mirror of
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Update.
1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com> * string/bits/string2.h: Add optimization for strdup. Always define __strsep and __strtok_r and make real names available when feature select macros are defined. 1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/install.texi (Installation): Use i486-linux as example instead of the unsupported sunos4. (Reporting Bugs): Mention glibcbug script. (Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required. 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * posix/wordexp-tst.sh: Make portable. Add more tests. * posix/Makefile (do-globtest do-wordexp-test): New targets. 1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/libc-start.c: Moved to ... * sysdeps/generic/libc-start.c: ...here, replacing former content. * sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and netpacket/packet.h. * sysdeps/unix/sysv/linux/bits/socket.h: Pretty print. 1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma in enumerator for strict standard compliance. * sysdeps/generic/bits/resource.h: Likewise. 1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk> * sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted. (PLTJMP): New macro. * sysdeps/arm/fpu/__longjmp.S: New file, implementation of longjmp() when floating point enabled. * sysdeps/arm/fpu/setjmp.S: Likewise for setjmp(). * sysdeps/arm/__longjmp.S: Remove floating point code. * sysdeps/arm/setjmp.S: Likewise. * sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name. * sysdeps/arm/bsd-_setjmp.S: Likewise. * sysdeps/arm/memset.S: New file; optimised ARM implementation of memset(). * sysdeps/generic/setsockopt.c (setsockopt): Keep in step with prototype. 1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk> Based on patches from Pat Beirne and Scott Bambrough: * sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary. * sysdeps/arm/bits/fenv.h: New file. * sysdeps/arm/dl-machine.h: New file. Add ELF support. * sysdeps/arm/elf/setjmp.S: Likewise. * sysdeps/arm/elf/start.S: Likewise. * sysdeps/arm/init-first.c: Likewise. * sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT * sysdeps/arm/sysdep.h: Change format of .type directive. Correct comment about floating point to reflect current reality. * sysdeps/unix/arm/brk.S: Support PIC. * sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and re-entrant code. * sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error return; call syscall_error through PLT. * sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump. 1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/netpacket/packet.h: New file. * sysdeps/unix/sysv/linux/netash/ash.h: Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
This commit is contained in:
Ulrich Drepper
parent
52cda95831
commit
3116126871
ChangeLog
bits
manual
posix
string/bits
sysdeps
arm
generic
unix
84
ChangeLog
84
ChangeLog
@ -1,3 +1,87 @@
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1998-03-18 14:25 Ulrich Drepper <drepper@cygnus.com>
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* string/bits/string2.h: Add optimization for strdup.
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Always define __strsep and __strtok_r and make real names available
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when feature select macros are defined.
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1998-03-18 Andreas Jaeger <aj@arthur.rhein-neckar.de>
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* manual/install.texi (Installation): Use i486-linux as example
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instead of the unsupported sunos4.
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(Reporting Bugs): Mention glibcbug script.
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(Tools for Installation): gcc 2.8.1/egcs 1.0.2 is required.
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1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* posix/wordexp-tst.sh: Make portable. Add more tests.
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* posix/Makefile (do-globtest do-wordexp-test): New targets.
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1998-03-18 13:38 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/unix/sysv/linux/libc-start.c: Moved to ...
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* sysdeps/generic/libc-start.c: ...here, replacing former content.
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* sysdeps/unix/sysv/linux/Dist: Add netash/ash.h and
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netpacket/packet.h.
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* sysdeps/unix/sysv/linux/bits/socket.h: Pretty print.
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1998-03-17 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* sysdeps/unix/sysv/linux/bits/resource.h: Remove trailing comma
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in enumerator for strict standard compliance.
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* sysdeps/generic/bits/resource.h: Likewise.
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1998-03-18 10:04 Philip Blundell <pb@nexus.co.uk>
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* sysdeps/arm/sysdep.h (__ARM_USES_FP): Deleted.
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(PLTJMP): New macro.
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* sysdeps/arm/fpu/__longjmp.S: New file, implementation of
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longjmp() when floating point enabled.
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* sysdeps/arm/fpu/setjmp.S: Likewise for setjmp().
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* sysdeps/arm/__longjmp.S: Remove floating point code.
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* sysdeps/arm/setjmp.S: Likewise.
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* sysdeps/arm/bsd-setjmp.S: Call __sigsetjmp by correct name.
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* sysdeps/arm/bsd-_setjmp.S: Likewise.
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* sysdeps/arm/memset.S: New file; optimised ARM implementation of
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memset().
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* sysdeps/generic/setsockopt.c (setsockopt): Keep in step with
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prototype.
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1998-03-17 16:16 Philip Blundell <pb@nexus.co.uk>
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Based on patches from Pat Beirne and Scott Bambrough:
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* sysdeps/arm/__longjmp.S: Use ip, not r2, as temporary.
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* sysdeps/arm/bits/fenv.h: New file.
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* sysdeps/arm/dl-machine.h: New file. Add ELF support.
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* sysdeps/arm/elf/setjmp.S: Likewise.
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* sysdeps/arm/elf/start.S: Likewise.
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* sysdeps/arm/init-first.c: Likewise.
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* sysdeps/arm/setjmp.S: Call __sigjmp_save through PLT
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* sysdeps/arm/sysdep.h: Change format of .type directive. Correct
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comment about floating point to reflect current reality.
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* sysdeps/unix/arm/brk.S: Support PIC.
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* sysdeps/unix/arm/sysdep.S (syscall_error): Support PIC and
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re-entrant code.
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* sysdeps/unix/sysv/linux/arm/socket.S: Check correctly for error
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return; call syscall_error through PLT.
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* sysdeps/unix/sysv/linux/arm/sysdep.h (ENTRY): Correct error jump.
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1998-03-04 12:01 Philip Blundell <pb@nexus.co.uk>
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* sysdeps/unix/sysv/linux/netpacket/packet.h: New file.
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* sysdeps/unix/sysv/linux/netash/ash.h: Likewise.
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* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install them.
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1998-03-18 Ulrich Drepper <drepper@cygnus.com>
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* dirent/list.c (test): Return error value.
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@ -1,5 +1,5 @@
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/* Bit values & structures for resource limits. 4.4 BSD/generic GNU version.
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Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc.
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Copyright (C) 1994, 1996, 1997, 1998 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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@ -65,7 +65,7 @@ enum __rlimit_resource
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#define RLIMIT_NOFILE RLIMIT_NOFILE
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RLIMIT_NLIMITS, /* Number of limit flavors. */
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RLIM_NLIMITS = RLIMIT_NLIMITS, /* Traditional name for same. */
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RLIM_NLIMITS = RLIMIT_NLIMITS /* Traditional name for same. */
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};
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/* Value to indicate that there is no limit. */
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@ -25,14 +25,14 @@ and describes problems you may experience with compilation and
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installation. It is updated more frequently than this manual.
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To configure the GNU C library for your system, run the shell script
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@file{configure} with @code{sh}. Use an argument which is the
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@file{configure} with @code{sh}. You might use an argument which is the
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conventional GNU name for your system configuration---for example,
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@samp{sparc-sun-sunos4.1}, for a Sun 4 running SunOS 4.1.
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@samp{i486-pc-linux-gnu}, for Linux running on i486.
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@xref{Installation, Installation, Installing GNU CC, gcc.info, Using and
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Porting GNU CC}, for a full description of standard GNU configuration
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names. If you omit the configuration name, @file{configure} will try to
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guess one for you by inspecting the system it is running on. It may or
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may not be able to come up with a guess, and the its guess might be
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may not be able to come up with a guess, and the guess might be
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wrong. @file{configure} will tell you the canonical name of the chosen
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configuration before proceeding.
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@ -109,9 +109,9 @@ because there are bugs in @code{make clean}. Make a directory for the
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build, and run @code{configure} from that directory, like this:
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@smallexample
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mkdir sun4
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cd sun4
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../configure sparc-sun-sunos4.1
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mkdir linux
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cd linux
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../configure
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@end smallexample
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@noindent
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@ -190,14 +190,11 @@ recommend version GNU @code{make} version 3.75. Versions 3.76 and
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GNU @code{libc}.
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@item
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GCC 2.7.2.3
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GCC 2.8.1/EGCS 1.0.2
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On most platforms, the GNU C library can only be compiled with the GNU C
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compiler. We recommend GCC version 2.7.2 or later; earlier versions may
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have problems.
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On PowerPC, GCC versions dated earlier than 970904 are known not to work
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(they crash), including 2.7.2.
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compiler family. We recommend GCC version 2.8.1 and EGCS version 1.0.2
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or later versions of these two; earlier versions may have problems.
