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* ia64: longjmp_chk: support signal stacks [BZ #16372]Mike Frysinger2013-12-305-12/+82
| | | | | | | | The sp check has to be moved up to the start of the func since it now makes a system call and that'll clobber a lot of registers. URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16372 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: setjmp/longjmp: stop saving/restoring fpsr [BZ #16379]Mike Frysinger2013-12-304-12/+21
| | | | | | | | | The new tst-setjmp-fp test has been failing on IA64 because the setjmp and longjmp helpers take care of saving/restoring the fpsr register. Per the C standards, this is incorrect, so disable that logic. URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16379 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: setjmp: use HIDDEN_JUMPTARGETMike Frysinger2013-12-302-3/+12
| | | | | | Rather than opencode the __GI_xxx logic, use proper hidden helpers. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: syscall: add some helpful documentationMike Frysinger2013-12-292-0/+8
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: implement futex requeue pi supportMike Frysinger2013-12-252-0/+34
| | | | | | Used the s390 code as a guideline until all tests pass. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: add lll_futex_timed_wait_bitsetMike Frysinger2013-12-252-0/+16
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: ioperm: clean up long dead codeMike Frysinger2013-12-242-19/+8
| | | | | | | | | | | This file has a few #if 0 code paths which cause a build time warning: ports/sysdeps/unix/sysv/linux/ia64/ioperm.c:66:7: warning: variable 'prot' set but not used [-Wunused-but-set-variable] Rather than add more #if 0 around that variable, just delete the code altogether. Not like it's going to ever be implemented. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: implement sotruss supportMike Frysinger2013-12-242-0/+54
| | | | | | | | | | | | | Tested with: $ cat test.c main(){close(0x1024, 2, 3);} $ gcc test.c $ sotruss -e ./a.out a.out -> libc.so.6.1 : __libc_start_main(0x4000000000000950, 0x1, 0x60000fffffb56bc8) a.out -> libc.so.6.1 : close(0x1024, 0x2, 0x3) a.out -> libc.so.6.1 : close - 0xffffffffffffffff Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* ia64: link.h: adjust whitespaceMike Frysinger2013-12-242-10/+14
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* [AArch64] Save and restore q0-q7 on entry to dynamic linker.Marcus Shawcroft2013-12-182-4/+30
| | | | | [BZ #15128] Ensure all argument passing registers are saved and restored on entry to dynamic linker.
* [AArch64] Implement FUTEX_*_REQUEUE_PIMarcus Shawcroft2013-12-172-0/+40
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* [AArch64] libm-test-ulps regenerated from scratch.Marcus Shawcroft2013-12-172-1926/+78
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* [AArch64] Back out sqrt() addition to libm-test-ulps.Marcus Shawcroft2013-12-172-20/+4
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* [AArch64] Regenerate libm-test-ulps.Marcus Shawcroft2013-12-112-13/+4296
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* m68k: use math_force_eval in nextafterlAndreas Schwab2013-12-102-5/+6
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* m68k: add support for PI futexesAndreas Schwab2013-12-102-0/+34
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* m68k: don't assume PI futexes before 3.10Andreas Schwab2013-12-102-0/+12
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* ChangeLog fixAndreas Schwab2013-12-101-1/+3
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* alpha: Convert <bits/mman.h> to <bits/mman-linux.h>Richard Henderson2013-12-072-83/+24
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* Update MIPS dl-lookup.c from generic version.Joseph Myers2013-12-032-3/+6
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* Fix dbl-64 e_sqrt.c for non-default rounding modes (bug 16271).Joseph Myers2013-11-2818-0/+48
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* MIPS: Fix RLIM64_INFINITY constant for O32 and N32 ABIsAurelien Jarno2013-11-278-30/+75
| | | | | | | Fix the RLIM64_INFINITY constant for O32 and N32 ABIs to match the kernel one. Change the getrlimit64/setrlimit64 into old compat symbols, and provide the Linux generic getrlimit64/setrlimit64 functions as GLIBC_2_19 version.
* MIPS: Add wrappers to get/setrlimit64 to fix RLIM64_INFINITY constantAurelien Jarno2013-11-273-0/+127
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | RLIM64_INFINITY was supposed to be a glibc convention rather than anything seen by the kernel, but it ended being passed to the kernel through the prlimit64 syscall. On O32 and N32 ABIs, we therefore end-up with different values on the userland and kernel side: * On the kernel side, the value is defined for all architectures as include/uapi/linux/resource.h: #define RLIM64_INFINITY (~0ULL) * On the GNU libc side, the value is defined in ports/sysdeps/unix/sysv/linux/mips/bits/resource.h: For the O32 and N32 ABI: # define RLIM64_INFINITY 0x7fffffffffffffffULL and for the N64 ABI: # define RLIM64_INFINITY 0xffffffffffffffffUL This was not a problem until the prlimit64 syscall was wired in the 2.6.36 kernel. Given the GLIBC uses the prlimit64 syscall to implement getrlimit64 and setrlimit64, pam_limits.so is setting the limits to a very big value instead of infinity. As a normal user process can later only decrease the value and not increase it, it will later get and EPERM error when trying to set the value to infinity with setrlimit. The GLIBC has this constant for more than 7 years, and as it is defined in a header file, it means a lot of binaries are in the wild. This patch fixes that by adding a wrapper to fix the value passed to or received from the kernel, before or after calling the prlimit64 syscall.
