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* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-064-4/+4
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* Update copyright dates with scripts/update-copyrightsPaul Eggert2022-01-014-4/+4
| | | | | | | | | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
* Add PTRACE_GET_RSEQ_CONFIGURATION from Linux 5.13 to sys/ptrace.hJoseph Myers2021-08-091-1/+6
| | | | | | | | | | | Linux 5.13 adds a PTRACE_GET_RSEQ_CONFIGURATION constant, with an associated ptrace_rseq_configuration structure. Add this constant to the various sys/ptrace.h headers in glibc, with the structure in bits/ptrace-shared.h (named struct __ptrace_rseq_configuration in glibc, as with other such structures). Tested for x86_64, and with build-many-glibcs.py.
* aarch64: Fix sys/ptrace.h if linux headers are includedSzabolcs Nagy2021-02-151-0/+34
| | | | | | If the linux asm/ptrace.h is included before sys/ptrace.h that breaks the newly added declarations there, so undef the names that may be defined as macros in the linux header.
* Add more ptrace constants for AArch64 and PowerPC.Joseph Myers2021-02-081-0/+16
| | | | | | | | | | | | Linux 5.10 adds PTRACE_PEEKMTETAGS and PTRACE_POKEMTETAGS for AArch64. Adding those shows up that glibc is also missing PTRACE_SYSEMU and PTRACE_SYSEMU_SINGLESTEP, for AArch64 (where they were added to Linux in 5.3) and for PowerPC (where they were added in Linux 4.20); it already has those two defines for x86. Add all those defines to glibc's headers. Tested with build-many-glibcs.py for aarch64-linux-gnu and powerpc-linux-gnu.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-024-4/+4
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* Update copyright dates with scripts/update-copyrights.Joseph Myers2020-01-014-4/+4
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* Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to sys/ptrace.h.Joseph Myers2019-10-141-1/+5
| | | | | | | | | | | | | Linux 5.3 adds a PTRACE_GET_SYSCALL_INFO constant, with an associated structure and PTRACE_SYSCALL_INFO_* constants. This patch adds these to sys/ptrace.h in glibc (PTRACE_GET_SYSCALL_INFO in each architecture version, the rest in bits/ptrace-shared.h). As with previous such constants and associated structures, the glibc version of the structure is named struct __ptrace_syscall_info. Tested for x86_64, and with build-many-glibcs.py.
* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-074-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
* Update copyright dates with scripts/update-copyrights.Joseph Myers2019-01-014-4/+4
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Unify some sys/procfs.h headers.Joseph Myers2018-09-251-123/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As per recent discussions, this patch unifies some of the sys/procfs.h headers for architectures using the Linux kernel, producing a generic version that can hopefully be used by all new architectures as well. The new generic version is based on the AArch64 one. The register definitions, the only part that generally needs to vary by architecture, go in a new bits/procfs.h header (which each architecture using the generic version needs to provide); that header also has any #includes that were in the architecture-specific sys/procfs.h, where those includes went beyond the generic set. The generic version is used for eight architectures where the generic definitions were the same as the architecture-specific ones. (Some of those architectures had #if 0 fields, now removed; some defined types or fields using different type names which were typedefs for the same underlying types.) Six of the remaining architectures with their own sys/procfs.h use unsigned short for pr_uid / pr_gid in some cases; moving those to the generic header will require a bits/ header to define a typedef for the type of those fields. In the case of alpha, the generic sys/procfs.h uses elf_gregset_t (= unsigned long int[33]) to define prgregset_t and elf_fpregset_t (= double[32]) to define prfpregset_t, but the alpha version uses gregset_t (= long int[33]) and fpregset_t (= long int[32]), so avoiding unnecessarily changing the underlying types (and thus C++ name mangling) again means a bits/ header will need to be able to define a different choice for those typedefs. bits/procfs.h is included outside the __BEGIN_DECLS / __END_DECLS pair (whereas the definitions it contains were previously inside that pair in various sys/procfs.h headers), because it sometimes includes other headers and putting those other #includes inside that pair seems risky. Because none of the declarations in bits/procfs.h are of functions or variables or involve function types, I don't think it makes any difference whether they are inside or outside an extern "C" context. Tested with build-many-glibcs.py (again, that does not provide much validation for the correctness of this patch). * sysdeps/unix/sysv/linux/sys/procfs.h: Replace with file based on AArch64 version. Include <bits/procfs.h>. * sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc] (sysdep_headers): Add bits/procfs.h. * sysdeps/unix/sysv/linux/bits/procfs.h: New file. * sysdeps/unix/sysv/linux/aarch64/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/hppa/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/nios2/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/riscv/bits/procfs.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/procfs.h: Remove file. * sysdeps/unix/sysv/linux/hppa/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/microblaze/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/nios2/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/procfs.h: Likewise. * sysdeps/unix/sysv/linux/riscv/sys/procfs.h: Likewise.
