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Update.
1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com> * debug/catchsegv.sh: Handle text preceding backtrace better. * sysdeps/generic/segfault.c: Allow register dump. Allow handler to be installed for other signals than SIGSEGV. * sysdeps/generic/register-dump.h: New file. * sysdeps/i386/register-dump.h: New file. * sysdeps/powerpc/register-dump.h: New file. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from sigcontextinfo.h. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version. 1998-08-24 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file. 1998-08-09 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/chown.c: New file. * sysdeps/unix/sysv/linux/powerpc/lchown.S: New file. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove getresuid, getresgid. 1998-08-16 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack pointer in userland. 1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum and fix value. 1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * elf/ldd.bash.in: Add missing quotes around $file. Make loop over arguments Bourne shell compatible. Don't exit unsuccessfully if nonelf returns successfully. Avoid duplicating most of the script. * sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes around $file. 1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/Versions (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1. * libio/fileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Change the prefix to "_IO_new_". Added to GLIBC_2.1. * libio/libioP.h (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Add prototypes for the prefix "_IO_new_". * libio/oldfileops.c (_IO_do_write, _IO_file_attach, _IO_file_close_it, _IO_file_finish, _IO_file_fopen, _IO_file_init, _IO_file_overflow, _IO_file_seekoff, _IO_file_setbuf, _IO_file_sync, _IO_file_underflow, _IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0. * csu/initfini.c: Return to .text before __gmon_start__. * elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA. (STO_MIPS_*): Rename from STO_*. (STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON. (STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New. * math/atest-exp.c (mpn_bitsize): Fix bit location calculation. (main): e3s is negative on zero. * math/atest-exp2.c: Likewise. 1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makerules (install): Add comment about absolute paths.
This commit is contained in:
parent
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121
ChangeLog
121
ChangeLog
@ -1,4 +1,47 @@
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Mon Aug 24 10:37:38 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com>
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* debug/catchsegv.sh: Handle text preceding backtrace better.
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* sysdeps/generic/segfault.c: Allow register dump. Allow handler
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to be installed for other signals than SIGSEGV.
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* sysdeps/generic/register-dump.h: New file.
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* sysdeps/i386/register-dump.h: New file.
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* sysdeps/powerpc/register-dump.h: New file.
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* sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from
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sigcontextinfo.h.
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* sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version.
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1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file.
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1998-08-09 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/unix/sysv/linux/powerpc/chown.c: New file.
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* sysdeps/unix/sysv/linux/powerpc/lchown.S: New file.
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* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove
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getresuid, getresgid.
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1998-08-16 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs. Set up stack
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pointer in userland.
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1998-08-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum
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and fix value.
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1998-08-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* elf/ldd.bash.in: Add missing quotes around $file. Make loop
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over arguments Bourne shell compatible. Don't exit unsuccessfully
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if nonelf returns successfully. Avoid duplicating most of the
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script.
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* sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes
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around $file.
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1998-08-24 10:37 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
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* sysdeps/unix/sysv/linux/m68k/Makefile (sysdep_headers): Add
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sys/reg.h.
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@ -17,53 +60,53 @@ Mon Aug 24 10:37:38 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.
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Likewise.
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1998-08-17 H.J. Lu <hjl@gnu.org>
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* libio/Versions (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1.
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* libio/fileops.c (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Change the prefix to
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"_IO_new_". Added to GLIBC_2.1.
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* libio/libioP.h (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Add prototypes for the prefix
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"_IO_new_".
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* libio/oldfileops.c (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0.
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* libio/Versions (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1.
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* libio/fileops.c (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Change the prefix to
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"_IO_new_". Added to GLIBC_2.1.
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* libio/libioP.h (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Add prototypes for the prefix
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"_IO_new_".
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* libio/oldfileops.c (_IO_do_write, _IO_file_attach,
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_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
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_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
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_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
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_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0.
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1998-08-23 Richard Henderson <rth@cygnus.com>
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* Makeconfig (LDFLAGS): Remove.
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* csu/initfini.c: Return to .text before __gmon_start__.
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* csu/initfini.c: Return to .text before __gmon_start__.
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* elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA.
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(STO_MIPS_*): Rename from STO_*.
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(STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON.
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(STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New.
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* elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA.
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(STO_MIPS_*): Rename from STO_*.
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(STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON.
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(STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New.
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* math/atest-exp.c (mpn_bitsize): Fix bit location calculation.
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(main): e3s is negative on zero.
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* math/atest-exp2.c: Likewise.
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* math/atest-exp.c (mpn_bitsize): Fix bit location calculation.
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(main): e3s is negative on zero.
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* math/atest-exp2.c: Likewise.
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* math/atest-sincos.c: Likewise.
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1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
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* Makerules (install): Add comment about absolute paths.
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1998-08-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
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* Makerules (install): Add comment about absolute paths.
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1998-08-23 Ulrich Drepper <drepper@cygnus.com>
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* libio/vsnprintf.c (_IO_vsnprintf): Set first byte of destination
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@ -102,33 +102,43 @@ case $# in
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exit 1
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;;
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1)
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single_file=t
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;;
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*)
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single_file=f
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;;
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esac
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result=0
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for file do
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# We don't list the file name when there is only one.