* aarch64: Enable ifunc support.Will Newton2013-11-263-3/+49
| | | | | | | | | | | | | | | | | Add support for handling the R_AARCH64_IRELATIVE relocation and STT_GNU_IFUNC symbols to the aarch64 port. ports/ChangeLog.aarch64: 2013-11-26 Will Newton <will.newton@linaro.org> * sysdeps/aarch64/dl-irel.h: Include ldsodefs.h. (ELF_MACHINE_IRELA): Define. (elf_ifunc_invoke): Pass hwcap to ifunc resolver function. (elf_irela): New function. * sysdeps/aarch64/dl-machine.h: Include dl-irel.h. (elf_machine_rela) Handle STT_GNU_IFUNC symbols and R_AARCH64_IRELATIVE relocations. (elf_machine_lazy_rel): Handle R_AARCH64_IRELATIVE relocations.
* Use __glibc_reserved instead __unused.Ondřej Bílka2013-11-2636-111/+150
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* ARM: Fix memcpy computed-jump calculations for ARM_ALWAYS_BX case.Roland McGrath2013-11-223-18/+19
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* Don't use broken DL_AUTO_FUNCTION_ADDRESS()Guy Martin2013-11-216-48/+82
| | | | | | | | | | | | On hppa and ia64, the macro DL_AUTO_FUNCTION_ADDRESS() uses the variable fptr[2] in it's own scope. The content of fptr[] is thus undefined right after the macro exits. Newer gcc's (>= 4.7) reuse the stack space of this variable triggering a segmentation fault in dl-init.c:69. To fix this we rewrite the macros to make the call directly to init and fini without needing to pass back a constructed function pointer.
* linux-generic: fix alignment of struct stat/statfs for nios2Chung-Lin Tang2013-11-203-6/+15
| | | | | | | | | The hard alignment of 8 was appropriate for most platforms for which 8-byte values are 8-byte aligned, but this is not true for the nios2 platform, so only align to the alignment of the 8-byte type on the platform. Remove the explicit alignment of struct statfs as it's redundant.
* alpha: Fix signal thunk unwind infoRichard Henderson2013-11-162-4/+19
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* rename configure.in to configure.acMike Frysinger2013-10-3050-25/+119
| | | | | | | Autoconf has been deprecating configure.in for quite a long time. Rename all our configure.in and preconfigure.in files to .ac. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Move entries to correct port ChangeLog files.Joseph Myers2013-10-183-11/+11
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* Fix typos.Yuri Chornoivan2013-10-123-2/+7
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* Fix typo in last changeAndreas Schwab2013-10-081-1/+1
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* m68k: use PIC for Scrt1.oAndreas Schwab2013-10-082-0/+25
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* Move powerpc ports pieces to libc.Joseph Myers2013-10-0462-13286/+31
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* e500 port: getcontext / setcontext / swapcontext.Joseph Myers2013-10-045-0/+161
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* ARM: Allow building __sigsetjmp as Thumb.Will Newton2013-10-042-3/+5
| | | | | | | | | | | Convert __sigsetjmp code to allow building as Thumb. ports/ChangeLog.arm: 2013-10-04 Will Newton <will.newton@linaro.org> * sysdeps/arm/setjmp.S (NO_THUMB): Remove define. (__sigsetjmp): Use Thumb supported instructions.
* ARM: Allow building __longjmp as Thumb.Will Newton2013-10-043-5/+10
| | | | | | | | | | | | | Convert __longjmp code to allow building as Thumb. ports/ChangeLog.arm: 2013-10-04 Will Newton <will.newton@linaro.org> * sysdeps/arm/__longjmp.S (NO_THUMB): Remove define. (__longjmp): Use Thumb supported instructions. * sysdeps/unix/sysv/linux/arm/____longjmp_chk.S (NO_THUMB): Remove define.
* fix changelog dateAlan Modra2013-10-041-1/+1
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* PowerPC floating point little-endian [1 of 15]Alan Modra2013-10-042-4/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | http://sourceware.org/ml/libc-alpha/2013-08/msg00081.html This is the first of a series of patches to ban ieee854_long_double and the ieee854_long_double macros when using IBM long double. union ieee854_long_double just isn't correct for IBM long double, especially when little-endian, and pretending it is OK has allowed a number of bugs to remain undetected in sysdeps/ieee754/ldbl-128ibm/. This changes the few places in generic code that use it. * stdio-common/printf_size.c (__printf_size): Don't use union ieee854_long_double in fpnum union. * stdio-common/printf_fphex.c (__printf_fphex): Likewise. Use signbit macro to retrieve sign from long double. * stdio-common/printf_fp.c (___printf_fp): Use signbit macro to retrieve sign from long double. * sysdeps/ieee754/ldbl-128ibm/printf_fphex.c: Adjust for fpnum change. * sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise. * sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise. * sysdeps/x86_64/fpu/printf_fphex.c: Likewise. * math/test-misc.c (main): Don't use union ieee854_long_double. ports/ * sysdeps/ia64/fpu/printf_fphex.c: Adjust for fpnum change.