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@item
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GNU @code{binutils} 2.8.1.0.23
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@ -363,9 +360,10 @@ If you think you have found some way in which the GNU C library does not
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conform to the ISO and POSIX standards (@pxref{Standards and
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Portability}), that is definitely a bug. Report it!@refill
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Send bug reports to the Internet address
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@email{bug-glibc@@gnu.org}. If you have other problems
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with installation or use, please report those as well.@refill
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Send bug reports to the Internet address @email{bug-glibc@@gnu.org}
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using the @code{glibcbug} script which is installed by the GNU C
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library. If you have other problems with installation or use, please
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report those as well.@refill
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If you are not sure how a function should behave, and this manual
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doesn't tell you, that's a bug in the manual. Report that too! If the
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@ -64,9 +64,14 @@ before-compile := testcases.h
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include ../Rules
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ifeq (no,$(cross-compiling))
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tests: $(objpfx)globtest $(objpfx)wordexp-test
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$(SHELL) -e globtest.sh $(common-objpfx) $(elf-objpfx) $(rtld-installed-name)
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$(SHELL) -e wordexp-tst.sh $(common-objpfx) $(elf-objpfx) $(rtld-installed-name)
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.PHONY: do-globtest do-wordexp-tst
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tests: do-globtest do-wordexp-test
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do-globtest: $(objpfx)globtest
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$(SHELL) -e globtest.sh $(common-objpfx) $(elf-objpfx) \
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$(rtld-installed-name)
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do-wordexp-test: $(objpfx)wordexp-test
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$(SHELL) -e wordexp-tst.sh $(common-objpfx) $(elf-objpfx) \
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$(rtld-installed-name)
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endif
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CFLAGS-regex.c = -Wno-unused -Wno-strict-prototypes
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@ -164,7 +164,7 @@ main (int argc, char *argv[])
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const char *globfile[] = { "one", "two", "three", NULL };
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char tmpdir[32];
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struct passwd *pw;
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char *cwd;
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const char *cwd;
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int test;
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int fail = 0;
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int i;
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@ -12,7 +12,13 @@ rtld_installed_name=$1; shift
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testout=$TMPDIR/wordexp-test-result
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failed=0
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export IFS=$(echo -e " \t\n")
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# This is written in this funny way so that there is no trailing whitespace.
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# The first line contains a space followed by a tab.
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IFS=" \
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"
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export IFS
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${elf_objpfx}${rtld_installed_name} --library-path ${common_objpfx} \
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${common_objpfx}posix/wordexp-test '$*' > ${testout}1
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@ -70,4 +76,20 @@ we_wordv[2] = "4"
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we_wordv[3] = "th"
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EOF
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${elf_objpfx}${rtld_installed_name} --library-path ${common_objpfx} \
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${common_objpfx}posix/wordexp-test '${11}' 2 3 4 5 6 7 8 9 10 11 > ${testout}8
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cat <<"EOF" | cmp - ${testout}8 || failed=1
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wordexp returned 0
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we_wordv[0] = "11"
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EOF
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${elf_objpfx}${rtld_installed_name} --library-path ${common_objpfx} \
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${common_objpfx}posix/wordexp-test '"a $@ b"' c d > ${testout}9
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cat <<"EOF" | cmp - ${testout}9 || failed=1
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wordexp returned 0
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we_wordv[0] = "a "a $@ b""
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we_wordv[1] = "c"
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we_wordv[2] = "d b"
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EOF
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exit $failed
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@ -1548,7 +1548,7 @@ envsubst:
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pattern = qtd_pattern;
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}
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if (pattern == NULL && (pattern = __strdup("")) == NULL)
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if (pattern == NULL && (pattern = __strdup ("")) == NULL)
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goto no_space;
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error = wordexp (pattern, &we, flags);
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@ -1563,8 +1563,8 @@ envsubst:
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assert (!quoted || we.we_wordc == 1);
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/* Substitute */
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for (i = 0; i < we.we_wordc; i++)
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if (w_addword (pwordexp, __strdup(we.we_wordv[i]))
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for (i = 0; i < we.we_wordc; ++i)
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if (w_addword (pwordexp, __strdup (we.we_wordv[i]))
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== WRDE_NOSPACE)
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break;
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@ -704,9 +704,8 @@ strnlen (__const char *__string, size_t __maxlen)
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#endif
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#if defined __USE_POSIX || defined __USE_MISC
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# ifndef _HAVE_STRING_ARCH_strtok_r
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# define strtok_r(s, sep, nextp) \
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#ifndef _HAVE_STRING_ARCH_strtok_r
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# define __strtok_r(s, sep, nextp) \
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(__extension__ (__builtin_constant_p (sep) && __string2_1bptr_p (sep) \
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? (((__const unsigned char *) (sep))[0] != '\0' \
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&& ((__const unsigned char *) (sep))[1] == '\0' \
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@ -740,14 +739,15 @@ __strtok_r_1c (char *__s, char __sep, char **__nextp)
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}
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return __result;
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}
|
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# if defined __USE_POSIX || defined __USE_MISC
|
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# define strtok_r(s, sep, nextp) __strtok_r (s, sep, nextp)
|
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# endif
|
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#endif
|
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|
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|
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#ifdef __USE_BSD
|