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case "$1" in
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*/*) file="$1"
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test $single_file = t || echo "${file}:"
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case $file in
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*/*) :
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;;
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*) file="./$1"
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*) file=./$file
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;;
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esac
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if test ! -f "$file"; then
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echo "ldd: ${file}:" $"no such file"
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exit 1
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echo "ldd: ${file}:" $"No such file or directory" >&2
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result=1
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elif test -r "$file"; then
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test -x "$file" ||
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echo 'ldd:' $"\
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test -x "$file" || echo 'ldd:' $"\
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warning: you do not have execution permission for" "\`$file'" >&2
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verify_out=`${RTLD} --verify "$file"`
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case $? in
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0)
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eval $add_env exec '"$file"' || exit 1
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eval $add_env '"$file"' || result=1
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;;
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1)
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# This can be a non-ELF binary or no binary at all.
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nonelf $file ||
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echo $" not a dynamic executable"
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exit 1
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nonelf "$file" || {
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echo $" not a dynamic executable"
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result=1
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}
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;;
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2)
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eval $add_env exec \${RTLD} '"$file"' || exit 1
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eval $add_env \${RTLD} '"$file"' || result=1
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;;
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*)
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echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($?)" >&2
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@ -137,52 +147,9 @@ warning: you do not have execution permission for" "\`$file'" >&2
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esac
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else
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echo 'ldd:' $"error: you do not have read permission for" "\`$file'" >&2
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exit 1
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result=1
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fi
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exit
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;;
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*)
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result=0
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for file; do
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echo "${file}:"
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case "$file" in
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*/*) :
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;;
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*) file="./$file"
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;;
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esac
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if test ! -f "$file"; then
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echo "ldd: ${file}:" $"no such file"
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result=1
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elif test -r "$file"; then
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test -x "$file" || echo 'ldd:' $"\
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warning: you do not have execution permission for" "\`$file'" >&2
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verify_out=`${RTLD} --verify "$file"`
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case $? in
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0)
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eval $add_env '"$file"' || result=1
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;;
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1)
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# This can be a non-ELF binary or no binary at all.
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nonelf $file || {
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echo $" not a dynamic executable"
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result=1
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}
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;;
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2)
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eval $add_env ${RTLD} '"$file"' || result=1
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;;
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*)
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echo 'ldd:' ${RTLD} $"exited with unknown exit code" "($?)" >&2
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exit 1
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;;
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esac
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else
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echo 'ldd:' $"error: you do not have read permission for" "\`$file'" >&2
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result=1
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fi
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done
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esac
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done
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exit $result
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# Local Variables:
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@ -1,3 +1,13 @@
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1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
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* spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
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turned out that we didn't need to queue after all.
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1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
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* sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
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and wastes space; correct types.
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1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
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* signals.c (sigaction): Handle NULL argument.
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@ -47,9 +47,10 @@ void __pthread_lock(struct _pthread_fastlock * lock)
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newstatus = 1;
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} else {
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self = thread_self();
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self->p_nextwaiting = (pthread_descr) oldstatus;
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newstatus = (long) self;
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}
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if (self != NULL)
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self->p_nextwaiting = (pthread_descr) oldstatus;
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} while(! compare_and_swap(&lock->status, oldstatus, newstatus,
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&lock->spinlock));
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if (oldstatus != 0) suspend(self);
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@ -2,7 +2,6 @@
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powerpc version.
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Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson <rth@tamu.edu>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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@ -31,34 +30,6 @@
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#define sync() __asm__ __volatile__ ("sync")
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#endif
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/* Spinlock implementation; required. */
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#if BROKEN_PPC_ASM_CR0
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static
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#else
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extern inline
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#endif
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int
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testandset (int *spinlock)
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{
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int ret;
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sync();
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__asm__ __volatile__(
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"0: lwarx %0,0,%1 ;"
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" cmpwi %0,0;"
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" bne 1f;"
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" stwcx. %2,0,%1;"
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" bne- 0b;"
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"1: "
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: "=&r"(ret)
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: "r"(spinlock), "r"(1)
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: "cr0", "memory");
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sync();
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return ret != 0;
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}
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/* Get some notion of the current stack. Need not be exactly the top
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of the stack, just something somewhere in the current frame. */
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#define CURRENT_STACK_FRAME stack_pointer
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@ -74,7 +45,7 @@ static
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extern inline
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#endif
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int
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__compare_and_swap (int *p, int oldval, int newval)
|
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__compare_and_swap (long *p, long oldval, long newval)
|
||||
{
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int ret;
|
||||
|
||||
|
21
sysdeps/generic/register-dump.h
Normal file
21
sysdeps/generic/register-dump.h
Normal file
@ -0,0 +1,21 @@
|
||||
/* Dump registers.
