs = r34
|
||||
mov b0 = r33
|
||||
br.ret.sptk.many b0
|
||||
.endp _init#
|
||||
/*@_init_EPILOG_ENDS*/
|
||||
|
||||
/*@_fini_PROLOG_BEGINS*/
|
||||
.section .fini
|
||||
.align 16
|
||||
.global _fini#
|
||||
.proc _fini#
|
||||
_fini:
|
||||
alloc r34 = ar.pfs, 0, 3, 0, 0
|
||||
mov r32 = r12
|
||||
mov r33 = b0
|
||||
adds r12 = -16, r12
|
||||
;;
|
||||
.align 16
|
||||
.endp _fini#
|
||||
|
||||
/*@_fini_PROLOG_ENDS*/
|
||||
br.call.sptk.many b0 = i_am_not_a_leaf# ;;
|
||||
;;
|
||||
|
||||
/*@_fini_EPILOG_BEGINS*/
|
||||
.section .fini
|
||||
mov r12 = r32
|
||||
mov ar.pfs = r34
|
||||
mov b0 = r33
|
||||
br.ret.sptk.many b0
|
||||
.endp _fini#
|
||||
|
||||
/*@_fini_EPILOG_ENDS*/
|
||||
|
||||
/*@TRAILER_BEGINS*/
|
||||
.weak __gmon_start__#
|
||||
");
|
35
sysdeps/ia64/sysdep.h
Normal file
35
sysdeps/ia64/sysdep.h
Normal file
@ -0,0 +1,35 @@
|
||||
/* Copyright (C) 2000 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 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
|
||||
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., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <sysdeps/generic/sysdep.h>
|
||||
|
||||
#ifdef __ASSEMBLER__
|
||||
|
||||
#define LEAF(name) \
|
||||
.text; \
|
||||
.align 32; \
|
||||
.proc C_SYMBOL_NAME(name); \
|
||||
.global name; \
|
||||
C_LABEL(name)
|
||||
|
||||
/* Mark the end of function SYM. */
|
||||
#undef END
|
||||
#define END(sym) .endp C_SYMBOL_NAME(sym)
|
||||
|
||||
#endif /* ASSEMBLER */
|
@ -68,6 +68,7 @@ ENTRY(__clone)
|
||||
mov ar.pfs = loc0
|
||||
mov gp = loc1
|
||||
mov r32 = r8 // exit value
|
||||
;;
|
||||
br.call.sptk b0 = _exit // we're out of here
|
||||
|
||||
PSEUDO_END(__clone)
|
||||
|
@ -19,6 +19,7 @@
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <sysdeps/unix/sysdep.h>
|
||||
#include <sysdeps/ia64/sysdep.h>
|
||||
|
||||
/* For Linux we can use the system call table in the header file
|
||||
/usr/include/asm/unistd.h
|
||||
|
Loading…
Reference in New Issue
Block a user