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# ifndef _HAVE_STRING_ARCH_strsep
|
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#ifndef _HAVE_STRING_ARCH_strsep
|
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|
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# define strsep(s, reject) \
|
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# define __strsep(s, reject) \
|
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(__extension__ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \
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&& ((__const unsigned char *) (reject))[0] != '\0' \
|
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? (((__const unsigned char *) (reject))[1] == '\0' \
|
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@ -844,6 +844,31 @@ __strsep_g (char **__s, __const char *__reject)
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*(*__s)++ = '\0';
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return __retval;
|
||||
}
|
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# ifdef __USE_BSD
|
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# define strsep(s, reject) __strsep (s, reject)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined _HAVE_STRING_ARCH_strdup && !defined __STRICT_ANSI__
|
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|
||||
/* We need the memory allocation functions. Including this header is
|
||||
not allowed. */
|
||||
# include <stdlib.h>
|
||||
|
||||
# define __strdup(s) \
|
||||
(__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s)
|
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? (((__const unsigned char *) (s))[0] == '\0'
|
||||
? return (char *) calloc (1, 1);
|
||||
: ({ size_t len = strlen (s) + 1;
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||||
char *retval = (char *) malloc (len);
|
||||
if (retval != NULL)
|
||||
retval = (char *) memcpy (retval, s, len);
|
||||
retval; }))
|
||||
: strdup (s)))
|
||||
|
||||
# if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
||||
# define strdup(s) __strdup (s)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* longjmp for ARM.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1998 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
|
||||
@ -29,10 +29,5 @@ ENTRY (__longjmp)
|
||||
movs r0, r1 /* get the return value in place */
|
||||
moveq r1, #1 /* can't let setjmp() return zero! */
|
||||
|
||||
#if __ARM_USES_FP
|
||||
add r2, r2, #48
|
||||
lfmfd f4, 4, [r2]
|
||||
#endif
|
||||
|
||||
LOADREGS(ia, r2, {v1-v6, sl, fp, sp, pc})
|
||||
END (__longjmp)
|
||||
|
||||
90
sysdeps/arm/bits/fenv.h
Normal file
90
sysdeps/arm/bits/fenv.h
Normal file
@ -0,0 +1,90 @@
|
||||
/* Copyright (C) 1997, 1998 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. */
|
||||
|
||||
#ifndef _FENV_H
|
||||
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
|
||||
#endif
|
||||
|
||||
|
||||
/* Define bits representing the exception. We use the bit positions
|
||||
of the appropriate bits in the FPU control word. */
|
||||
enum
|
||||
{
|
||||
FE_INVALID = 0x01,
|
||||
#define FE_INVALID FE_INVALID
|
||||
__FE_DENORM = 0x02,
|
||||
FE_DIVBYZERO = 0x04,
|
||||
#define FE_DIVBYZERO FE_DIVBYZERO
|
||||
FE_OVERFLOW = 0x08,
|
||||
#define FE_OVERFLOW FE_OVERFLOW
|
||||
FE_UNDERFLOW = 0x10,
|
||||
#define FE_UNDERFLOW FE_UNDERFLOW
|
||||
FE_INEXACT = 0x20
|
||||
#define FE_INEXACT FE_INEXACT
|
||||
};
|
||||
|
||||
#define FE_ALL_EXCEPT \
|
||||
(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
|
||||
|
||||
/* The ARM FPU supports all of the four defined rounding modes. We
|
||||
use again the bit positions in the FPU control word as the values
|
||||
for the appropriate macros. */
|
||||
enum
|
||||
{
|
||||
FE_TONEAREST = 0,
|
||||
#define FE_TONEAREST FE_TONEAREST
|
||||
FE_DOWNWARD = 0x400,
|
||||
#define FE_DOWNWARD FE_DOWNWARD
|
||||
FE_UPWARD = 0x800,
|
||||
#define FE_UPWARD FE_UPWARD
|
||||
FE_TOWARDSZERO = 0xc00
|
||||
#define FE_TOWARDSZERO FE_TOWARDSZERO
|
||||
};
|
||||
|
||||
|
||||
/* Type representing exception flags. */
|
||||
typedef unsigned short int fexcept_t;
|
||||
|
||||
|
||||
/* Type representing floating-point environment. This function corresponds
|
||||
to the layout of the block written by the `fstenv'. */
|
||||
typedef struct
|
||||
{
|
||||
unsigned short int control_word;
|
||||
unsigned short int __unused1;
|
||||
unsigned short int status_word;
|
||||
unsigned short int __unused2;
|
||||
unsigned short int tags;
|
||||
unsigned short int __unused3;
|
||||
unsigned int eip;
|
||||
unsigned short int cs_selector;
|
||||
unsigned int opcode:11;
|
||||
unsigned int __unused4:5;
|
||||
unsigned int data_offset;
|
||||
unsigned short int data_selector;
|
||||
unsigned short int __unused5;
|
||||
}
|
||||
fenv_t;
|
||||
|
||||
/* If the default argument is used we use this value. */
|
||||
#define FE_DFL_ENV ((fenv_t *) -1)
|
||||
|
||||
#ifdef __USE_GNU
|
||||
/* Floating-point environment where none of the exception is masked. */
|
||||
# define FE_NOMASK_ENV ((fenv_t *) -2)
|
||||
#endif
|
||||
@ -1,5 +1,5 @@
|
||||
/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. ARM version.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1998 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
|
||||
@ -25,5 +25,5 @@
|
||||
|
||||
ENTRY (_setjmp)
|
||||
mov r1, #0
|
||||
b __sigsetjmp
|
||||
b C_SYMBOL_NAME(__sigsetjmp)
|
||||
END (_setjmp)
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. ARM version.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1998 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
|
||||
@ -25,5 +25,5 @@
|
||||
|
||||
ENTRY (setjmp)
|
||||
mov r1, #1
|
||||
b __sigsetjmp
|
||||
b C_SYMBOL_NAME(__sigsetjmp)
|
||||
END (setjmp)
|
||||
|
||||
478
sysdeps/arm/dl-machine.h
Normal file
478
sysdeps/arm/dl-machine.h
Normal file
@ -0,0 +1,478 @@
|
||||
/* Machine-dependent ELF dynamic relocation inline functions. ARM version.
|
||||
Copyright (C) 1995, 1996, 1997, 1998 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. */
|
||||
|
||||
#ifndef dl_machine_h
|
||||
#define dl_machine_h
|
||||
|
||||
#define ELF_MACHINE_NAME "ARM"
|
||||
|
||||
#include <sys/param.h>
|
||||
|
||||
#include <assert.h>
|
||||
|
||||
/* Return nonzero iff E_MACHINE is compatible with the running host. */
|
||||
static inline int __attribute__ ((unused))
|
||||
elf_machine_matches_host (Elf32_Half e_machine)
|
||||
{
|
||||
switch (e_machine)
|
||||
{
|
||||
case EM_ARM:
|
||||
return 1;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Return the link-time address of _DYNAMIC. Conveniently, this is the
|
||||
first element of the GOT. This must be inlined in a function which
|
||||
uses global data. */
|
||||
static inline Elf32_Addr __attribute__ ((unused))
|
||||
elf_machine_dynamic (void)
|
||||
{
|
||||
register Elf32_Addr *got asm ("r10");
|
||||
return *got;
|
||||
}
|
||||
|
||||
|
||||
/* Return the run-time load address of the shared object. */
|
||||
// patb
|
||||
static inline Elf32_Addr __attribute__ ((unused))
|
||||
elf_machine_load_address (void)
|
||||
{
|
||||
Elf32_Addr addr;
|
||||
asm (" ldr ip,.L1
|
||||
ldr r3,.L3
|
||||
add r3, r3, sl
|
||||
ldr ip,[sl, ip]
|
||||
sub ip, r3, ip
|
||||
b .L2
|
||||
.L1: .word _dl_start(GOT)
|
||||
.L3: .word _dl_start(GOTOFF)
|
||||
.L2: mov %0, ip"
|
||||
: "=r" (addr) : : "ip", "r3");
|
||||
return addr;
|
||||
}
|
||||
|
||||
|
||||
/* Set up the loaded object described by L so its unrelocated PLT
|
||||
entries will jump to the on-demand fixup code in dl-runtime.c. */
|
||||
|
||||
static inline int __attribute__ ((unused))
|
||||
elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
|
||||
{
|
||||
Elf32_Addr *got;
|
||||
extern void _dl_runtime_resolve (Elf32_Word);
|
||||
extern void _dl_runtime_profile (Elf32_Word);
|
||||
|
||||
if (l->l_info[DT_JMPREL] && lazy)
|
||||
{
|
||||
/* patb: this is different than i386 */
|
||||
/* The GOT entries for functions in the PLT have not yet been filled
|
||||
in. Their initial contents will arrange when called to push an
|
||||
index into the .got section, load ip with &_GLOBAL_OFFSET_TABLE_[3],
|
||||
and then jump to _GLOBAL_OFFSET_TABLE[2]. */
|
||||
got = (Elf32_Addr *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);
|
||||
got[1] = (Elf32_Addr) l; /* Identify this shared object. */
|
||||
|
||||
/* The got[2] entry contains the address of a function which gets
|
||||
called to get the address of a so far unresolved function and
|
||||
jump to it. The profiling extension of the dynamic linker allows
|
||||
to intercept the calls to collect information. In this case we
|
||||
don't store the address in the GOT so that all future calls also
|
||||
end in this function. */
|
||||
if (profile)
|
||||
{
|
||||
got[2] = (Elf32_Addr) &_dl_runtime_profile;
|
||||
/* Say that we really want profiling and the timers are started. */
|
||||
_dl_profile_map = l;
|
||||
}
|
||||
else
|
||||
/* This function will get called to fix up the GOT entry indicated by
|
||||
the offset on the stack, and then jump to the resolved address. */
|
||||
got[2] = (Elf32_Addr) &_dl_runtime_resolve;
|
||||
}
|
||||
return lazy;
|
||||
}
|
||||
|
||||
/* This code is used in dl-runtime.c to call the `fixup' function
|
||||
and then redirect to the address it returns. */
|
||||
// macro for handling PIC situation....