|
||||
Copyright (C) 1998 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
||||
|
||||
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. */
|
||||
|
||||
/* In general we cannot do anything. */
|
@ -18,16 +18,21 @@
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <ctype.h>
|
||||
#include <execinfo.h>
|
||||
#include <fcntl.h>
|
||||
#include <signal.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/* This file defines macros to access the content of the sigcontext element
|
||||
passed up by the signal handler. */
|
||||
#include <sigcontextinfo.h>
|
||||
|
||||
/* Get code to possibly dump the content of all registers. */
|
||||
#include <register-dump.h>
|
||||
|
||||
/* This is a global variable set at program start time. It marks the
|
||||
highest used stack address. */
|
||||
extern void *__libc_stack_end;
|
||||
@ -76,6 +81,8 @@ catch_segfault (int signal, SIGCONTEXT ctx)
|
||||
int fd;
|
||||
void **arr;
|
||||
size_t cnt;
|
||||
struct sigaction sa;
|
||||
const char *sigstring;
|
||||
|
||||
/* This is the name of the file we are writing to. If none is given
|
||||
or we cannot write to this file write to stderr. */
|
||||
@ -88,9 +95,17 @@ catch_segfault (int signal, SIGCONTEXT ctx)
|
||||
fd = 2;
|
||||
}
|
||||
|
||||
#define WRITE_STRING(s) write (fd, s, sizeof (s) - 1)
|
||||
WRITE_STRING ("*** Segmentation Fault\n");
|
||||
WRITE_STRING ("Backtrace:\n");
|
||||
#define WRITE_STRING(s) write (fd, s, strlen (s))
|
||||
WRITE_STRING ("*** ");
|
||||
sigstring = strsignal (signal);
|
||||
WRITE_STRING (sigstring);
|
||||
WRITE_STRING ("\n");
|
||||
|
||||
#ifdef REGISTER_DUMP
|
||||
REGISTER_DUMP;
|
||||
#endif
|
||||
|
||||
WRITE_STRING ("\nBacktrace:\n");
|
||||
|
||||
top_frame = GET_FRAME (ctx);
|
||||
top_stack = GET_STACK (ctx);
|
||||
@ -124,8 +139,12 @@ catch_segfault (int signal, SIGCONTEXT ctx)
|
||||
/* Now generate nicely formatted output. */
|
||||
__backtrace_symbols_fd (arr, cnt, fd);
|
||||
|
||||
/* Nothing else to do. */
|
||||
_exit (128 + SIGSEGV);
|
||||
/* Pass on the signal (so that a core file is produced). */
|
||||
sa.sa_handler = SIG_DFL;
|
||||
sigemptyset (&sa.sa_mask);
|
||||
sa.sa_flags = 0;
|
||||
sigaction (signal, &sa, NULL);
|
||||
raise (signal);
|
||||
}
|
||||
|
||||
|
||||
@ -134,12 +153,36 @@ __attribute__ ((constructor))
|
||||
install_handler (void)
|
||||
{
|
||||
struct sigaction sa;
|
||||
const char *sigs = getenv ("SEGFAULT_SIGNALS");
|
||||
|
||||
sa.sa_handler = (void *) catch_segfault;
|
||||
sigemptyset (&sa.sa_mask);
|
||||
sa.sa_flags = SA_RESTART;
|
||||
|
||||
sigaction (SIGSEGV, &sa, NULL);
|
||||
if (sigs == NULL)
|
||||
sigaction (SIGSEGV, &sa, NULL);
|
||||
else if (sigs[0] == '\0')
|
||||
/* Do not do anything. */
|
||||
return;
|
||||
else
|
||||
{
|
||||
const char *where;
|
||||
int all = __strcasecmp (sigs, "all");
|
||||
|
||||
#define INSTALL_FOR_SIG(sig, name) \
|
||||
where = __strcasestr (sigs, name); \
|
||||
if (all || (where != NULL \
|
||||
&& (where == sigs || !isalnum (where[-1])) \
|
||||
&& !isalnum (where[sizeof (name) - 1]))) \
|
||||
sigaction (sig, &sa, NULL);
|
||||
|
||||
INSTALL_FOR_SIG (SIGSEGV, "segv");
|
||||
INSTALL_FOR_SIG (SIGILL, "ill");
|
||||
INSTALL_FOR_SIG (SIGBUS, "bus");
|
||||
INSTALL_FOR_SIG (SIGSTKFLT, "stkflt");
|
||||
INSTALL_FOR_SIG (SIGABRT, "abrt");
|
||||
INSTALL_FOR_SIG (SIGFPE, "fpe");
|
||||
}
|
||||
|
||||
/* Maybe we are expected to use an alternative stack. */
|
||||
if (getenv ("SEGFAULT_USE_ALTSTACK") != 0)
|
||||
|
256
sysdeps/i386/register-dump.h
Normal file
256
sysdeps/i386/register-dump.h
Normal file
@ -0,0 +1,256 @@
|
||||
/* Dump registers.