* Add PTRACE_SECCOMP_GET_METADATA from Linux 4.16 to sys/ptrace.h.Joseph Myers2018-04-241-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the PTRACE_SECCOMP_GET_METADATA constant from Linux 4.16 to all relevant sys/ptrace.h files. A type struct __ptrace_seccomp_metadata, analogous to other such types, is also added. Tested for x86_64, and with build-many-glibcs.py. * sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): New enum value and macro. * sysdeps/unix/sysv/linux/bits/ptrace-shared.h (struct __ptrace_seccomp_metadata): New type. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/arm/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise. * sysdeps/unix/sysv/linux/x86/sys/ptrace.h (PTRACE_SECCOMP_GET_METADATA): Likewise.
* linux/aarch64: sync sys/ptrace.h with Linux 4.15 [BZ #22433]Dmitry V. Levin2018-02-101-8/+0
| | | | | | | | | | | Remove compat-specific constants that were never exported by kernel headers under these names. Before linux commit v3.7-rc1~16^2~1 they were exported with COMPAT_ prefix, and since that commit they are not exported at all. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_request): Remove arm-specific PTRACE_GET_THREAD_AREA, PTRACE_GETHBPREGS, and PTRACE_SETHBPREGS.
* aarch64: Revert the change of the __reserved member of mcontext_tSzabolcs Nagy2018-01-241-1/+5
| | | | | | | | | | | | | | | | | | | | | | The uc_mcontext.__reserved member of ucontext_t is a user visible API, that should not be changed, because this is the only way to access cpu states of various extensions of linux asm/sigcontext.h, it does not violate namespace rules either, so revert this part of the commit commit 4fa9b3bfe6759c82beb4b043a54a3598ca467289 Commit: Joseph Myers <joseph@codesourcery.com> Fix mcontext_t sigcontext namespace (bug 21457). (In principle the user can type cast &uc_mcontext to struct sigcontext* to use the linux sigcontext fields, but that's not the existing practice since mcontext_t used to be a typedef of struct sigcontext.) [BZ #22742] * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h (__glibc_reserved1): Rename to __reserved and add comment. * sysdeps/unix/sysv/linux/aarch64/ucontext_i.sym (__glibc_reserved1): Rename to __reserved.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2018-01-015-5/+5
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* linux: update sys/ptrace.h commentsDmitry V. Levin2017-12-291-2/+6
| | | | | | | | | | | | | * sysdeps/unix/sysv/linux/sys/ptrace.h (__ptrace_request): Add comments about PTRACE_PEEKSIGINFO, PTRACE_GETSIGMASK, PTRACE_SETSIGMASK, and PTRACE_SECCOMP_GET_FILTER. Update comments about PTRACE_SINGLESTEP and PTRACE_SYSCALL. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h: Likewise.
* linux: move a shared part of sys/ptrace.h to bits/ptrace-shared.hDmitry V. Levin2017-12-291-55/+2
| | | | | | | | | | | | | | | | | | | | | Move a shared part of sys/ptrace.h which is the same on all architectures to a separate file. * sysdeps/unix/sysv/linux/sys/ptrace.h: Include <bits/ptrace-shared.h>. (__ptrace_setoptions, __ptrace_eventcodes, __ptrace_peeksiginfo_args, __ptrace_peeksiginfo_flags, ptrace): Move to ... * sysdeps/unix/sysv/linux/bits/ptrace-shared.h: ... new file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add bits/ptrace-shared.h. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h: Include <bits/ptrace-shared.h>. (__ptrace_setoptions, __ptrace_eventcodes, __ptrace_peeksiginfo_args, __ptrace_peeksiginfo_flags, ptrace): Remove. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h: Likewise.