|
||||
#ifdef PIC
|
||||
#define CALL_ROUTINE(x) " ldr sl,0f
|
||||
add sl, pc, sl
|
||||
1: ldr r2, 2f
|
||||
mov lr, pc
|
||||
add pc, sl, r2
|
||||
b 3f
|
||||
0: .word _GLOBAL_OFFSET_TABLE_ - 1b - 4
|
||||
2: .word " #x "(GOTOFF)
|
||||
3: "
|
||||
#else
|
||||
#define CALL_ROUTINE(x) " bl " #x
|
||||
#endif
|
||||
|
||||
#ifndef PROF
|
||||
# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
|
||||
.text
|
||||
.globl _dl_runtime_resolve
|
||||
.type _dl_runtime_resolve, #function
|
||||
.align 2
|
||||
_dl_runtime_resolve:
|
||||
@ we get called with
|
||||
@ stack[0] contains the return address from this call
|
||||
@ ip contains &GOT[n+3] (pointer to function)
|
||||
@ lr points to &GOT[2]
|
||||
|
||||
@ save almost everything; lr is already on the stack
|
||||
stmdb sp!,{r0-r3,sl,fp}
|
||||
|
||||
@ prepare to call fixup()
|
||||
|
||||
@ change &GOT[n+3] into 8*n NOTE: reloc are 8 bytes each
|
||||
sub r1, ip, lr
|
||||
sub r1, r1, #4
|
||||
add r1, r1, r1
|
||||
|
||||
@ get pointer to linker struct
|
||||
ldr r0, [lr, #-4]
|
||||
|
||||
" CALL_ROUTINE(fixup) "
|
||||
|
||||
@ save the return
|
||||
mov ip, r0
|
||||
|
||||
@ restore the stack
|
||||
ldmia sp!,{r0-r3,sl,fp,lr}
|
||||
|
||||
@ jump to the newly found address
|
||||
mov pc, ip
|
||||
|
||||
.size _dl_runtime_resolve, .-_dl_runtime_resolve
|
||||
|
||||
.globl _dl_runtime_profile
|
||||
.type _dl_runtime_profile, #function
|
||||
.align 2
|
||||
_dl_runtime_profile:
|
||||
@ we get caled with
|
||||
@ stack[0] contains the return address from this call
|
||||
@ ip contains &GOT[n+3] (pointer to function)
|
||||
@ lr points to &GOT[2]
|
||||
|
||||
@ save almost everything; return add is already on the stack
|
||||
stmdb sp!,{r0-r3,fp}
|
||||
|
||||
@ prepare to call fixup()
|
||||
|
||||
@ change &GOT[n+3] into 8*n NOTE: reloc are 8 bytes each
|
||||
sub r1, ip, lr
|
||||
sub r1, r1, #4
|
||||
add r1, r1, r1
|
||||
|
||||
@ get pointer to linker struct
|
||||
ldr r0, [lr, #-4]
|
||||
|
||||
" CALL_ROUTINE(profile_fixup) "
|
||||
|
||||
@ save the return
|
||||
mov ip, r0
|
||||
|
||||
@ restore the stack
|
||||
ldmia sp!,{r0-r3,fp,lr}
|
||||
|
||||
@ jump to the newly found address
|
||||
mov pc, ip
|
||||
|
||||
.size _dl_runtime_profile, .-_dl_runtime_profile
|
||||
.previous
|
||||
");
|
||||
#else // PROF
|
||||
# define ELF_MACHINE_RUNTIME_TRAMPOLINE asm ("\
|
||||
.text
|
||||
.globl _dl_runtime_resolve
|
||||
.globl _dl_runtime_profile
|
||||
.type _dl_runtime_resolve, #function
|
||||
.type _dl_runtime_profile, #function
|
||||
.align 2
|
||||
_dl_runtime_resolve:
|
||||
_dl_runtime_profile:
|
||||
stmdb sp!,{r0-r3,fp}
|
||||
ldr r1,[sp,#0x34]
|
||||
sub r1, ip, lr
|
||||
sub r1, r1, #4
|
||||
add r1, r1, r1
|
||||
ldr r0, [lr, #-4]
|
||||
" CALL_ROUTINE(fixup) "
|
||||
mov ip, r0
|
||||
ldmia sp!,{r0-r3,fp,lr}
|
||||
mov pc, ip
|
||||
|
||||
.size _dl_runtime_profile, .-_dl_runtime_profile
|
||||
.previous
|
||||
");
|
||||
#endif //PROF
|
||||
|
||||
/* Mask identifying addresses reserved for the user program,
|
||||
where the dynamic linker should not map anything. */
|
||||
#define ELF_MACHINE_USER_ADDRESS_MASK 0xf8000000UL
|
||||
|
||||
/* Initial entry point code for the dynamic linker.
|
||||
The C function `_dl_start' is the real entry point;
|
||||
its return value is the user program's entry point. */
|
||||
|
||||
#define RTLD_START asm ("\
|
||||
.text
|
||||
.globl _start
|
||||
.globl _dl_start_user
|
||||
_start:
|
||||
@ at start time, all the args are on the stack
|
||||
mov r0, sp
|
||||
bl _dl_start
|
||||
@ returns user entry point in r0
|
||||
_dl_start_user:
|
||||
mov r6, r0
|
||||
@ we are PIC code, so get global offset table
|
||||
ldr sl, .L_GET_GOT
|
||||
add sl, pc, sl
|
||||
.L_GOT_GOT:
|
||||
@ See if we were run as a command with the executable file
|
||||
@ name as an extra leading argument.
|
||||
ldr r1, .L_SKIP_ARGS
|
||||
ldr r1, [sl, r1]
|
||||
@ get the original arg count
|
||||
ldr r0, [sp]
|
||||
@ subtract _dl_skip_args from it
|
||||
sub r0, r0, r1
|
||||
@ adjust the stack pointer to skip them
|
||||
add sp, sp, r1, lsl #2
|
||||
@ store the new argc in the new stack location
|
||||
str r0, [sp]
|
||||
|
||||
@ now we enter a _dl_init_next loop
|
||||
ldr r2, .L_DEF_SCOPE
|
||||
ldr r2, [sl, r2]
|
||||
ldr r4, [r2, #8]
|
||||
@ call _dl_init_next to get the address of an initalizer
|
||||
0: mov r0, r4
|
||||
bl _dl_init_next(PLT)
|
||||
cmp r0, #0
|
||||
beq 1f
|
||||
@ call the shared-object initializer
|
||||
@ during this call, the stack may get moved around
|
||||
mov lr, pc
|
||||
mov pc, r0
|
||||
@ go back and look for another initializer
|
||||
b 0b
|
||||
1: @ clear the startup flag
|
||||
ldr r2, .L_STARTUP_FLAG
|
||||
ldr r1, [sl, r2]
|
||||
@ we know r0==0 at this point
|
||||
str r0, [r1]
|
||||
@ load the finalizer function
|
||||
ldr r0, .L_FINI_PROC
|
||||
ldr r0, [sl, r0]
|
||||
@ jump to the user_s entry point
|
||||
mov pc, r6
|
||||
.L_GET_GOT:
|
||||
.word _GLOBAL_OFFSET_TABLE_ - .L_GOT_GOT - 4 \n\
|
||||
.L_SKIP_ARGS: \n\
|
||||
.word _dl_skip_args(GOTOFF) \n\
|
||||
.L_DEF_SCOPE: \n\
|
||||
.word _dl_default_scope(GOT) \n\
|
||||
.L_STARTUP_FLAG:
|
||||
.word _dl_starting_up(GOT)
|
||||
.L_FINI_PROC:
|
||||
.word _dl_fini(GOT)
|
||||
.previous\n\
|
||||
");
|
||||
|
||||
/* Nonzero iff TYPE should not be allowed to resolve to one of
|
||||
the main executable's symbols, as for a COPY reloc. */
|
||||
#define elf_machine_lookup_noexec_p(type) ((type) == R_ARM_COPY)
|
||||
|
||||
/* Nonzero iff TYPE describes relocation of a PLT entry, so
|
||||
PLT entries should not be allowed to define the value. */
|
||||
#define elf_machine_lookup_noplt_p(type) ((type) == R_ARM_JMP_SLOT)
|
||||
|
||||
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
|
||||
#define ELF_MACHINE_JMP_SLOT R_ARM_JMP_SLOT
|
||||
|
||||
/* The i386 never uses Elf32_Rela relocations. */
|
||||
#define ELF_MACHINE_NO_RELA 1
|
||||
|
||||
/* We define an initialization functions. This is called very early in
|
||||
_dl_sysdep_start. */
|
||||
#define DL_PLATFORM_INIT dl_platform_init ()
|
||||
|
||||
extern const char *_dl_platform;
|
||||
|
||||
static inline void __attribute__ ((unused))
|
||||
dl_platform_init (void)
|
||||
{
|
||||
if (_dl_platform == NULL)
|
||||
/* We default to ARM
|
||||
This is where processors could be distinguished arm2, arm6, sa110, etc */
|
||||
_dl_platform = "ARM";
|
||||
}
|
||||
|
||||
static inline void
|
||||
elf_machine_fixup_plt (struct link_map *map, const Elf32_Rel *reloc,
|
||||
Elf32_Addr *reloc_addr, Elf32_Addr value)
|
||||
{
|
||||
*reloc_addr = value;
|
||||
}
|
||||
|
||||
/* Return the final value of a plt relocation. */
|
||||
static inline Elf32_Addr
|
||||
elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
|
||||
Elf32_Addr value)
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
#endif /* !dl_machine_h */
|
||||
|
||||
#ifdef RESOLVE
|
||||
|
||||
extern char **_dl_argv;
|
||||
|
||||
/* Perform the relocation specified by RELOC and SYM (which is fully resolved).