|
||||
Copyright (C) 1998 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
||||
|
||||
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 <sys/uio.h>
|
||||
#include <stdio-common/_itoa.h>
|
||||
|
||||
/* We will print the register dump in this format:
|
||||
|
||||
EAX: XXXXXXXX EBX: XXXXXXXX ECX: XXXXXXXX EDX: XXXXXXXX
|
||||
ESI: XXXXXXXX EDI: XXXXXXXX EBP: XXXXXXXX ESP: XXXXXXXX
|
||||
|
||||
EIP: XXXXXXXX EFLAGS: XXXXXXXX
|
||||
|
||||
CS: XXXX DS: XXXX ES: XXXX FS: XXXX GS: XXXX SS: XXXX
|
||||
|
||||
Trap: XXXXXXXX Error: XXXXXXXX OldMask: XXXXXXXX
|
||||
ESP/SIGNAL: XXXXXXXX CR2: XXXXXXXX
|
||||
|
||||
FPUCW: XXXXXXXX FPUSW: XXXXXXXX TAG: XXXXXXXX
|
||||
IPOFF: XXXXXXXX CSSEL: XXXX DATAOFF: XXXXXXXX DATASEL: XXXX
|
||||
|
||||
ST(0) XXXX XXXXXXXXXXXXXXXX ST(1) XXXX XXXXXXXXXXXXXXXX
|
||||
ST(2) XXXX XXXXXXXXXXXXXXXX ST(3) XXXX XXXXXXXXXXXXXXXX
|
||||
ST(4) XXXX XXXXXXXXXXXXXXXX ST(5) XXXX XXXXXXXXXXXXXXXX
|
||||
ST(6) XXXX XXXXXXXXXXXXXXXX ST(7) XXXX XXXXXXXXXXXXXXXX
|
||||
|
||||
*/
|
||||
|
||||
static void
|
||||
hexvalue (unsigned long int value, char *buf, size_t len)
|
||||
{
|
||||
char *cp = _itoa_word (value, buf + len, 16, 0);
|
||||
while (cp > buf)
|
||||
*--cp = '0';
|
||||
}
|
||||
|
||||
static void
|
||||
register_dump (int fd, struct sigcontext *ctx)
|
||||
{
|
||||
char regs[21][8];
|
||||
char fpregs[31][8];
|
||||
struct iovec iov[97];
|
||||
size_t nr = 0;
|
||||
|
||||
#define ADD_STRING(str) \
|
||||
iov[nr].iov_base = (char *) str; \
|
||||
iov[nr].iov_len = strlen (str); \
|
||||
++nr
|
||||
#define ADD_MEM(str, len) \
|
||||
iov[nr].iov_base = str; \
|
||||
iov[nr].iov_len = len; \
|
||||
++nr
|
||||
|
||||
/* Generate strings of register contents. */
|
||||
hexvalue (ctx->eax, regs[0], 8);
|
||||
hexvalue (ctx->ebx, regs[1], 8);
|
||||
hexvalue (ctx->ecx, regs[2], 8);
|
||||
hexvalue (ctx->edx, regs[3], 8);
|
||||
hexvalue (ctx->esi, regs[4], 8);
|
||||
hexvalue (ctx->edi, regs[5], 8);
|
||||
hexvalue (ctx->ebp, regs[6], 8);
|
||||
hexvalue (ctx->esp, regs[7], 8);
|
||||
hexvalue (ctx->eip, regs[8], 8);
|
||||
hexvalue (ctx->eflags, regs[9], 8);
|
||||
hexvalue (ctx->cs, regs[10], 4);
|
||||
hexvalue (ctx->ds, regs[11], 4);
|
||||
hexvalue (ctx->es, regs[12], 4);
|
||||
hexvalue (ctx->fs, regs[13], 4);
|
||||
hexvalue (ctx->gs, regs[14], 4);
|
||||
hexvalue (ctx->ss, regs[15], 4);
|
||||
hexvalue (ctx->trapno, regs[16], 8);
|
||||
hexvalue (ctx->err, regs[17], 8);
|
||||
hexvalue (ctx->oldmask, regs[18], 8);
|
||||
hexvalue (ctx->esp_at_signal, regs[19], 8);
|
||||
hexvalue (ctx->cr2, regs[20], 8);
|
||||
|
||||
/* Generate the output. */
|
||||
ADD_STRING ("Register dump:\n\n EAX: ");
|
||||
ADD_MEM (regs[0], 8);
|
||||
ADD_STRING (" EBX: ");
|
||||
ADD_MEM (regs[1], 8);
|
||||
ADD_STRING (" ECX: ");
|
||||
ADD_MEM (regs[2], 8);
|
||||
ADD_STRING (" EDX: ");
|
||||
ADD_MEM (regs[3], 8);
|
||||
ADD_STRING ("\n ESI: ");
|
||||
ADD_MEM (regs[4], 8);
|
||||
ADD_STRING (" EDI: ");
|
||||
ADD_MEM (regs[5], 8);
|
||||
ADD_STRING (" EBP: ");
|
||||
ADD_MEM (regs[6], 8);
|
||||
ADD_STRING (" ESP: ");
|
||||
ADD_MEM (regs[7], 8);
|
||||
ADD_STRING ("\n\n EIP: ");
|
||||
ADD_MEM (regs[8], 8);
|
||||
ADD_STRING (" EFLAGS: ");
|
||||
ADD_MEM (regs[9], 8);
|
||||
ADD_STRING ("\n\n CS: ");
|
||||
ADD_MEM (regs[10], 4);
|
||||
ADD_STRING (" DS: ");
|
||||
ADD_MEM (regs[11], 4);
|
||||
ADD_STRING (" ES: ");
|
||||
ADD_MEM (regs[12], 4);
|
||||
ADD_STRING (" FS: ");
|
||||
ADD_MEM (regs[13], 4);
|
||||
ADD_STRING (" GS: ");
|
||||
ADD_MEM (regs[14], 4);
|
||||
ADD_STRING (" SS: ");
|
||||
ADD_MEM (regs[15], 4);
|
||||
ADD_STRING ("\n\n Trap: ");
|
||||
ADD_MEM (regs[16], 8);
|
||||
ADD_STRING (" Error: ");
|
||||
ADD_MEM (regs[17], 8);
|
||||
ADD_STRING (" OldMask: ");
|
||||
ADD_MEM (regs[18], 8);
|
||||
ADD_STRING ("\n ESP/signal: ");
|
||||
ADD_MEM (regs[19], 8);
|
