Commit Graph

13 Commits

Author SHA1 Message Date
Allan McRae
d4697bc93d Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Alan Modra
0b2c2ace36 PowerPC makecontext
http://sourceware.org/ml/libc-alpha/2013-08/msg00092.html

Use conditional form of branch and link to avoid destroying the cpu
link stack used to predict blr return addresses.

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S: Use
	conditional form of branch and link when obtaining pc.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S: Likewise.
2013-10-04 10:38:59 +09:30
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Ulrich Drepper
a12dcecc50 * stdlib/Makefile (tests): Add tst-makecontext.
* stdlib/tst-makecontext.c: New test.

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
	(__makecontext): Don't realign uc_mcontext.uc_regs.
2006-12-19 15:34:16 +00:00
Ulrich Drepper
a7e915610a * elf/tst-tls8.c (do_test): Use $ORIGIN in module names.
2006-01-03  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/generic/sysdep.h (cfi_same_value): Define macro.

	* sysdeps/powerpc/powerpc32/dl-trampoline.S (_dl_runtime_resolve,
	_dl_profile_resolve): Add CFI directives for stack and LR save.
	Save LR in LRSAVE of previous frame per ABI.
	* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Add CFI directives
	for LR save.
	* sysdeps/powerpc/powerpc32/lshift.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
	(__makecontext, __novec_makecontext): Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_ceil.S: Add CFI directive
	for LR save to register.
	* sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_floor.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_floorf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_rint.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_rintf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_round.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_copysign.S: Add CFI directive
	for stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Likewise.
	* sysdeps/powerpc/powerpc32/ppc-mcount.S: Add CFI directives for stack
	and LR save.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S:
	Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_lround.S:  Likewise.  Don't use
	negative stack addressing.

	* sysdeps/powerpc/powerpc64/dl-trampoline.S (_dl_runtime_resolve,
	_dl_profile_resolve): Add CFI directives for stack and LR save.
	* sysdeps/powerpc/powerpc64/fpu/s_copysign.S: Add CFI directives
	for stack.
	* sysdeps/powerpc/powerpc64/ppc-mcount.S (_mcount): Add CFI
	directives for stack and LR save.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S (__brk): Add CFI
	directives for stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S (__clone): Add CFI
	directives for stack.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
	(__getcontext, __novec_getcontext): Add CFI directives for stack
	and LR save.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S
	(__makecontext): Add CFI directives for stack and LR save.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
	(__setcontext, __novec_setcontext): Add CFI directives for stack
	and LR save.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
	(__swapcontext, __novec_swapcontext):  Add CFI directives for stack
	and LR save.
2006-01-07 03:58:05 +00:00
Ulrich Drepper
b0e196a46f * sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_RET): Don't use
JUMPTARGET.  Instead append @local to __syscall_error.
	* sysdeps/powerpc/powerpc32/bsd-_setjmp.S: Delete all occurrences
	of JUMPTARGET.  Instead append @local to labels.
	* sysdeps/powerpc/powerpc32/bsd-setjmp.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise.
	* sysdeps/powerpc/powerpc32/ppc-mcount.S: Likewise.
	* sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S: Likewise.

	* sysdeps/powerpc/powerpc32/fpu/s_ceil.S: Use float constants.
	* sysdeps/powerpc/powerpc32/fpu/s_floor.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_rint.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_lround.S: Likewise.  Use one GOT
	slot to access both constants.
	* sysdeps/powerpc/powerpc32/fpu/s_round.S: Likewise.
	* sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Likewise.
2005-05-21 19:29:13 +00:00
Ulrich Drepper
a334319f65 (CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. 2004-12-22 20:10:10 +00:00
Jakub Jelinek
0ecb606cb6 2.5-18.1 2007-07-12 18:26:36 +00:00
Ulrich Drepper
d3a4a571c4 Update.
2004-03-10  Jakub Jelinek  <jakub@redhat.com>

	* include/libc-symbols.h [__ASSEMBLY__] (compat_text_section,
	compat_data_section): Define.
	* sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIME): Add
	attribute_compat_text_section.
	* sysdeps/unix/sysv/linux/alpha/wordexp.c (__old_wordexp): Likewise.
	* sysdeps/unix/sysv/linux/alpha/oldglob.c (__old_glob,
	__old_globfree): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/chown.c (__chown_is_lchown):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c
	(__posix_fadvise64_l32): Likewise.
	* sysdeps/unix/sysv/linux/msgctl.c (__old_msgctl): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/posix_fadvise64.c
	(__posix_fadvise64_l32): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c (__old_semctl):
	Likewise.
	* sysdeps/unix/sysv/linux/semctl.c (__old_semctl): Likewise.
	* sysdeps/unix/sysv/linux/posix_fadvise64.c (__posix_fadvise64_l32):
	Likewise.
	* sysdeps/unix/sysv/linux/shmctl.c (__old_shmctl): Likewise.
	* hurd/compat-20.c (_hurd_proc_init_compat_20): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
	(__swapcontext, __novec_swapcontext): Use END instead of PSEUDO_END.
	(__novec_swapcontext, __swapcontext_stub): Add compat_text_section.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
	(__makecontext_stub): Likewise.
	(__novec_makecontext): Likewise.  Fix name in END () to match
	function name.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
	(__setcontext): Use END instead of PSEUDO_END.
	(__novec_setcontext): Add compat_text_section.  Use END instead of
	PSEUDO_END, fix the name in END () to match function name.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
	(__getcontext, __novec_getcontext): Use END instead of PSEUDO_END.
	(__novec_getcontext, __getcontext_stub): Add compat_text_section.