|
||||
MAP is the object containing the reloc. */
|
||||
|
||||
static inline void
|
||||
elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
|
||||
const Elf32_Sym *sym, const struct r_found_version *version,
|
||||
Elf32_Addr *const reloc_addr)
|
||||
{
|
||||
if (ELF32_R_TYPE (reloc->r_info) == R_ARM_RELATIVE)
|
||||
{
|
||||
#ifndef RTLD_BOOTSTRAP
|
||||
if (map != &_dl_rtld_map) /* Already done in rtld itself. */
|
||||
#endif
|
||||
*reloc_addr += map->l_addr;
|
||||
}
|
||||
else if (ELF32_R_TYPE (reloc->r_info) != R_ARM_NONE)
|
||||
{
|
||||
const Elf32_Sym *const refsym = sym;
|
||||
Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
|
||||
if (sym)
|
||||
value += sym->st_value;
|
||||
|
||||
switch (ELF32_R_TYPE (reloc->r_info))
|
||||
{
|
||||
case R_ARM_COPY:
|
||||
if (sym == NULL)
|
||||
/* This can happen in trace mode if an object could not be
|
||||
found. */
|
||||
break;
|
||||
if (sym->st_size > refsym->st_size
|
||||
|| (_dl_verbose && sym->st_size < refsym->st_size))
|
||||
{
|
||||
const char *strtab;
|
||||
|
||||
strtab = ((const char *) map->l_addr
|
||||
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
|
||||
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
|
||||
": Symbol `", strtab + refsym->st_name,
|
||||
"' has different size in shared object, "
|
||||
"consider re-linking\n", NULL);
|
||||
}
|
||||
memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
|
||||
refsym->st_size));
|
||||
break;
|
||||
case R_ARM_GLOB_DAT:
|
||||
case R_ARM_JMP_SLOT:
|
||||
|
||||
#if 0
|
||||
#define _HEX(i) for (j=28; j>=0; j-=4) b[7-j/4]="0123456789abcdef"[((int)i>>j)&15];
|
||||
{
|
||||
char b[10];
|
||||
int j;
|
||||
_HEX(map->l_addr);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
_HEX(sym->st_size);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
_HEX(&sym->st_value);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
_HEX(sym->st_value);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
_HEX(sym);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
_HEX(reloc_addr);
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #9; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
b[0]=' '; b[1]='\n';
|
||||
__asm__ (" mov r0, #2; mov r1, %0; mov r2, #2; swi 0x00900004; "
|
||||
: : "r"(b) : "r0", "r1", "r2" );
|
||||
}
|
||||
#endif
|
||||
*reloc_addr = value;
|
||||
break;
|
||||
case R_ARM_32:
|
||||
{
|
||||
#ifndef RTLD_BOOTSTRAP
|
||||
/* This is defined in rtld.c, but nowhere in the static
|
||||
libc.a; make the reference weak so static programs can
|
||||
still link. This declaration cannot be done when
|
||||
compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) because
|
||||
rtld.c contains the common defn for _dl_rtld_map, which
|
||||
is incompatible with a weak decl in the same file. */
|
||||
weak_extern (_dl_rtld_map);
|
||||
if (map == &_dl_rtld_map)
|
||||
/* Undo the relocation done here during bootstrapping.
|
||||
Now we will relocate it anew, possibly using a
|
||||
binding found in the user program or a loaded library
|
||||
rather than the dynamic linker's built-in definitions
|
||||
used while loading those libraries. */
|
||||
value -= map->l_addr + refsym->st_value;
|
||||
#endif
|
||||
*reloc_addr += value;
|
||||
break;
|
||||
}
|
||||
case R_ARM_PC26:
|
||||
*reloc_addr += (value - (Elf32_Addr) reloc_addr);
|
||||
break;
|
||||
default:
|
||||
assert (! "unexpected dynamic reloc type");
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static inline void
|
||||
elf_machine_lazy_rel (struct link_map *map, const Elf32_Rel *reloc)
|
||||
{
|
||||
Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
|
||||
switch (ELF32_R_TYPE (reloc->r_info))
|
||||
{
|
||||
case R_ARM_JMP_SLOT:
|
||||
*reloc_addr += map->l_addr;
|
||||
break;
|
||||
default:
|
||||
assert (! "unexpected PLT reloc type");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#endif /* RESOLVE */
|
||||
76
sysdeps/arm/elf/setjmp.S
Normal file
76
sysdeps/arm/elf/setjmp.S
Normal file
@ -0,0 +1,76 @@
|
||||
/* setjmp for arm, ELF version.
|
||||
Copyright (C) 1995, 1996, 1997, 1998 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. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#define _ASM
|
||||
#define _SETJMP_H
|
||||
#include <bits/setjmp.h>
|
||||
|
||||
/* We include the BSD entry points here as well but we make
|
||||
them weak. */
|
||||
ENTRY (setjmp)
|
||||
.weak C_SYMBOL_NAME (setjmp)
|
||||
@ call comes here with
|
||||
@ lr = return pc
|
||||
@ r0 = &jump_buf
|
||||
|
||||
@ add a second argument into the fray
|
||||
mov r1, #1
|
||||
@ call the common code
|
||||
b __sigsetjmp(PLT)
|
||||
END (setjmp)
|
||||
|
||||
/* Binary compatibility entry point. */
|
||||
ENTRY (_setjmp)
|
||||
.weak C_SYMBOL_NAME (_setjmp)
|
||||
ENTRY (__setjmp)
|
||||
@ call comes here with
|
||||
@ lr = return pc
|
||||
@ r0 = &jump_buf
|
||||
|
||||
@ add a second argument into the fray
|
||||
mov r1, #1
|
||||
@ fall through to the common code....
|
||||
|
||||
ENTRY (__sigsetjmp)
|
||||
@ save the registers into the jmp_buf....
|
||||
stmia r0, {r1-r6, sl, fp, sp, lr}
|
||||
|
||||
/* Make a tail call to __sigjmp_save; it takes the same args. */
|
||||
#ifdef PIC
|
||||
/* We cannot use the PLT, because it requires that sl==r10 be set, but
|
||||
we can't save and restore our caller's value. Instead, we do an
|
||||
indirect jump through the GOT, using for the temporary register
|
||||
ip, which is call-clobbered. */
|
||||
ldr ip, 1f
|
||||
add ip, ip, pc
|
||||
2: @ get the address of __sigjmp_save
|
||||
ldr r1, 3f
|
||||
ldr ip, [ip, r1]
|
||||
@ restore r1
|
||||
ldr r1, [r0]
|
||||
@ jump to *__sigjmp_save
|
||||
mov pc, ip
|
||||
1: .word _GLOBAL_OFFSET_TABLE_ - 2b - 4
|
||||
3: .word __sigjmp_save(GOT)
|
||||
|
||||
#else
|
||||
b __sigjmp_save
|
||||
#endif
|
||||
END (__sigsetjmp)
|
||||
109
sysdeps/arm/elf/start.S
Normal file
109
sysdeps/arm/elf/start.S
Normal file
@ -0,0 +1,109 @@
|
||||
/* Startup code for ARM & ELF
|
||||
Copyright (C) 1995, 1996, 1997, 1998 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. */
|
||||
|
||||
/* This is the canonical entry point, usually the first thing in the text
|
||||
segment.
|
||||
|
||||
Note that the code in the .init section has already been run.
|
||||
This includes _init and _libc_init
|
||||
|
||||
|
||||
At this entry point, most registers' values are unspecified, except for:
|
||||
|
||||
r0 Contains a function pointer to be registered with `atexit'.
|
||||
This is how the dynamic linker arranges to have DT_FINI
|
||||
functions called for shared libraries that have been loaded
|
||||
before this code runs.
|
||||
|
||||
sp The stack contains the arguments and environment:
|
||||
0(%esp) argc
|
||||
4(%esp) argv[0]
|
||||
...
|
||||
(4*argc)(%esp) NULL
|
||||
(4*(argc+1))(%esp) envp[0]
|
||||
...
