glibc/sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h
Ulrich Drepper 9c4c002459 Update.
1998-09-14  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/mach/hurd/dl-cache.c (_dl_unload_cache): New dummy
	function.  Reported by okuji@kuicr.kyoto-u.ac.jp [PR libc/789].

1998-09-15  David S. Miller  <davem@pierdol.cobaltmicro.com>

	* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_runtime_setup):
	Add profiling support.
	(TRAMPOLINE_TEMPLATE): New macro.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
	(RTLD_START): Prettify, and set __libc_stack_end properly.
	(elf_machine_rela) [R_SPARC_COPY]: Remove RTLD_BOOTSTRAP ifndef
	and check for sym being NULL instead.
	* sysdeps/sparc/sparc64/addmul_1.S: Adjust to allocate 192 bytes
	of stack space.
	* sysdeps/sparc/sparc64/lshift.S: Likewise.
	* sysdeps/sparc/sparc64/mul_1.S: Likewise.
	* sysdeps/sparc/sparc64/rshift.S: Likewise.
	* sysdeps/sparc/sparc64/submul_1.S: Likewise.
	* sysdeps/sparc/sparc64/elf/crtbegin.S: Likewise and remove old
	MEDANY code model %g4 usage.
	* sysdeps/sparc/sparc64/elf/crtend.S: Likewise and remove old
	MEDANY code model %g4 usage.
	* sysdeps/sparc/sparc64/elf/start.S: Rework to not use old FULLANY
	code model address formation.
	* sysdeps/sparc/sparc64/dl-machine.h: Don't include link.h, do
	include elf/ldsodefs.h
	(DT_SPARC): Remove.
	(elf_machine_matches_host): It is now EM_SPARCV9.
	(elf_machine_dynamic): Clean up to remove ugly cast.
	(elf_machine_fixup_plt): Rework for new V9 ABI, add support for
	new PLT formats.
	(elf_machine_rela): Don't do anything at all for R_SPARC_NONE.
	Prettify rest of function.
	[R_SPARC_COPY]: Check for sym being NULL.
	[R_SPARC_32]: Handle it.
	[R_SPARC_H44, R_SPARC_M44, R_SPARC_L44]: Handle them for the
	MEDMID code model.
	[R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22]: Handle them for the
	MEDANY code model.
	[R_SPARC_NONE]: Remove this case, as it is now checked earlier.
	(elf_machine_runtime_setup): Rewrite for new V9 ABI plt formats.
	Add profiling support.
	(TRAMPOLINE_TEMPLATE): New macro.
	(ELF_MACHINE_RUNTIME_TRAMPOLINE): Define in terms of that.
	(RTLD_START): Prettify and set __libc_stack_end.
	* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h (SA_SIGINFO):
	Define.
	* sysdeps/unix/sysv/linux/sparc/bits/signum.h (_NSIG): Set to 64.
	(SIGRTMIN, SIGRTMAX, __SIGRTMIN, __SIGRTMAX): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc32/brk.c (__brk): Remove
	unused variable scratch.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
	(__syscall_rt_sigaction, __rt_sigreturn_stub, __sigreturn_stub):
	Declare.
	(__sigaction): Rewrite rt_sigaction case to pass correct sigreturn
	stub to rt_sigaction syscalls.  Rewrite non-rt case to use correct
	old format kernel sigaction structures.
	* sysdeps/unix/sysv/linux/sparc/sparc64/ucontext.h: Move...
	* sysdeps/unix/sysv/linux/sparc/sparc64/sys/ucontext.h: to here.
	* sysdeps/unix/sysv/linux/sparc/sparc64/Dist: Remove ucontext.h
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Fix
	ucontext include.
	(_JMPBUF_UNWINDS): Define.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/statfs.h: Declare
	statfs64 structure, which is exactly the same as the normal one.
	* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Allocate 192 bytes
	of stack.  Use correct syscall trap number.  Add branch prediction
	settings to branch instructions.  Remove old MEDANY code model %g4
	referneces for non-PIC.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/init-first.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add
	__libc_longjmp and __libc_siglongjmp strong aliases.
	* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c (__readdir64):
	Also define to __no__readdir64_decl around readdir.c inclusion.
	(__readdir64): Add strong alias.
	* sysdeps/unix/sysv/linux/sparc/sparc64/socket.S: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (getrlimit):
	Set strong and weak names properly.