||||
ADD_STRING (" CR2: ");
|
||||
ADD_MEM (regs[20], 8);
|
||||
|
||||
if (ctx->fpstate != NULL)
|
||||
{
|
||||
|
||||
/* Generate output for the FPU control/status registers. */
|
||||
hexvalue (ctx->fpstate->cw, fpregs[0], 8);
|
||||
hexvalue (ctx->fpstate->sw, fpregs[1], 8);
|
||||
hexvalue (ctx->fpstate->tag, fpregs[2], 8);
|
||||
hexvalue (ctx->fpstate->ipoff, fpregs[3], 8);
|
||||
hexvalue (ctx->fpstate->cssel, fpregs[4], 4);
|
||||
hexvalue (ctx->fpstate->dataoff, fpregs[5], 8);
|
||||
hexvalue (ctx->fpstate->datasel, fpregs[6], 4);
|
||||
|
||||
ADD_STRING ("\n\n FPUCW: ");
|
||||
ADD_MEM (fpregs[0], 8);
|
||||
ADD_STRING (" FPUSW: ");
|
||||
ADD_MEM (fpregs[1], 8);
|
||||
ADD_STRING (" TAG: ");
|
||||
ADD_MEM (fpregs[2], 8);
|
||||
ADD_STRING ("\n IPOFF: ");
|
||||
ADD_MEM (fpregs[3], 8);
|
||||
ADD_STRING (" CSSEL: ");
|
||||
ADD_MEM (fpregs[4], 4);
|
||||
ADD_STRING (" DATAOFF: ");
|
||||
ADD_MEM (fpregs[5], 8);
|
||||
ADD_STRING (" DATASEL: ");
|
||||
ADD_MEM (fpregs[6], 4);
|
||||
|
||||
/* Now the real FPU registers. */
|
||||
hexvalue (ctx->fpstate->_st[0].exponent, fpregs[7], 8);
|
||||
hexvalue (ctx->fpstate->_st[0].significand[3] << 16
|
||||
| ctx->fpstate->_st[0].significand[2], fpregs[8], 8);
|
||||
hexvalue (ctx->fpstate->_st[0].significand[1] << 16
|
||||
| ctx->fpstate->_st[0].significand[0], fpregs[9], 8);
|
||||
hexvalue (ctx->fpstate->_st[1].exponent, fpregs[10], 8);
|
||||
hexvalue (ctx->fpstate->_st[1].significand[3] << 16
|
||||
| ctx->fpstate->_st[1].significand[2], fpregs[11], 8);
|
||||
hexvalue (ctx->fpstate->_st[1].significand[1] << 16
|
||||
| ctx->fpstate->_st[1].significand[0], fpregs[12], 8);
|
||||
hexvalue (ctx->fpstate->_st[2].exponent, fpregs[13], 8);
|
||||
hexvalue (ctx->fpstate->_st[2].significand[3] << 16
|
||||
| ctx->fpstate->_st[2].significand[2], fpregs[14], 8);
|
||||
hexvalue (ctx->fpstate->_st[2].significand[1] << 16
|
||||
| ctx->fpstate->_st[2].significand[0], fpregs[15], 8);
|
||||
hexvalue (ctx->fpstate->_st[3].exponent, fpregs[16], 8);
|
||||
hexvalue (ctx->fpstate->_st[3].significand[3] << 16
|
||||
| ctx->fpstate->_st[3].significand[2], fpregs[17], 8);
|
||||
hexvalue (ctx->fpstate->_st[3].significand[1] << 16
|
||||
| ctx->fpstate->_st[3].significand[0], fpregs[18], 8);
|
||||
hexvalue (ctx->fpstate->_st[4].exponent, fpregs[19], 8);
|
||||
hexvalue (ctx->fpstate->_st[4].significand[3] << 16
|
||||
| ctx->fpstate->_st[4].significand[2], fpregs[20], 8);
|
||||
hexvalue (ctx->fpstate->_st[4].significand[1] << 16
|
||||
| ctx->fpstate->_st[4].significand[0], fpregs[21], 8);
|
||||
hexvalue (ctx->fpstate->_st[5].exponent, fpregs[22], 8);
|
||||
hexvalue (ctx->fpstate->_st[5].significand[3] << 16
|
||||
| ctx->fpstate->_st[5].significand[2], fpregs[23], 8);
|
||||
hexvalue (ctx->fpstate->_st[5].significand[1] << 16
|
||||
| ctx->fpstate->_st[5].significand[0], fpregs[24], 8);
|
||||
hexvalue (ctx->fpstate->_st[6].exponent, fpregs[25], 8);
|
||||
hexvalue (ctx->fpstate->_st[6].significand[3] << 16
|
||||
| ctx->fpstate->_st[6].significand[2], fpregs[26], 8);
|
||||
hexvalue (ctx->fpstate->_st[6].significand[1] << 16
|
||||
| ctx->fpstate->_st[6].significand[0], fpregs[27], 8);
|
||||
hexvalue (ctx->fpstate->_st[7].exponent, fpregs[28], 8);
|
||||
hexvalue (ctx->fpstate->_st[7].significand[3] << 16
|
||||
| ctx->fpstate->_st[7].significand[2], fpregs[29], 8);
|
||||
hexvalue (ctx->fpstate->_st[7].significand[1] << 16
|
||||
| ctx->fpstate->_st[7].significand[0], fpregs[30], 8);
|
||||
|
||||
ADD_STRING ("\n\n ST(0) ");
|
||||
ADD_MEM (fpregs[7], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[8], 8);
|
||||
ADD_MEM (fpregs[9], 8);
|
||||
ADD_STRING (" ST(1) ");
|
||||
ADD_MEM (fpregs[10], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[11], 8);
|
||||
ADD_MEM (fpregs[12], 8);
|
||||
ADD_STRING ("\n ST(2) ");
|
||||