|
||||
NULL
|
||||
*/
|
||||
|
||||
.text
|
||||
.globl _start
|
||||
_start:
|
||||
/* Clear the frame pointer. The Intel ABI suggests this be done,
|
||||
to mark the outermost frame obviously. This seems like a
|
||||
sensible thing to do */
|
||||
mov fp, #0
|
||||
|
||||
/* r0 contains the address of the shared library termination
|
||||
function, which we will register with `atexit' to be called by
|
||||
`exit'. I suspect that on some systems, and when statically
|
||||
linked, this will not be set by anything to any function
|
||||
pointer; hopefully it will be zero so we don't try to call
|
||||
random pointers. */
|
||||
cmp r0,#0
|
||||
blne atexit(PLT)
|
||||
|
||||
/* Do essential libc initialization. In statically linked
|
||||
programs under the GNU Hurd, this is what sets up the
|
||||
arguments on the stack for the code below. For dyn-link
|
||||
programs, this has been run already, in the .init code. */
|
||||
#ifndef PIC
|
||||
bl __libc_init_first
|
||||
|
||||
/* Extract the arguments and environment as encoded on the stack
|
||||
and set up the arguments for `main': argc, argv, envp. */
|
||||
ldr r0,[sp]
|
||||
add r1,sp,#4
|
||||
add r2,r1,r0,lsl #2
|
||||
add r2,r2,#4
|
||||
/* save a copy of envp while we have it */
|
||||
ldr r3,L_environ
|
||||
str r2,[r3]
|
||||
|
||||
/* Call `_init', which is the entry point to our own `.init'
|
||||
section; and register with `atexit' to have `exit' call
|
||||
`_fini', which is the entry point to our own `.fini' section. */
|
||||
bl _init
|
||||
ldr r0,L_fini
|
||||
bl atexit
|
||||
b L_pfini
|
||||
|
||||
L_fini: .word _fini
|
||||
L_environ: .word _environ
|
||||
L_pfini:
|
||||
#endif
|
||||
/* rebuild the arg list for main() */
|
||||
ldr r0,[sp]
|
||||
add r1,sp,#4
|
||||
add r2,r1,r0,lsl #2
|
||||
add r2,r2,#4
|
||||
|
||||
/* Call the user's main function, and exit with its value. */
|
||||
bl main
|
||||
bl exit
|
||||
/* should never get here....*/
|
||||
bl abort
|
||||
|
||||
|
||||
/* Define a symbol for the first piece of initialized data. */
|
||||
.data
|
||||
.globl __data_start
|
||||
__data_start:
|
||||
.long 0
|
||||
.weak data_start
|
||||
data_start = __data_start
|
||||
36
sysdeps/arm/fpu/__longjmp.S
Normal file
36
sysdeps/arm/fpu/__longjmp.S
Normal file
@ -0,0 +1,36 @@
|
||||
/* longjmp for ARM.
|
||||
Copyright (C) 1997, 1998 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. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#define _SETJMP_H
|
||||
#define _ASM
|
||||
#include <bits/setjmp.h>
|
||||
|
||||
/* __longjmp(jmpbuf, val) */
|
||||
|
||||
ENTRY (__longjmp)
|
||||
movs r2, r0
|
||||
movs r0, r1 /* get the return value in place */
|
||||
moveq r1, #1 /* can't let setjmp() return zero! */
|
||||
|
||||
add r2, r2, #48
|
||||
lfmfd f4, 4, [r2]
|
||||
|
||||
LOADREGS(ia, r2, {v1-v6, sl, fp, sp, pc})
|
||||
END (__longjmp)
|
||||
35
sysdeps/arm/fpu/setjmp.S
Normal file
35
sysdeps/arm/fpu/setjmp.S
Normal file
@ -0,0 +1,35 @@
|
||||
/* setjmp for ARM.
|
||||
Copyright (C) 1997, 1998 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. */
|
||||
|
||||
#include <sysdep.h>
|
||||
#define _SETJMP_H
|
||||
#define _ASM
|
||||
#include <bits/setjmp.h>
|
||||
|
||||
/* Binary compatibility entry point. */
|
||||
ENTRY (__setjmp)
|
||||
mov r1, #0
|
||||
ENTRY (__sigsetjmp)
|
||||
/* Save registers */
|
||||
sfmea f4, 4, [r0]!
|
||||
stmia r0, {v1-v6, sl, fp, sp, lr}
|
||||
|
||||
/* Make a tail call to __sigjmp_save; it takes the same args. */
|
||||
B PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
|
||||
END (__setjmp)
|
||||
71
sysdeps/arm/init-first.c
Normal file
71
sysdeps/arm/init-first.c
Normal file
@ -0,0 +1,71 @@
|
||||
/* Initialization code run first thing by the ELF startup code. For ARM.
|
||||
Copyright (C) 1995, 1996, 1997, 1998 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. */
|
||||
|
||||
#include <unistd.h>
|
||||
|
||||
extern void __libc_init (int, char **, char **);
|
||||
extern void __getopt_clean_environment (char **);
|
||||
extern void __libc_global_ctors (void);
|
||||
|
||||
int __libc_multiple_libcs = 1;
|
||||
|
||||
pid_t __libc_pid;
|
||||
|
||||
static void
|
||||
init (int *data)
|
||||
{
|
||||
int argc = *data;
|
||||
char **argv = (void *) (data + 1);
|
||||
char **envp = &argv[argc + 1];
|
||||
|
||||
__environ = envp;
|
||||
__libc_init (argc, argv, envp);
|
||||
|
||||
/* This is a hack to make the special getopt in GNU libc working. */
|
||||
__getopt_clean_environment (envp);
|
||||
}
|
||||
|
||||
#ifdef PIC
|
||||
/* This function is called to initialize the shared C library.
|
||||
It is called just before the user _start code from i386/elf/start.S,
|
||||
with the stack set up as that code gets it. */
|
||||
|
||||
/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
|
||||
pointer in the dynamic section based solely on that. It is convention
|
||||
for this function to be in the `.init' section, but the symbol name is
|
||||
the only thing that really matters!! */
|
||||
/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
|
||||
|
||||
void
|
||||
_init (int argc, ...)
|
||||
{
|
||||
init (&argc);
|
||||
|
||||
__libc_global_ctors ();
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
void
|
||||
__libc_init_first (int argc __attribute__ ((unused)), ...)
|
||||
{
|
||||
#ifndef PIC
|
||||
init (&argc);
|
||||
#endif
|
||||
}
|
||||
68
sysdeps/arm/memset.S
Normal file
68
sysdeps/arm/memset.S
Normal file
@ -0,0 +1,68 @@
|
||||
/* Copyright (C) 1998 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Philip Blundell <philb@gnu.org>
|
||||
|
||||
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 <sysdep.h>
|
||||
|
||||
/* void *memset (dstpp, c, len) */
|
||||
|
||||
ENTRY(memset)
|
||||
mov a4, a1
|
||||
cmp a3, $8 @ at least 8 bytes to do?
|
||||
blt 2f
|
||||
orr a2, a2, a2, lsl $8
|
||||
orr a2, a2, a2, lsl $16
|
||||
1:
|
||||
tst a4, $3 @ aligned yet?
|
||||
strneb a2, [a4], $1
|
||||
subne a3, a3, $1
|
||||
bne 1b
|
||||
mov ip, a2
|
||||
1:
|
||||
cmp a3, $8 @ 8 bytes still to do?
|
||||
blt 2f
|
||||
stmia a4!, {a2, ip}
|
||||
sub a3, a3, $8
|
||||
cmp a3, $8 @ 8 bytes still to do?
|
||||
blt 2f
|
||||
stmia a4!, {a2, ip}
|
||||
sub a3, a3, $8
|
||||
cmp a3, $8 @ 8 bytes still to do?
|
||||
blt 2f
|
||||
stmia a4!, {a2, ip}
|
||||
sub a3, a3, $8
|
||||
cmp a3, $8 @ 8 bytes still to do?
|
||||
stmgeia a4!, {a2, ip}
|
||||
subge a3, a3, $8
|
||||
bge 1b
|
||||
2:
|
||||
movs a3, a3 @ anything left?
|
||||
RETINSTR(moveq,pc,lr) @ nope
|
||||
rsb a3, a3, $7
|
||||
add pc, pc, a3, lsl $2
|
||||
mov r0, r0
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
strb a2, [a4], $1
|
||||
RETINSTR(mov,pc,lr)
|
||||
END(memset)
|
||||
@ -1,5 +1,5 @@
|
||||
/* setjmp for ARM.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1998 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
|
||||
@ -27,11 +27,8 @@ ENTRY (__setjmp)
|
||||
mov r1, #0
|
||||
ENTRY (__sigsetjmp)
|
||||
/* Save registers */
|
||||
#if __ARM_USES_FP
|
||||
sfmea f4, 4, [r0]!
|
||||
#endif
|
||||
stmia r0, {v1-v6, sl, fp, sp, lr}
|
||||
|
||||
/* Make a tail call to __sigjmp_save; it takes the same args. */
|
||||
B __sigjmp_save
|
||||
END (__sigsetjmp)
|
||||
B PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
|
||||
END (__setjmp)
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Assembler macros for ARM.