* Fix mcontext_t sigcontext namespace (bug 21457).Joseph Myers2017-08-301-8/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch completes the ucontext.h namespace fixes by fixing issues related to the use of struct sigcontext as mcontext_t, and inclusion of <bits/sigcontext.h> even when struct sigcontext is not so used. Inclusion of <bits/sigcontext.h> by <sys/ucontext.h> is removed; the way to get the sigcontext structure is by including <signal.h> (in a context where __USE_MISC is defined); the sysdeps/generic version of sys/ucontext.h keeps the inclusion by necessity, with a comment about how this is not namespace-clean, but the only configuration that used it, MicroBlaze, gets its own version of the header in this patch. Where mcontext_t was typedefed to struct sigcontext, the contents of struct sigcontext are inserted (with appropriate namespace handling to prefix fields with __ when __USE_MISC is not defined); review should check that this has been done correctly in each case, whether the definition of struct sigcontext comes from glibc headers or from the Linux kernel. This changes C++ name mangling on affected architectures (which do not include x86_64/x86). Tested for x86_64, and with build-many-glibcs.py. 2017-08-14 Joseph Myers <joseph@codesourcery.com> [BZ #21457] * sysdeps/arm/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/generic/sys/ucontext.h: Add comment about use of struct sigcontext and namespace requirements. * sysdeps/i386/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/m68k/sys/ucontext.h: Likewise. * sysdeps/mips/sys/ucontext.h: Likewise. Include <bits/types.h>. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): Define earlier. (mcontext_t): Define structure contents rather than using struct sigcontext. * sysdeps/unix/sysv/linux/aarch64/ucontext_i.sym (oEXTENSION): Use __glibc_reserved1 instead of __reserved. * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): Define earlier. (mcontext_t): Define structure contents rather than using struct sigcontext. * sysdeps/unix/sysv/linux/alpha/ucontext-offsets.sym: Use mcontext_t instead of struct sigcontext. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): Define earlier. (mcontext_t): Define structure contents rather than using struct sigcontext. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): Define earlier. (mcontext_t): Define structure contents rather than using struct sigcontext. * sysdeps/unix/sysv/linux/ia64/makecontext.c (__makecontext): Use mcontext_t instead of struct sigcontext. * sysdeps/unix/sysv/linux/ia64/sigcontext-offsets.sym: Use mcontext_t instead of struct sigcontext. * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): New macro. (struct __ia64_fpreg_mcontext): New type. (mcontext_t): Define structure contents rather than using struct sigcontext. (_SC_GR0_OFFSET): Use mcontext_t instead of struct sigcontext. (uc_sigmask): Define using __ctx. (uc_stack): Likewise. * sysdeps/unix/sysv/linux/ia64/sys/procfs.h: Include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/microblaze/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Do not include <bits/sigcontext.h>. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Do not include <bits/sigcontext.h>. (__ctx): Define earlier. (mcontext_t): Define structure contents rather than using struct sigcontext. * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Do not include <bits/sigcontext.h>. Include <bits/types.h>. * conform/Makefile (test-xfail-XPG42/signal.h/conform): Remove. (test-xfail-XPG42/sys/wait.h/conform): Likewise. (test-xfail-XPG42/ucontext.h/conform): Likewise. (test-xfail-UNIX98/signal.h/conform): Likewise. (test-xfail-UNIX98/sys/wait.h/conform): Likewise. (test-xfail-UNIX98/ucontext.h/conform): Likewise. (test-xfail-XOPEN2K/signal.h/conform): Likewise. (test-xfail-XOPEN2K/sys/wait.h/conform): Likewise. (test-xfail-XOPEN2K/ucontext.h/conform): Likewise. (test-xfail-POSIX2008/signal.h/conform): Likewise. (test-xfail-POSIX2008/sys/wait.h/conform): Likewise. (test-xfail-XOPEN2K8/signal.h/conform): Likewise. (test-xfail-XOPEN2K8/sys/wait.h/conform): Likewise.
* [AArch64] Fix procfs.h not to expose stdint.h typesSzabolcs Nagy2017-08-291-2/+1
| | | | | | | Commit 39e7a5a66828a60008543db5f03f46dc7081668b added stdint.h to sys/procfs.h, but it is included into signal.h by default and there is code that does not expect stdint.h to be visible there, so use __uint64_t instead of uint64_t.