2004-03-10  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/sh/dl-machine.h: Don't use GL macro if not appropriate.
	(COPY_UNALIGNED_WORD): Remove cast used as lvalue.

2004-03-10  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/i386/dl-procinfo.h (HWCAP_IMPORTANT): Remove mmx, add sse2.
2004-03-10 19:28:58 +00:00
Ulrich Drepper
5ef6ae4bdb Update.
2004-01-14  Steven Munroe  <sjmunroe@us.ibm.com>

	* include/libc-symbols.h [HAVE_ASM_GLOBAL_DOT_NAME]
	(_symbol_version): Use C_SYMBOL_DOT_NAME to create '.'ed symbols.
	(_default_symbol_version): Use C_SYMBOL_DOT_NAME to create '.'ed
	symbols.
	* sysdeps/powerpc/Makefile: Add rtld-global-offsets.sym to
	gen-as-const-headers.
	* sysdeps/powerpc/elf/rtld-global-offsets.sym: New file.
	* sysdeps/powerpc/sysdep.h: Define v# symbols for vector registers.
	Define PPC_FEATURE_* masks for Aux Vector AT_HWCAP.
	* sysdeps/unix/sysv/linux/kernel-features.h
	(__ASSUME_SWAPCONTEXT_SYSCALL): Define for PPC and 2.6.0 kernels.
	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h [!__WORDSIZE == 32]:
	Declare mcontext_t inline and include altivec state for 64-bit.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions: Add GLIBC_2.3.4
	versions for setcontext, getcontext, and swapcontext.

	* sysdeps/unix/sysv/linux/powerpc/powerpc64/Versions: Add GLIBC_2.3.4
	versions for setcontext, getcontext, swapcontext, and makecontext.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S
	(__getcontext):  Upgrade to save Altivec regs and version GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)](__novec_getcontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S
	(__makecontext): Use parm save area instead of compiler_dw to hold
	context pointer.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S
	(__setcontext):  Upgrade to restore Altivec regs and version
	GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)](__novec_setcontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S
	(__swapcontext): Upgrade to swap Altivec regs and version GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3, GLIBC_2_3_4)](__novec_swapcontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.h
	(SIGCONTEXT_V_REGS_PTR, SIGCONTEXT_V_RESERVE): Defined.


2004-01-12  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions: Add GLIBC_2.3.4
	versions for setcontext, getcontext, swapcontext, and makecontext.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S
	(__getcontext):  Upgrade to save Altivec regs and version GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)](__novec_getcontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S
	(__makecontext): Upgrade to align for Altivec regs and version
	GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)](__novec_makecontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S
	(__setcontext):  Upgrade to restore Altivec regs and version
	GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)](__novec_setcontext):
	Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S
	(__swapcontext): Upgrade to swap Altivec regs and version GLIBC_2_3_4.
	[SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)]
	(__novec_swapcontext): Compatible with GLIBC_2.3.3 release.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h:
	(_UC_VSCR, _UC_VRSAVE): Define.
	(_FRAME_BACKCHAIN, _FRAME_LR_SAVE,_FRAME_PARM_SAVE1,_FRAME_PARM_SAVE2,
	_FRAME_PARM_SAVE3, _FRAME_PARM_SAVE4): Defined.
2004-01-16 04:50:59 +00:00
Ulrich Drepper
54ee14b388 Update.
2003-09-23  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions [libc]
	(GLIBC_2.3.3): Add setcontext, getcontext, swapcontext, and
	makecontext.
	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Correct change
	for include Altivec support for PPC32.  It was not compatible.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h: Adjust
	offsets for ucontext_t change.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: Adjust
	for ucontext_t change.  Add compatibility code.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: Likewise.
	Patch by Paul Mackerras <paulus@samba.org>.

2003-02-25  Randolph Chung  <tausq@debian.org>

	* sysdeps/hppa/Makefile: Include compat code in build.
	* sysdeps/hppa/libgcc-compat.c: New file.
	* sysdeps/hppa/Dist: Add libgcc-compat.c.
	* sysdeps/hppa/Versions [GLIBC_2.2]: Add __clz_tab.
2003-09-24 03:22:56 +00:00
Ulrich Drepper
aebcf54cb0 Update.
2003-06-17  Paul Mackerras  <paulus@samba.org>

	* sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h: New file.
	* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Adjust.
2003-06-18 03:38:07 +00:00