|
||||
Copyright (C) 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1997, 1998 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
|
||||
@ -28,19 +28,23 @@
|
||||
/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
|
||||
#define ALIGNARG(log2) 1<<log2
|
||||
/* For ELF we need the `.type' directive to make shared libs work right. */
|
||||
#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
|
||||
#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,%##typearg;
|
||||
#define ASM_SIZE_DIRECTIVE(name) .size name,.-name
|
||||
|
||||
/* In ELF C symbols are asm symbols. */
|
||||
#undef NO_UNDERSCORES
|
||||
#define NO_UNDERSCORES
|
||||
|
||||
#define PLTJMP(_x) _x##(PLT)
|
||||
|
||||
#else
|
||||
|
||||
#define ALIGNARG(log2) log2
|
||||
#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */
|
||||
#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */
|
||||
|
||||
#define PLTJMP(_x) _x
|
||||
|
||||
#endif
|
||||
|
||||
/* APCS-32 doesn't preserve the condition codes across function call. */
|
||||
@ -56,13 +60,10 @@
|
||||
instr##s regs
|
||||
#endif
|
||||
|
||||
/* Don't do floating point */
|
||||
#define __ARM_USES_FP 1
|
||||
|
||||
/* Define an entry point visible from C. */
|
||||
#define ENTRY(name) \
|
||||
ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
|
||||
ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
|
||||
ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),function) \
|
||||
.align ALIGNARG(4); \
|
||||
C_LABEL(name) \
|
||||
CALL_MCOUNT
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Bit values & structures for resource limits. 4.4 BSD/generic GNU version.
|
||||
Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1994, 1996, 1997, 1998 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
|
||||
@ -65,7 +65,7 @@ enum __rlimit_resource
|
||||
#define RLIMIT_NOFILE RLIMIT_NOFILE
|
||||
|
||||
RLIMIT_NLIMITS, /* Number of limit flavors. */
|
||||
RLIM_NLIMITS = RLIMIT_NLIMITS, /* Traditional name for same. */
|
||||
RLIM_NLIMITS = RLIMIT_NLIMITS /* Traditional name for same. */
|
||||
};
|
||||
|
||||
/* Value to indicate that there is no limit. */
|
||||
|
||||
@ -16,29 +16,58 @@
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <link.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
extern void __libc_init_first (int argc, char **argv, char **envp);
|
||||
|
||||
extern int _dl_starting_up;
|
||||
weak_extern (_dl_starting_up)
|
||||
extern int __libc_multiple_libcs;
|
||||
|
||||
int
|
||||
__libc_start_main (int (*main) (int, char **, char **), int argc,
|
||||
char **argv, void (*init) (void), void (*fini) (void),
|
||||
void (*rtld_fini) (void))
|
||||
{
|
||||
#ifndef PIC
|
||||
/* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
|
||||
If the address would be taken inside the expression the optimizer
|
||||
would try to be too smart and throws it away. Grrr. */
|
||||
int *dummy_addr = &_dl_starting_up;
|
||||
|
||||
__libc_multiple_libcs = dummy_addr && !_dl_starting_up;
|
||||
#endif
|
||||
|
||||
/* Register the destructor of the dynamic linker if there is any. */
|
||||
if (rtld_fini != NULL)
|
||||
atexit (rtld_fini);
|
||||
|
||||
/* Call the initializer of the libc. */
|
||||
__libc_init_first ();
|
||||
|
||||
/* Set the global _environ variable correctly. */
|
||||
__environ = &argv[argc + 1];
|
||||
|
||||
/* Call the initializer of the libc. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ninitialize libc\n\n", NULL);
|
||||
#endif
|
||||
__libc_init_first (argc, argv, __environ);
|
||||
|
||||
/* Call the initializer of the program. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ninitialize program: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
(*init) ();
|
||||
|
||||
/* Register the destructor of the program. */
|
||||
atexit (fini);
|
||||
|
||||
exit ((*main) (argc, argv, envp));
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ntransferring control: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
|
||||
exit ((*main) (argc, argv, __environ));
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991, 1995, 1996, 1997, 1998 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
|
||||
@ -27,7 +27,7 @@ setsockopt (fd, level, optname, optval, optlen)
|
||||
int fd;
|
||||
int level;
|
||||
int optname;
|
||||
void *optval;
|
||||
const __ptr_t optval;
|
||||
socklen_t optlen;
|
||||
{
|
||||
__set_errno (ENOSYS);
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 1992, 1993, 1995, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991, 92, 93, 95, 97, 98 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
|
||||
@ -33,11 +33,24 @@ C_LABEL(__curbrk)
|
||||
|
||||
.text
|
||||
SYSCALL__ (brk, 1)
|
||||
#ifdef PIC
|
||||
ldr r1, 1f
|
||||
add r1, r1, pc
|
||||
2: ldr r2, _cb_addr
|
||||
add r1, r1, r2
|
||||
#else
|
||||
ldr r1, _cb_addr
|
||||
#endif
|
||||
str r0, [r1]
|
||||
mov r0, $0
|
||||
RETINSTR(mov, pc, r14)
|
||||
_cb_addr: .long C_SYMBOL_NAME(__curbrk)
|
||||
|
||||
#ifdef PIC
|
||||
1: .long _GLOBAL_OFFSET_TABLE_ - 2b - 4
|
||||
_cb_addr:
|
||||
.long C_SYMBOL_NAME(__curbrk)(GOTOFF)
|
||||
#else
|
||||
_cb_addr:
|
||||
.long C_SYMBOL_NAME(__curbrk)
|
||||
#endif
|
||||
|
||||
weak_alias (__brk, brk)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1991,92,93,94,95,96,97,98 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
|
||||
@ -23,8 +23,6 @@
|
||||
.globl C_SYMBOL_NAME(errno)
|
||||
.globl syscall_error
|
||||
|
||||
_errno_loc: .long C_SYMBOL_NAME(errno)
|
||||
|
||||
#undef syscall_error
|
||||
#ifdef NO_UNDERSCORES
|
||||
__syscall_error:
|
||||
@ -38,12 +36,44 @@ syscall_error:
|
||||
cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
|
||||
moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
|
||||
#endif
|
||||
|
||||
#ifndef PIC
|
||||
ldr r1, _errno_loc
|
||||
str r0, [r1]
|
||||
#ifdef _LIBC_REENTRANT
|
||||
stmdb sp!, {r0, lr}
|
||||
/* put another copy of r0 at a specific errno location */
|
||||
bl __errno_location
|
||||
ldmia sp!, {r1, lr}
|
||||
str r1, [r0]
|
||||
#endif
|
||||
#else
|
||||
stmdb sp!,{r10, lr}
|
||||
@ we have to establish our PIC register
|
||||
ldr r10, 1f
|
||||
add r10, pc, r10
|
||||
0: ldr r1, 2f
|
||||
ldr r1, [r10, r1]
|
||||
@ store a copy in _errno_loc
|
||||
str r0, [r1]
|
||||
#ifdef _LIBC_REENTRANT
|
||||
@ and another copy in thread copy of _errno_loc
|
||||
mov r10, r0
|
||||
bl __errno_location(PLT)
|
||||
str r10, [r0]
|
||||
#endif
|
||||
ldmia sp!, {r10, lr}
|
||||
b 4f
|
||||
1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 4
|
||||
2: .word C_SYMBOL_NAME(errno)(GOT)
|
||||
4:
|
||||
#endif
|
||||
mvn r0, $0
|
||||
RETINSTR(mov, pc, r14)
|
||||
|
||||
#ifndef PIC
|
||||
_errno_loc: .long C_SYMBOL_NAME(errno)
|
||||
#endif
|
||||
|
||||
#undef __syscall_error
|
||||
END (__syscall_error)
|
||||
|
||||
@ -22,6 +22,7 @@ net/if_slip.h
|
||||
net/ppp-comp.h
|
||||
net/ppp_defs.h
|
||||
net/route.h
|
||||
netash/ash.h
|
||||
netatalk/at.h
|
||||
netax25/ax25.h
|
||||
netinet/if_fddi.h
|
||||
@ -30,6 +31,7 @@ netinet/igmp.h
|
||||
netinet/in_systm.h
|
||||
netinet/ip_fw.h
|
||||
netinet/ip_icmp.h
|
||||
netpacket/packet.h
|
||||
netinet/tcp.h
|
||||
netinet/udp.h
|
||||
netipx/ipx.h
|
||||
|
||||
@ -74,7 +74,7 @@ sysdep_headers += netinet/in_systm.h netinet/udp.h \
|
||||
netinet/if_fddi.h netinet/if_tr.h netinet/igmp.h \
|
||||
netinet/ip_fw.h netinet/ip_icmp.h netipx/ipx.h \
|
||||
sys/socketvar.h netax25/ax25.h netrom/netrom.h \
|
||||
netrose/rose.h
|
||||
netrose/rose.h netpacket/packet.h netash/ash.h
|
||||
endif
|
||||
|
||||
ifeq ($(subdir),posix)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1995, 1996, 1997, 1998 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
|
||||
@ -41,9 +41,9 @@ ENTRY (__socket)
|
||||
/* Do the system call trap. */
|
||||
swi SYS_ify(socketcall)
|
||||
|
||||
/* %eax is < 0 if there was an error. */
|
||||
/* r0 is < 0 if there was an error. */
|
||||
cmn r0, $124
|
||||
bge syscall_error
|
||||
bge syscall_error(PLT)
|
||||
|
||||
/* Successful; return the syscall's value. */
|
||||
RETINSTR(mov,pc,r14)
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* Copyright (C) 1992, 93, 95, 96, 97 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1992, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
|
||||
ARM changes by Philip Blundell, <pjb27@cam.ac.uk>, May 1997.
