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* Revert "linux: Move {f}xstat{at} to compat symbols"Adhemerval Zanella2020-12-021-8/+0
| | | | | | | | | | | | | This reverts commit 20b39d59467b0c1d858e89ded8b0cebe55e22f60 to move {f}xstat{at} back to default symbols. ABIs with default symbol version of 2.33 or newer (such as riscv32) continue to just provide the stat symbols. The idea is to not force static libraries built against old glibc to update against new glibcs (since they reference the old {f}xstat{at} symbols). Checked on x86_64-linux-gnu and i686-linux-gnu.
* linux: Move {f}xstat{at} to compat symbolsAdhemerval Zanella2020-10-091-0/+8
| | | | | | | | | | | They are no interna uses anymore. The riscv32 ABI was added on 2.33, so it is safe to remove the old __{f,l}stat{at} symbols and just provide the newer {f,l}stat{at} ones. Checked with a build for all affected ABIs. I also checked on x86_64, i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* linux: Disentangle fstatat from fxstatatAdhemerval Zanella2020-10-091-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It implements all the required syscall for the all Linux kABIS on fstatat{64} instead of calling fxstatat{64}. On non-LFS implementation, it handles 3 cases: 1. New kABIs which uses generic pre 64-bit time Linux ABI (csky and nios): it issues __NR_fstat64 plus handle the overflow on st_ino, st_size, or st_blocks. 2. Old KABIs with old non-LFS support (arm, i386, hppa, m68k, microblaze, mips32, s390, sh, powerpc, and sparc32): it issues __NR_fstatat64 and convert the result to struct stat. 3. 64-bit kABI outliers (mips64 and mips64-n32): it issues __NR_newfstatat and convert the result to struct stat. The generic LFS implementation handles multiple cases: 1. XSTAT_IS_XSTAT64 being 1: 1.1. 64-bit kABI (aarch64, ia64, powerpc64*, s390x, riscv64, and x86_64): it issues __NR_newfstatat. 1.2. 64-bit kABI outlier (alpha): it issues __NR_fstatat64. 1.3. 64-bit kABI outlier where struct stat64 does not match kernel one (sparc64): it issues __NR_fstatat64 and convert the result to struct stat64. 1.4. 32-bit kABI with default 64-bit time_t (arc, riscv32): it issues __NR_statx and convert the result to struct stat64. 2. Old ABIs with XSTAT_IS_XSTAT64 being 0: 2.1. All kABIs with non-LFS support (arm, csky, i386, hppa, m68k, microblaze, nios2, sh, powerpc32, and sparc32): it issues __NR_fstatat64. 2.2. 64-bit kABI outliers (mips64 and mips64-n32): it issues __NR_newfstatat and convert the result to struct stat64. It allows to remove all the hidden definitions from the {f,l}xstat{64} (some are still kept because Hurd requires it). Checked with a build for all affected ABIs. I also checked on x86_64, i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* linux: Consolidate lxstat{64}Adhemerval Zanella2020-09-111-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The LFS support is implemented on lxstat64.c, instead of lxstat.c for 64-bit architectures. The xstat.c implements the non-LFS and it is a no-op for !XSTAT_IS_XSTAT64. The generic non-LFS implementation handles two cases: 1. New kABIs which uses generic pre 64-bit time Linux ABI (csky and nios): it issues __NR_fstat64 with AT_SYMLINK_NOFOLLOW plus handles the possible overflow off st_ino, st_size, or st_blocks. It only handles _STAT_VER_KERNEL. 