* [AArch64] Fix elf_greg_t on ILP32Szabolcs Nagy2017-08-251-1/+2
| | | | Use uint64_t instead of unsigned long.
* aarch64/sys/ptrace.h: fix typo in commentDmitry V. Levin2017-08-101-1/+1
| | | | | * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (enum __ptrace_request): Fix typo in comment.
* sys/ptrace.h: remove obsolete Linux PTRACE_SEIZE_DEVEL constant [BZ #21928]Dmitry V. Levin2017-08-091-6/+0
| | | | | | | | | | | | | | | | | | | Remove enum __ptrace_flags along with the only constant it contains, PTRACE_SEIZE_DEVEL, from Linux's sys/ptrace.h files. This temporary development constant shouldn't have been added to sys/ptrace.h in the first place. It was introduced in Linux by commit v3.1-rc1~308^2~28 as a temporary part of new experimental PTRACE_SEIZE interface. Later, as PTRACE_SEIZE stabilized and lost its experimental status, this flag was removed from Linux by commit v3.4-rc1~109^2~20. * sysdeps/unix/sysv/linux/sys/ptrace.h (enum __ptrace_flags, PTRACE_SEIZE_DEVEL): Remove. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise.
* Fix uc_* namespace (bug 21457).Joseph Myers2017-08-091-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The standard members of ucontext_t, in all standard versions with that type, are uc_link, uc_sigmask, uc_stack and uc_mcontext. The uc_* namespace is mostly reserved for additions to the structure. However, in XPG4.2, it's only reserved when <ucontext.h> is included, not when <signal.h> is included, while <signal.h> is required to define ucontext_t (but not allowed to make visible other symbols from <ucontext.h>). Thus, nonstandard members should avoid uc_* names. Some already do use __uc_*, but others don't; most architectures (all except ia64, I think) have a member uc_flags and some have additional members beyond that. This patch makes nonstandard members have an __ prefix unless __USE_MISC is defined. Members whose names indicate they are solely padding / reserved for future use are renamed unconditionally to use the __glibc_reserved1 naming convention. This is part of the preparation for a revised version of the mcontext_t / sigcontext patch to be able to eliminate all 13 of the miscellaneous XFAILs in conform/Makefile, rather than only 11 of them as at present (at least one further fix on top of this one will be needed for that as well). Tested for x86_64, and with build-many-glibcs.py. [BZ #21457] * sysdeps/arm/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. Rename uc_filler to __glibc_reserved1. * sysdeps/generic/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags. * sysdeps/i386/sys/ucontext.h (__ctx): Move undefine further down. (__ctxt): Likewise. (ucontext_t): Use __ctx with uc_flags. Rename uc_filler to __glibc_reserved1. * sysdeps/m68k/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. Rename uc_filler to __glibc_reserved1. * sysdeps/mips/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. Rename uc_filler to __glibc_reserved1. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags and uc_regspace. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. Rename uc_filler to __glibc_reserved1. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h (ucontext_t): Use __ctx with uc_flags, uc_regs_ptr, uc_regs and uc_reg_space. Rename uc_pad to __glibc_reserved1. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h (__ctx): Move undefine further down. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h (__ctx): New macro. (ucontext_t): Use __ctx with uc_flags. * sysdeps/unix/sysv/linux/x86/sys/ucontext.h (ucontext_t): Use __ctx with uc_flags.