ADD_MEM (fpregs[13], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[14], 8);
|
||||
ADD_MEM (fpregs[15], 8);
|
||||
ADD_STRING (" ST(3) ");
|
||||
ADD_MEM (fpregs[16], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[17], 8);
|
||||
ADD_MEM (fpregs[18], 8);
|
||||
ADD_STRING ("\n ST(4) ");
|
||||
ADD_MEM (fpregs[19], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[20], 8);
|
||||
ADD_MEM (fpregs[21], 8);
|
||||
ADD_STRING (" ST(5) ");
|
||||
ADD_MEM (fpregs[22], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[23], 8);
|
||||
ADD_MEM (fpregs[24], 8);
|
||||
ADD_STRING ("\n ST(6) ");
|
||||
ADD_MEM (fpregs[25], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[26], 8);
|
||||
ADD_MEM (fpregs[27], 8);
|
||||
ADD_STRING (" ST(7) ");
|
||||
ADD_MEM (fpregs[28], 4);
|
||||
ADD_STRING (" ");
|
||||
ADD_MEM (fpregs[29], 8);
|
||||
ADD_MEM (fpregs[30], 8);
|
||||
}
|
||||
|
||||
ADD_STRING ("\n");
|
||||
|
||||
/* Write the stuff out. */
|
||||
writev (fd, iov, nr);
|
||||
}
|
||||
|
||||
|
||||
#define REGISTER_DUMP register_dump (fd, &ctx)
|
73
sysdeps/powerpc/register-dump.h
Normal file
73
sysdeps/powerpc/register-dump.h
Normal file
@ -0,0 +1,73 @@
|
||||
/* Dump registers.
|
||||
Copyright (C) 1998 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
||||
|
||||
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 <sys/uio.h>
|
||||
#include <stdio-common/_itoa.h>
|
||||
|
||||
static const char *regnames[] =
|
||||
{
|
||||
"\nr0 =", " sp =", " r2 =", " r3 =", " r4 =", " r5 =",
|
||||
"\nr6 =", " r7 =", " r8 =", " r9 =", " r10=", " r11=",
|
||||
"\nr12=", " r13=", " r14=", " r15=", " r16=", " r17=",
|
||||
"\nr18=", " r19=", " r20=", " r21=", " r22=", " r23=",
|
||||
"\nr24=", " r25=", " r26=", " r27=", " r28=", " r29=",
|
||||
"\nr30=", " r31=", " nip=", " msr=", " r3*=", " ctr=",
|
||||
"\nlr =", " xer=", " ccr=", " mq =", " trap=",
|
||||
"\naddress of fault=", " dsisr=",
|
||||
};
|
||||
|
||||
static void
|
||||
register_dump (int fd, void **ctx)
|
||||
{
|
||||
char buffer[(sizeof (regnames) / sizeof (regnames[0])) * 8];
|
||||
char *bufferpos = buffer + sizeof (buffer);
|
||||
struct iovec iov[(sizeof (regnames) / sizeof (regnames[0])) * 2 + 1];
|
||||
int nr = 0;
|
||||
|
||||
#define ADD_STRING(str) \
|
||||
iov[nr].iov_base = (char *) str; \
|
||||
iov[nr].iov_len = strlen (str); \
|
||||
++nr
|
||||
#define ADD_HEX(str, len) \
|
||||
do { \
|
||||
char *s = _itoa_word ((unsigned long int) x, bufferpos, 16, 0); \
|
||||
while (bufferpos - s < 8) \
|
||||
*--s = '0'; \
|
||||
iov[nr].iov_base = s; \
|
||||
iov[nr].iov_len = bufferpos - s; \
|
||||
bufferpos = s; \
|
||||
} while (0)
|
||||
|
||||
/* Generate the output. */
|
||||
ADD_STRING ("Register dump:\n\n");
|
||||
for (i = 0; i < sizeof (regnames) / sizeof (regnames[0]); i++)
|
||||
{
|
||||
ADD_STRING (regnames[i]);
|
||||
ADD_HEX (ctx[i]);
|
||||
}
|
||||
|
||||
/* Write the output. */
|
||||
writev (fd, iov, nr);
|
||||
}
|
||||
|
||||
|
||||
#define REGISTER_DUMP \
|
||||
ctx += 8; /* FIXME!!!! Why is this necessary? Is it necessary? */ \
|
||||
register_dump (fd, ctx)
|
@ -18,9 +18,10 @@
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <signal.h>
|
||||
#include <sigcontextinfo.h>
|
||||
|
||||
static void
|
||||
profil_counter (int signo, struct sigcontext sc)
|
||||
profil_counter (int signo, SIGCONTEXT scp)
|
||||
{
|
||||
profil_count ((void *) sc.eip);
|
||||
profil_count ((void *) GET_PC (scp));
|
||||
}
|
||||
|
@ -1,7 +1,7 @@
|
||||
/Maybe extra code for non-ELF binaries/a\
|
||||
file=$1\
|
||||
# Run the ldd stub.\
|
||||
lddlibc4 $file\
|
||||
lddlibc4 "$file"\
|
||||
# Test the result.\
|
||||
if test $? -lt 3; then\
|
||||
return 0;\
|
||||
|
131
sysdeps/unix/sysv/linux/powerpc/chown.c
Normal file
131
sysdeps/unix/sysv/linux/powerpc/chown.c
Normal file
@ -0,0 +1,131 @@
|
||||
/* chown() compatibility.