* 2013-09-26 Steve Ellcey <sellcey@mips.com>Steve Ellcey2013-10-036-0/+6
| | | | | | | | | | [BZ #15632] * sysdeps/mips/mips32/fpu/e_sqrt.c: New. * sysdeps/mips/mips32/fpu/e_sqrtf.c: New. * sysdeps/mips/mips64/n32/fpu/e_sqrt.c: New. * sysdeps/mips/mips64/n32/fpu/e_sqrtf.c: New. * sysdeps/mips/mips64/n64/fpu/e_sqrt.c: New. * sysdeps/mips/mips64/n64/fpu/e_sqrtf.c: New.
* 2013-09-26 Steve Ellcey <sellcey@mips.com>Steve Ellcey2013-10-031-0/+10
| | | | | | | | | | [BZ #15632] * sysdeps/mips/mips32/fpu/e_sqrt.c: New. * sysdeps/mips/mips32/fpu/e_sqrtf.c: New. * sysdeps/mips/mips64/n32/fpu/e_sqrt.c: New. * sysdeps/mips/mips64/n32/fpu/e_sqrtf.c: New. * sysdeps/mips/mips64/n64/fpu/e_sqrt.c: New. * sysdeps/mips/mips64/n64/fpu/e_sqrtf.c: New.
* ARM: Add pointer encryption support.Will Newton2013-10-037-6/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for pointer encryption in glibc internal structures in C and assembler code. Pointer encryption is a glibc security feature described here: https://sourceware.org/glibc/wiki/PointerEncryption The ARM implementation uses global variables instead of thread pointer relative accesses to get the value of the pointer encryption guard because accessing the thread pointer can be very expensive on older ARM cores. ports/ChangeLog.arm: 2013-10-03 Will Newton <will.newton@linaro.org> * sysdeps/arm/__longjmp.S (__longjmp): Demangle fp, sp and lr when restoring register values. * sysdeps/arm/include/bits/setjmp.h (JMP_BUF_REGLIST): Remove sp and lr from list and replace fp with a4. * sysdeps/arm/jmpbuf-unwind.h (_jmpbuf_sp): New function. (_JMPBUF_UNWINDS_ADJ): Call _jmpbuf_sp. * sysdeps/arm/setjmp.S (__sigsetjmp): Mangle fp, sp and lr before storing register values. * sysdeps/arm/sysdep.h (LDST_GLOBAL): New macro. * sysdeps/unix/sysv/linux/arm/sysdep.h (PTR_MANGLE): New macro. (PTR_DEMANGLE): Likewise. (PTR_MANGLE2): Likewise. (PTR_DEMANGLE2): Likewise.
* alpha: Improve conditions under which PTR_MANGLE is definedRichard Henderson2013-10-012-31/+26
| | | | | After 0b1f8e35640f5b3f7af11764ade3ff060211c309, we now have a __pointer_chk_guard_local for the static libc.
* [AArch64] Fix BE access to errno.Andrew Pinski2013-09-302-1/+6
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* [AArch64] Support __mcount profiling.Marcus Shawcroft2013-09-242-8/+12
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* [AArch64] Adding sigcontextinfo.hMarcus Shawcroft2013-09-242-0/+39
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* ports/sysdeps/arm/nptl/tls.h: Remove TLS_INIT_TP_EXPENSIVE.Will Newton2013-09-242-4/+5
| | | | | | | | | | | This define was removed from the rest of the tree eight years ago. ports/ChangeLog.arm: 2013-09-24 Will Newton <will.newton@linaro.org> * ports/sysdeps/arm/nptl/tls.h (TLS_INIT_TP_EXPENSIVE): Remove macro.
* 2013-09-23 Steve Ellcey <sellcey@mips.com>Steve Ellcey2013-09-232-0/+131
| | | | | | | | | | | | | | | | | | | | | | | * sysdeps/mips/math_private.h (libc_feholdexcept_mips): New function. (libc_feholdexcept): New macro. (libc_feholdexceptf): New macro. (libc_feholdexceptl): New macro. (libc_fesetround_mips): New function. (libc_fesetround): New macro. (libc_fesetroundf): New macro. (libc_fesetroundl): New macro. (libc_feholdexcept_setround_mips): New function. (libc_feholdexcept_setround): New macro. (libc_feholdexcept_setroundf): New macro. (libc_feholdexcept_setroundl): New macro. (libc_fesetenv_mips): New function. (libc_fesetenv): New macro. (libc_fesetenvf): New macro. (libc_fesetenvl): New macro. (libc_feupdateenv_mips): New function. (libc_feupdateenv): New macro. (libc_feupdateenvf): New macro. (libc_feupdateenvl): New macro.
* MIPS: bits/atomic.h: Fix comment typoMaciej W. Rozycki2013-09-232-1/+5
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