2. Old KABIs with old non-LFS support (arm, i386, hppa, m68k, microblaze, s390, sh, powerpc, and sparc32). For _STAT_VER_KERNEL it issues __NR_lstat, otherwise it isseus __NR_lstat64 and convert to non-LFS stat struct and handle possible overflows on st_ino, st_size, or st_blocks. Also non-LFS mips is an outlier and it has its own implementation since _STAT_VER_LINUX requires a different conversion function (it uses the kernel_stat as the syscall argument since its exported ABI is different than the kernel one for both non-LFS and LFS implementation). The generic LFS implementation handles multiple cases: 1. XSTAT_IS_XSTAT64 being 1: 1.1. Old 64-bit kABI (ia64, powerpc64*, s390x, sparc64, x86_64): it issues __NR_lstat for _STAT_VER_KERNEL or _STAT_VER_LINUX. 1.2. Old 64-bit kABI with defines __NR_lstat64 instead of __NR_lstat (sparc64): it issues __NR_lstat for _STAT_VER_KERNEL or __NR_lstat64 and convert to struct stat64. 1.3. New kABIs which uses generic 64-bit Linux ABI (aarch64 and riscv64): it issues __NR_newfstatat with AT_SYMLINK_NOFOLLOW and only for _STAT_VER_KERNEL. 1.4. New 32-bit kABIs with only 64-bit time_t support (arc and riscv32): it issues __NR_statx and covert to struct stat64. 2. Old ABIs with XSTAT_IS_XSTAT64 being 0: 2.1. New kABIs which uses generic pre 64-bit time Linux ABI (csky and nios2): it issues __NR_fstatat64 for _STAT_VER_KERNEL. 2.2. Old kABIs with old non-LFS support (arm, i386, hppa, m68k, microblaze, s390, sh, mips32, powerpc32, and sparc32): it issues __NR_lstat64. Also, two special cases requires specific LFS implementations: 1. alpha: it requires to handle _STAT_VER_KERNEL64 to issue __NR_lstat64 and use the kernel_stat with __NR_lstat otherwise. 2. mips64: as for non-LFS implementation its ABIs differ from glibc exported one, which requires a specific conversion function to handle the kernel_stat. Checked with a build for all affected ABIs. I also checked on x86_64, i686, powerpc, powerpc64le, sparcv9, sparc64, s390, and s390x. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Update.Andreas Jaeger2000-02-011-80/+0
| | | | | | * sysdeps/unix/sysv/linux/mips/lxstat.c: Removed, we can use the generic function. * sysdeps/unix/sysv/linux/mips/fxstat.c: Likewise.
* Update. cvs/libc-ud-970721Ulrich Drepper1997-07-221-0/+80
1997-07-22 01:35 Ulrich Drepper <drepper@cygnus.com> * Makerules (+make-deps): Use $(CFLAGS) in run of $(+mkdep) so that optimizing is also selected for dependency generation. * configure.in: Add machine description for TI c[34]x. * inet/Makefile (routines): Remove ntohl and ntohs. * inet/netinet/in.h: Use optimized version of hton? and ntoh? for little endian machines. * sysdeps/alpha/ntohl.s: Removed. * sysdeps/alpha/ntohs.s: Removed. * sysdeps/generic/ntohl.c: Removed. * sysdeps/generic/ntohs.c: Removed. * sysdeps/generic/htonl.c: Add aliases for ntohl. * sysdeps/vax/htonl.s: Likewise. * sysdeps/generic/htons.c: Add aliases for ntohs. * sysdeps/vax/htons.s: Likewise. * sysdeps/vax/ntohl.s: Removed. * sysdeps/vax/ntohs.s: Removed. * sysdeps/generic/bits/htontoh.h: New file. * sysdeps/i386/htonl.S: New file. * sysdeps/i386/htons.S: New file. * sysdeps/i386/i486/htonl.S: New file. * sysdeps/i386/fpu/bits/mathinline.h: Correct and optimized compare macros. * sysdeps/mips/dl-machine.h: Remove mips64 dependent parts. * sysdeps/mips/mips64/dl-machine.h: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't install syscall-list.h. 1997-07-12 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libc.map: Add missing symbol _obstack. 