|
||||
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 <errno.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <limits.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
/*
|
||||
In Linux 2.1.x the chown functions have been changed. A new function lchown
|
||||
was introduced. The new chown now follows symlinks - the old chown and the
|
||||
new lchown do not follow symlinks.
|
||||
This file emulates chown() under the old kernels.
|
||||
*/
|
||||
|
||||
extern int __syscall_chown (const char *__file,
|
||||
uid_t __owner, gid_t __group);
|
||||
|
||||
int
|
||||
__chown (const char *file, uid_t owner, gid_t group)
|
||||
{
|
||||
int err;
|
||||
int old_errno;
|
||||
char link[PATH_MAX+2];
|
||||
char path[2*PATH_MAX+4];
|
||||
int loopct;
|
||||
int filelen;
|
||||
static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */;
|
||||
|
||||
if (libc_old_chown == 1)
|
||||
return __syscall_chown (file, owner, group);
|
||||
|
||||
old_errno = errno;
|
||||
|
||||
#ifdef __NR_lchown
|
||||
if (libc_old_chown == 0)
|
||||
{
|
||||
err = __syscall_chown (file, owner, group);
|
||||
if (err != -1 || errno != ENOSYS)
|
||||
{
|
||||
libc_old_chown = 1;
|
||||
return err;
|
||||
}
|
||||
libc_old_chown = -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
err = __readlink (file, link, PATH_MAX+1);
|
||||
if (err == -1)
|
||||
{
|
||||
errno = old_errno;
|
||||
return __lchown(file, owner, group);
|
||||
}
|
||||
|
||||
filelen = strlen (file) + 1;
|
||||
if (filelen > sizeof(path))
|
||||
{
|
||||
errno = ENAMETOOLONG;
|
||||
return -1;
|
||||
}
|
||||
memcpy (path, file, filelen);
|
||||
|
||||
/* 'The system has an arbitrary limit...' In practise, we'll hit
|
||||
ENAMETOOLONG before this, usually. */
|
||||
for (loopct = 0; loopct < 128; loopct++)
|
||||
{
|
||||
int linklen;
|
||||
|
||||
if (err >= PATH_MAX+1)
|
||||
{
|
||||
errno = ENAMETOOLONG;
|
||||
return -1;
|
||||
}
|
||||
|
||||
link[err] = 0; /* Null-terminate string, just-in-case. */
|
||||
|
||||
linklen = strlen (link) + 1;
|
||||
|
||||
if (link[0] == '/')
|
||||
memcpy (path, link, linklen);
|
||||
else
|
||||
{
|
||||
filelen = strlen (path);
|
||||
|
||||
while (filelen > 1 && path[filelen-1] == '/')
|
||||
filelen--;
|
||||
while (filelen > 0 && path[filelen-1] != '/')
|
||||
filelen--;
|
||||
if (filelen + linklen > sizeof(path))
|
||||
{
|
||||
errno = ENAMETOOLONG;
|
||||
return -1;
|
||||
}
|
||||
memcpy (path+filelen, link, linklen);
|
||||
}
|
||||
|
||||
err = __readlink(path, link, PATH_MAX+1);
|
||||
|
||||
if (err == -1)
|
||||
{
|
||||
errno = old_errno;
|
||||
return __lchown(path, owner, group);
|
||||
}
|
||||
}
|
||||
errno = ELOOP;
|
||||
return -1;
|
||||
}
|
||||
|
||||
#if defined PIC && defined DO_VERSIONING
|
||||
default_symbol_version (__chown, chown, GLIBC_2.1);
|
||||
#else
|
||||
weak_alias (__chown, chown)
|
||||
#endif
|
@ -1,5 +1,5 @@
|
||||
/* Wrapper around clone system call.
|
||||
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
|
||||
@ -28,56 +28,60 @@
|
||||
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
|
||||
|
||||
ENTRY(__clone)
|
||||
/* Set up stack frame, save registers. */
|
||||
stwu %r1,-32(%r1)
|
||||
/* Check for child_stack == NULL || fn == NULL. */
|
||||
cmpwi %cr0,%r4,0
|
||||
stw %r31,16(%r1)
|
||||
cmpwi %cr1,%r3,0
|
||||
stw %r30,20(%r1)
|
||||
beq- %cr0,badargs
|
||||
beq- %cr1,badargs
|
||||
cmpwi %cr0,%r4,0
|
||||
cmpwi %cr1,%r3,0
|
||||
cror cr0*4+eq,cr1*4+eq,cr0*4+eq
|
||||
beq- %cr0,L(badargs)
|
||||
|
||||
/* Set up stack frame for parent. */
|
||||
stwu %r1,-32(%r1)
|
||||
stmw %r29,16(%r1)
|
||||
|
||||
/* Set up stack frame for child. */
|
||||
addi %r4,%r4,-16
|
||||
clrrwi %r4,%r4,4
|
||||
li %r0,0
|
||||
stw %r0,0(%r4)
|
||||
clrrwi %r4,%r4,4
|
||||
li %r0,0
|
||||
stwu %r0,-16(%r4)
|
||||
|
||||
/* Save fn, args across syscall. */
|
||||
mr %r30,%r3 /* Function in r30. */
|
||||
mr %r31,%r6 /* Arguments in r31. */
|
||||
/* Save fn, args, stack across syscall. */
|
||||
mr %r29,%r3 /* Function in r29. */
|
||||