* Rename struct ucontext tag (bug 21457).Joseph Myers2017-06-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ucontext_t type has a tag struct ucontext. As with previous such issues for siginfo_t and stack_t, this tag is not permitted by POSIX (is not in a reserved namespace), and so namespace conformance means breaking C++ name mangling for this type. In this case, the type does need to have some tag rather than just a typedef name, because it includes a pointer to itself. This patch uses struct ucontext_t as the new tag, so the type is mangled as ucontext_t (the POSIX *_t reservation applies in all namespaces, not just the namespace of ordinary identifiers). Another reserved name such as struct __ucontext could of course be used. Because of other namespace issues, this patch does not by itself fix bug 21457 or allow any XFAILs to be removed. Tested for x86_64, and with build-many-glibcs.py. [BZ #21457] * sysdeps/arm/sys/ucontext.h (struct ucontext): Rename to struct ucontext_t. * sysdeps/generic/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/i386/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/m68k/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/mips/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/unix/sysv/linux/x86/sys/ucontext.h (struct ucontext): Likewise. * sysdeps/powerpc/powerpc32/backtrace.c (struct rt_signal_frame_32): Likewise. * sysdeps/powerpc/powerpc64/backtrace.c (struct signal_frame_64): Likewise. * sysdeps/unix/sysv/linux/aarch64/kernel_rt_sigframe.h (struct kernel_rt_sigframe): Likewise. * sysdeps/unix/sysv/linux/aarch64/sigcontextinfo.h (SIGCONTEXT): Likewise. * sysdeps/unix/sysv/linux/arm/register-dump.h (register_dump): Likewise. * sysdeps/unix/sysv/linux/arm/sigcontextinfo.h (SIGCONTEXT): Likewise. * sysdeps/unix/sysv/linux/hppa/profil-counter.h (__profil_counter): Likewise. * sysdeps/unix/sysv/linux/microblaze/sigcontextinfo.h (SIGCONTEXT): Likewise. * sysdeps/unix/sysv/linux/mips/kernel_rt_sigframe.h (struct kernel_rt_sigframe): Likewise. * sysdeps/unix/sysv/linux/nios2/kernel_rt_sigframe.h (struct kernel_rt_sigframe): Likewise. * sysdeps/unix/sysv/linux/nios2/sigcontextinfo.h (SIGCONTEXT): Likewise. * sysdeps/unix/sysv/linux/sh/makecontext.S (__makecontext): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c (__start_context): Likewise. * sysdeps/unix/sysv/linux/tile/sigcontextinfo.h (SIGCONTEXT): Likewise. * sysdeps/unix/sysv/linux/x86_64/register-dump.h (register_dump): Likewise. * sysdeps/unix/sysv/linux/x86_64/sigcontextinfo.h (SIGCONTEXT): Likewise.
* Fix sys/ucontext.h namespace from signal.h etc. inclusion (bug 21457).Joseph Myers2017-05-231-8/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The various sys/ucontext.h headers include <signal.h> and all the headers split out of <bits/sigstack.h>. (Except that the powerpc version does not include <signal.h>.) None of the standard versions defining ucontext.h require or permit such inclusions; rather, they all say that the stack_t and sigset_t types from signal.h are defined. This patch fixes the headers to include just the bits/ headers for those types (and the existing includes of bits/sigcontext.h). Since bits/types/sigset_t.h is now being included instead of bits/types/__sigset_t.h, __sigset_t uses in the headers are replaced by direct use of the public sigset_t type. sysdeps/unix/sysv/linux/x86/bits/sigcontext.h was relying on the prior inclusion of <signal.h> to define types such as __uint32_t, so gets a bits/types.h include added to provide those types. Although one could keep some or all of the includes under a __USE_MISC conditional, that seems unnecessary to me, especially given the lack of a <signal.h> include in the powerpc version meaning that portable programs already cannot rely on such an include. Tested for x86_64 and x86, and with build-many-glibcs.py. As with other such fixes, more namespace issues remain so this does not permit any XFAILs to be removed or bugs to be closed. [BZ #21457] * sysdeps/arm/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/generic/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/i386/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/m68k/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/mips/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h>. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Do not include <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t. * sysdeps/unix/sysv/linux/x86/bits/sigcontext.h: Include <bits/types.h>. * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Do not include <signal.h>, <bits/sigstack.h>, <bits/types/struct_sigstack.h> or <bits/ss_flags.h>. Include <bits/types/sigset_t.h> instead of <bits/types/__sigset_t.h>. (ucontext_t): Use sigset_t instead of __sigset_t.