1997-07-14 08:22 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/mips/rtld-parms: New. * sysdeps/unix/sysv/linux/mips/lxstat.h: Moved to * sysdeps/unix/sysv/linux/mips/lxstat.c: ...this. * sysdeps/unix/sysv/linux/mips/sgidef.h: Moved to * sysdeps/unix/sysv/linux/mips/sgidefs.h: ...this. * sysdeps/generic/dl-sysdep.c (_start): Change to ENTRY_POINT. 1997-07-17 08:39 H.J. Lu <hjl@gnu.ai.mit.edu> * sysdeps/mips/dl-machine.h: Remove extra stuff. 1997-07-06 07:18 Geoff Keating <geoffk@ozemail.com.au> * sysdeps/powerpc/bits/endian.h: Handle multiple endianess. * stdlib/grouping.h: Suppress gcc warning about testing unsigned char for less-than-zero. * stdio-common/printf_fp.c: Likewise. * stdio-common/vfprintf.c: Likewise. * sysdeps/powerpc/add_n.s: New file. * sysdeps/powerpc/sub_n.s: New file. * sysdeps/powerpc/lshift.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/mul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/addmul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/submul_1.s: Ported XCOFF->ELF (from GMP). * sysdeps/powerpc/rshift.s: Ported XCOFF->ELF (from GMP). * math/libm-test.c (cos_test, sin_test, sincos_test): Use precomputed pi/6 rather than having gcc calculate it, otherwise tests give inaccurate result due to inaccurate input. * math/libm.map: Add __fe_*_env constants to list of exported symbols. * sysdeps/libm-ieee754/s_isinf.c: Simplify, make faster. * sysdeps/libm-ieee754/s_isinff.c: Simplify, make faster. * sysdeps/libm-ieee754/s_atan2f.c: Correct value of pi to be correct round-to-nearest value. * sysdeps/libm-ieee754/e_log.c: Make sure exceptions are raised. * sysdeps/libm-ieee754/e_log10.c: Likewise. * sysdeps/libm-ieee754/e_log10f.c: Likewise. * sysdeps/libm-ieee754/e_logf.c: Likewise. * sysdeps/libm-ieee754/s_log1p.c: Likewise. Also use correct -Inf. * sysdeps/libm-ieee754/s_log1pf.c: Likewise. Also use correct -Inf. * sysdeps/libm-ieee754/s_log2.c: Likewise. * sysdeps/libm-ieee754/s_log2f.c: Likewise. 1997-07-15 21:54 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-grp.c: Fix "buffer to small" problems and memory leaks. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/compat-spwd.c: Likewise. * nis/nss_nis/nis-alias.c: Likewise. * nis/nss_nis/nis-ethers.c: Likewise. * nis/nss_nis/nis-grp.c: Likewise. * nis/nss_nis/nis-hosts.c: Likewise. * nis/nss_nis/nis-network.c: Likewise. * nis/nss_nis/nis-proto.c: Likewise. * nis/nss_nis/nis-pwd.c: Likewise. * nis/nss_nis/nis-rpc.c: Likewise. * nis/nss_nis/nis-service.c: Likewise. * nis/nss_nis/nis-spwd.c: Likewise. * nis/nss_nisplus-alias.c: Likewise. * nis/nss_nisplus-ethers.c: Likewise. * nis/nss_nisplus-grp.c: Likewise. * nis/nss_nisplus-hosts.c: Likewise. * nis/nss_nisplus-netgrp.c: Likewise. * nis/nss_nisplus-network.c: Likewise. * nis/nss_nisplus-proto.c: Likewise. * nis/nss_nisplus-pwd.c: Likewise. * nis/nss_nisplus-rpc.c: Likewise. * nis/nss_nisplus-service.c: Likewise. * nis/nss_nisplus-spwd.c: Likewise. * nis/nss_nisplus-parse.c: If buffer to small, give -1 back. 1997-07-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/dl-machine.h (elf_machine_rela): Mention program name in warning message. * sysdeps/powerpc/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/sparc/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/sparc64/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_rel): Print program name first. 1997-07-20 19:33 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * libc.map: Add _null_auth and _seterr_reply. * sunrpc/clnt_udp.c (clntudp_call): If xargs is NULL, don't encode it.
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