mr %r30,%r4 /* Stack pointer in r30. */
|
||||
mr %r31,%r6 /* Argument in r31. */
|
||||
|
||||
/* 'flags' argument is first parameter to clone syscall. (The other
|
||||
argument is the stack pointer, already in r4.) */
|
||||
mr %r3,%r5
|
||||
mr %r3,%r5
|
||||
|
||||
/* Do the call. */
|
||||
DO_CALL(SYS_ify(clone))
|
||||
bso- error
|
||||
beq child
|
||||
|
||||
/* Parent. Restore registers & return. */
|
||||
lwz %r31,16(%r1)
|
||||
lwz %r30,20(%r1)
|
||||
addi %r1,%r1,32
|
||||
blr
|
||||
/* Check for child process. */
|
||||
cmpwi %cr1,%r3,0
|
||||
crandc cr1*4+eq,cr1*4+eq,cr0*4+so
|
||||
bne- %cr1,L(parent) /* The '-' is to minimise the race. */
|
||||
|
||||
child:
|
||||
/* On at least mklinux DR3a5, clone() doesn't actually change
|
||||
the stack pointer. I'm pretty sure this is a bug, because
|
||||
it adds a race condition if a signal is sent to a thread
|
||||
just after it is created (in the previous three instructions). */
|
||||
mr %r1,%r30
|
||||
/* Call procedure. */
|
||||
mtlr %r30
|
||||
mr %r3,%r31
|
||||
blrl
|
||||
mtctr %r29
|
||||
mr %r3,%r31
|
||||
bctrl
|
||||
/* Call _exit with result from procedure. */
|
||||
b JUMPTARGET(_exit)
|
||||
b JUMPTARGET(_exit)
|
||||
|
||||
badargs:
|
||||
li %r3,EINVAL
|
||||
error:
|
||||
lwz %r31,16(%r1)
|
||||
lwz %r30,20(%r1)
|
||||
addi %r1,%r1,32
|
||||
b JUMPTARGET(__syscall_error)
|
||||
L(parent):
|
||||
/* Parent. Restore registers & return. */
|
||||
lmw %r29,16(%r1)
|
||||
addi %r1,%r1,32
|
||||
bnslr+
|
||||
b JUMPTARGET(__syscall_error)
|
||||
|
||||
L(badargs):
|
||||
li %r3,EINVAL
|
||||
b JUMPTARGET(__syscall_error)
|
||||
END (__clone)
|
||||
|
||||
weak_alias (__clone, clone)
|
||||
|
35
sysdeps/unix/sysv/linux/powerpc/lchown.S
Normal file
35
sysdeps/unix/sysv/linux/powerpc/lchown.S
Normal file
@ -0,0 +1,35 @@
|
||||
/* lchown system call.
|
||||
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. */
|
||||
|
||||
/* Some old kernel headers call lchown() 'chown'. The number is
|
||||
the same. */
|
||||
|
||||
#include <sysdep.h>
|
||||
|
||||
#ifdef __NR_lchown
|
||||
PSEUDO (__lchown, lchown, 3)
|
||||
#else
|
||||
PSEUDO (__lchown, chown, 3)
|
||||
#endif
|
||||
ret
|
||||
PSEUDO_END(__lchown)
|
||||
weak_alias (__lchown, lchown)
|
||||
#if defined PIC && defined DO_VERSIONING
|
||||
symbol_version (__lchown, chown, GLIBC_2.0);
|
||||
#endif
|
@ -1,34 +1,2 @@
|
||||
/* Low-level statistical profiling support function. Linux/PowerPC version.
|
||||
Copyright (C) 1996, 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. */
|
||||
|
||||
#include <sys/ptrace.h>
|
||||
|
||||
/* You can also do this by using
|
||||
void
|
||||
profil_counter (int signo, struct pt_regs *pt)
|
||||
{
|
||||
profil_count ((void *) pt->nip);
|
||||
}
|
||||
*/
|
||||
|
||||
void
|
||||
profil_counter (int signo, void **regs)
|
||||
{
|
||||
profil_count (regs[PT_NIP]);
|
||||
}
|
||||
/* We can use the ix86 version. */
|
||||
#include <sysdeps/unix/sysv/linux/i386/profil-counter.h>
|
||||
|
24
sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h
Normal file
24
sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h
Normal file
@ -0,0 +1,24 @@
|
||||
/* 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 <sys/ptrace.h>
|
||||
|
||||
#define SIGCONTEXT void **
|
||||
#define GET_PC(ctx) ((ctx)[PT_NIP])
|
||||
#define GET_FRAME(ctx) (*(void **)(ctx)[PT_R1])
|
||||
#define GET_STACK(ctx) ((ctx)[PT_R1])
|
@ -1,6 +1,4 @@
|
||||
# File name Caller Syscall name # args Strong name Weak names
|
||||
|
||||
s_llseek llseek _llseek 5 __sys_llseek
|
||||
|
||||
getresuid - getresuid 3 getresuid
|
||||
getresgid - getresgid 3 getresgid
|
||||
s_chown chown chown 3 __syscall_chown
|
||||
|
@ -83,7 +83,11 @@ enum
|
||||
|
||||
|
||||
/* Possible value for FLAGS parameter of `umount2'. */
|
||||
#define MNT_FORCE /* Force unmounting. */
|
||||
enum
|
||||
{
|
||||
MNT_FORCE = 1 /* Force unmounting. */
|
||||
#define MNT_FORCE MNT_FORCE
|
||||
};
|
||||
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
Loading…
Reference in New Issue
Block a user