1998-09-16 11:25  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/Makefile (AWK): Default to gawk if standalone.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makefile (distribute): Undo last change.
	* Make-dist (+tsrc) [not subdir]: Also include indirection headers
	for sysdep headers.
	(+subdir-headers): Removed, unused.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdio-common/Makefile ($(inst_includedir)/bits/stdio_lim.h): Use
	$(do-install).

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules ($(+sysdir_pfx)sysd-Makefile): Don't check for
	absolute name in $(config-sysdirs), can never happen.
	($(+sysdir_pfx)sysd-rules): Likewise.
	* Makeconfig (full-config-sysdirs): Likewise.
	(all-Subdirs-files): Prepend $(..).

	* configure.in: Don't check for absolute name in $add_ons_pfx, can
	not happen.  Let --enable-add-ons=yes work if no add-ons actually
	exist.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Rules ($(common-objpfx)bits/stdio_%.h): Remove extra
	continuations in command.

1998-09-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/oldstdfiles.c (_IO_stdin_used): Update declaration.
1998-09-16 17:54:34 +00:00

92 lines
2.7 KiB
C

/* Prepare arguments for library initialization function.
Copyright (C) 1997 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.
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. */
/* The job of this fragment it to find argc and friends for INIT.
This is done in one of two ways: either in the stack context
of program start, or having dlopen pass them in. */
#include <sysdep.h>
#define __S1(x) #x
#define __S(x) __S1(x)
#ifdef PIC
#define SYSDEP_CALL_INIT(NAME, INIT) asm("\
.weak _dl_starting_up
.global " #NAME "
.type " #NAME ",@function
" #NAME ":
save %sp, -192, %sp
1: call 11f
sethi %hi(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
11: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(1b-.)), %l7
add %l7, %o7, %l7
/* Are we a dynamic libc being loaded into a static program? */
sethi %hi(_dl_starting_up), %l2
or %l2, %lo(_dl_starting_up), %l2
ldx [%l7+%l2], %l2
brz,pn %l2, 3f
sethi %hi(__libc_multiple_libcs), %l3
ld [%l2], %l4
mov %g0, %l2
movrz %l4, 1, %l2
3: or %l3, %lo(__libc_multiple_libcs), %l3
ldx [%l7+%l3], %l3
st %l2, [%l3]
/* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */
brnz,pn %l2, " #INIT "
restore
ldx [%sp+" __S(STACK_BIAS) "+22*8], %o0
add %sp, " __S(STACK_BIAS) "+23*8, %o1
sllx %o0, 3, %o2
add %o2, %o1, %o2
ba " #INIT "
add %o2, 8, %o2
.size "#NAME ", .-" #NAME);
#else
#define SYSDEP_CALL_INIT(NAME, INIT) asm("\
.weak _dl_starting_up
.global " #NAME "
.type " #NAME ",@function
" #NAME ":
/* Are we a dynamic libc being loaded into a static program? */
sethi %hi(_dl_starting_up), %g2
or %g2, %lo(_dl_starting_up), %g2
brz,pt %g2, 3f
sethi %hi(__libc_multiple_libcs), %g3
ld [%g2], %g1
mov %g0, %g2
movrz %g1, 1, %g2
3: st %g2, [%g3 + %lo(__libc_multiple_libcs)]
/* If so, argc et al are in %o0-%o2 already. Otherwise, load them. */
brnz,pn %g2, " #INIT "
nop
ldx [%sp+" __S(STACK_BIAS) "+22*8], %o0
add %sp, " __S(STACK_BIAS) "+23*8, %o1
sllx %o0, 3, %o2
add %o2, %o1, %o2
ba " #INIT "
add %o2, 8, %o2
.size "#NAME ", .-" #NAME);
#endif