|
||||
@ -41,7 +41,7 @@
|
||||
Since version 2.1 the return value of a system call might be
|
||||
negative 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 %eax
|
||||
for < 0, but test for a real error by making sure the value in R0
|
||||
is a real error 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 -4095. */
|
||||
@ -51,7 +51,7 @@
|
||||
ENTRY (name) \
|
||||
DO_CALL (args, syscall_name); \
|
||||
cmn r0, $4096; \
|
||||
bge syscall_error;
|
||||
bgt syscall_error;
|
||||
|
||||
#undef PSEUDO_END
|
||||
#define PSEUDO_END(name) \
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/* Bit values & structures for resource limits. Linux version.
|
||||
Copyright (C) 1994, 1996, 1997 Free Software Foundation, Inc.
|
||||
Copyright (C) 1994, 1996, 1997, 1998 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
|
||||
@ -99,7 +99,7 @@ enum __rlimit_resource
|
||||
|
||||
RLIMIT_NLIMITS = RLIM_NLIMITS,
|
||||
#undef RLIM_NLIMITS
|
||||
RLIM_NLIMITS = RLIMIT_NLIMITS,
|
||||
RLIM_NLIMITS = RLIMIT_NLIMITS
|
||||
#define RLIMIT_NLIMITS RLIMIT_NLIMITS
|
||||
#define RLIM_NLIMITS RLIM_NLIMITS
|
||||
};
|
||||
|
||||
@ -66,16 +66,16 @@ enum __socket_type
|
||||
#define PF_AAL5 8 /* Reserved for Werner's ATM. */
|
||||
#define PF_X25 9 /* Reserved for X.25 project. */
|
||||
#define PF_INET6 10 /* IP version 6. */
|
||||
#define PF_ROSE 11 /* Amateur Radio X.25 PLP */
|
||||
#define PF_DECnet 12 /* Reserved for DECnet project */
|
||||
#define PF_NETBEUI 13 /* Reserved for 802.2LLC project*/
|
||||
#define PF_SECURITY 14 /* Security callback pseudo AF */
|
||||
#define PF_KEY 15 /* PF_KEY key management API */
|
||||
#define PF_ROSE 11 /* Amateur Radio X.25 PLP. */
|
||||
#define PF_DECnet 12 /* Reserved for DECnet project. */
|
||||
#define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */
|
||||
#define PF_SECURITY 14 /* Security callback pseudo AF. */
|
||||
#define PF_KEY 15 /* PF_KEY key management API. */
|
||||
#define PF_NETLINK 16
|
||||
#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD */
|
||||
#define PF_PACKET 17 /* Packet family */
|
||||
#define PF_ASH 18 /* Ash */
|
||||
#define PF_MAX 32 /* For now.. */
|
||||
#define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */
|
||||
#define PF_PACKET 17 /* Packet family. */
|
||||
#define PF_ASH 18 /* Ash. */
|
||||
#define PF_MAX 32 /* For now.. */
|
||||
|
||||
/* Address families. */
|
||||
#define AF_UNSPEC PF_UNSPEC
|
||||
|
||||
@ -1,73 +0,0 @@
|
||||
/* Copyright (C) 1998 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. */
|
||||
|
||||
#include <link.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
extern void __libc_init_first (int argc, char **argv, char **envp);
|
||||
|
||||
extern int _dl_starting_up;
|
||||
weak_extern (_dl_starting_up)
|
||||
extern int __libc_multiple_libcs;
|
||||
|
||||
int
|
||||
__libc_start_main (int (*main) (int, char **, char **), int argc,
|
||||
char **argv, void (*init) (void), void (*fini) (void),
|
||||
void (*rtld_fini) (void))
|
||||
{
|
||||
#ifndef PIC
|
||||
/* The next variable is only here to work around a bug in gcc <= 2.7.2.2.
|
||||
If the address would be taken inside the expression the optimizer
|
||||
would try to be too smart and throws it away. Grrr. */
|
||||
int *dummy_addr = &_dl_starting_up;
|
||||
|
||||
__libc_multiple_libcs = dummy_addr && !_dl_starting_up;
|
||||
#endif
|
||||
|
||||
/* Register the destructor of the dynamic linker if there is any. */
|
||||
if (rtld_fini != NULL)
|
||||
atexit (rtld_fini);
|
||||
|
||||
/* Set the global _environ variable correctly. */
|
||||
__environ = &argv[argc + 1];
|
||||
|
||||
/* Call the initializer of the libc. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ninitialize libc\n\n", NULL);
|
||||
#endif
|
||||
__libc_init_first (argc, argv, __environ);
|
||||
|
||||
/* Call the initializer of the program. */
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ninitialize program: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
(*init) ();
|
||||
|
||||
/* Register the destructor of the program. */
|
||||
atexit (fini);
|
||||
|
||||
#ifdef PIC
|
||||
if (_dl_debug_impcalls)
|
||||
_dl_debug_message (1, "\ntransferring control: ", argv[0], "\n\n", NULL);
|
||||
#endif
|
||||
|
||||
exit ((*main) (argc, argv, __environ));
|
||||
}
|
||||
34
sysdeps/unix/sysv/linux/netash/ash.h
Normal file
34
sysdeps/unix/sysv/linux/netash/ash.h
Normal file
@ -0,0 +1,34 @@
|
||||
/* Definitions for use with Linux AF_ASH sockets.
|
||||
Copyright (C) 1998 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. */
|
||||
|
||||
#ifndef __NETASH_ASH_H
|
||||
#define __NETASH_ASH_H 1
|
||||
|
||||
#include <features.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
struct sockaddr_ash
|
||||
{
|
||||
_SOCKADDR_COMMON (sash_); /* Common data: address family etc. */
|
||||
int if_index; /* Interface to use. */
|
||||
int channel; /* Realtime or control. */
|
||||
};
|
||||
|
||||
#endif /* netash/ash.h */
|
||||
61
sysdeps/unix/sysv/linux/netpacket/packet.h
Normal file
61
sysdeps/unix/sysv/linux/netpacket/packet.h
Normal file
@ -0,0 +1,61 @@
|
||||
/* Definitions for use with Linux AF_PACKET sockets.
|
||||
Copyright (C) 1998 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. */
|
||||
|
||||
#ifndef __NETPACKET_PACKET_H
|
||||
#define __NETPACKET_PACKET_H 1
|
||||
|
||||
struct sockaddr_ll
|
||||
{
|
||||
unsigned short int sll_family;
|
||||
unsigned short int sll_protocol;
|
||||
int sll_ifindex;
|
||||
unsigned short int sll_hatype;
|
||||
unsigned char sll_pkttype;
|
||||
unsigned char sll_halen;
|
||||
unsigned char sll_addr[8];
|
||||
};
|
||||
|
||||
/* Packet types. */
|
||||
|
||||
#define PACKET_HOST 0 /* To us. */
|
||||
#define PACKET_BROADCAST 1 /* To all. */
|
||||
#define PACKET_MULTICAST 2 /* To group. */
|
||||
#define PACKET_OTHERHOST 3 /* To someone else. */
|
||||
#define PACKET_OUTGOING 4 /* Originated by us . */
|
||||
#define PACKET_LOOPBACK 5
|
||||
#define PACKET_FASTROUTE 6
|
||||
|
||||
/* Packet socket options. */
|
||||
|
||||
#define PACKET_ADD_MEMBERSHIP 1
|
||||
#define PACKET_DROP_MEMBERSHIP 2
|
||||
|
||||
struct packet_mreq
|
||||
{
|
||||
int mr_ifindex;
|
||||
unsigned short int mr_type;
|
||||
unsigned short int mr_alen;
|
||||
unsigned char mr_address[8];
|
||||
};
|
||||
|
||||
#define PACKET_MR_MULTICAST 0
|
||||
#define PACKET_MR_PROMISC 1
|
||||
#define PACKET_MR_ALLMULTI 2
|
||||
|
||||
#endif /* netpacket/packet.h */
|
||||
Loading…
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Reference in New Issue
Block a user