* Remove __need macros from signal.h.Zack Weinberg2017-05-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The types affected are __sig_atomic_t, sig_atomic_t, __sigset_t, sigset_t, sigval_t, sigevent_t, and siginfo_t. __sig_atomic_t is a scalar, so it's now directly available from bits/types.h. The others get bits/types/ headers. Side effects include: There have been small changes to which non-signal headers expose which subset of the signal-related types. A couple of architectures' nested siginfo_t fields had to be renamed to prevent undesired macro expansion. Internal code that wants to manipulate signal masks must now include <sigsetops.h> (which is not installed) and should be aware that __sigaddset, __sigandset, __sigdelset, __sigemptyset, and __sigorset no longer return a value (unlike the public API). Relatedly, the public signal.h no longer declares any of those functions. The obsolete sigmask() macro no longer has a system-specific definition -- in the cases where it matters, it didn't work anyway. New Linux architectures should create bits/siginfo-arch.h and/or bits/siginfo-consts-arch.h to customize their siginfo_t, rather than duplicating everything in bits/siginfo.h (which no longer exists). Add new __SI_* macros if necessary. Ports to other operating systems are strongly encouraged to generalize this scheme further. * bits/sigevent-consts.h * bits/siginfo-consts.h * bits/types/__sigset_t.h * bits/types/sigevent_t.h * bits/types/siginfo_t.h * sysdeps/unix/sysv/linux/bits/sigevent-consts.h * sysdeps/unix/sysv/linux/bits/siginfo-consts.h * sysdeps/unix/sysv/linux/bits/types/__sigset_t.h * sysdeps/unix/sysv/linux/bits/types/sigevent_t.h * sysdeps/unix/sysv/linux/bits/types/siginfo_t.h: New system-dependent bits headers. * sysdeps/unix/sysv/linux/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/mips/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/sparc/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/tile/bits/siginfo-arch.h * sysdeps/unix/sysv/linux/tile/bits/siginfo-consts-arch.h * sysdeps/unix/sysv/linux/x86/bits/siginfo-arch.h: New Linux-only system-dependent bits headers. * signal/bits/types/sig_atomic_t.h * signal/bits/types/sigset_t.h * signal/bits/types/sigval_t.h: New non-system-dependent bits headers. * sysdeps/generic/sigsetops.h * sysdeps/unix/sysv/linux/sigsetops.h: New internal headers. * include/bits/types/sig_atomic_t.h * include/bits/types/sigset_t.h * include/bits/types/sigval_t.h: New wrappers. * signal/sigsetops.h * bits/siginfo.h * bits/sigset.h * sysdeps/unix/sysv/linux/bits/siginfo.h * sysdeps/unix/sysv/linux/bits/sigset.h * sysdeps/unix/sysv/linux/ia64/bits/siginfo.h * sysdeps/unix/sysv/linux/mips/bits/siginfo.h * sysdeps/unix/sysv/linux/s390/bits/siginfo.h * sysdeps/unix/sysv/linux/sparc/bits/siginfo.h * sysdeps/unix/sysv/linux/tile/bits/siginfo.h * sysdeps/unix/sysv/linux/x86/bits/siginfo.h: Deleted. * signal/Makefile, sysdeps/unix/sysv/linux/Makefile: Update lists of installed headers. * posix/bits/types.h: Define __sig_atomic_t here. * signal/signal.h: Use the new bits headers; no need to handle __need_sig_atomic_t nor __need_sigset_t. Don't use __sigmask to define sigmask. * include/signal.h: No need to handle __need_sig_atomic_t nor __need_sigset_t. Don't define __sigemptyset. * io/sys/poll.h, setjmp/setjmp.h * sysdeps/arm/sys/ucontext.h, sysdeps/generic/sys/ucontext.h * sysdeps/i386/sys/ucontext.h, sysdeps/m68k/sys/ucontext.h * sysdeps/mach/hurd/i386/bits/sigcontext.h * sysdeps/mips/sys/ucontext.h, sysdeps/powerpc/novmxsetjmp.h * sysdeps/pthread/bits/sigthread.h * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h * sysdeps/unix/sysv/linux/mips/sys/ucontext.h * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h * sysdeps/unix/sysv/linux/s390/sys/ucontext.h * sysdeps/unix/sysv/linux/sh/sys/ucontext.h * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h * sysdeps/unix/sysv/linux/tile/sys/ucontext.h * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Use bits/types/__sigset_t.h. * misc/sys/select.h, posix/spawn.h * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h * sysdeps/unix/sysv/linux/sys/epoll.h * sysdeps/unix/sysv/linux/sys/signalfd.h: Use bits/types/sigset_t.h. * resolv/netdb.h, rt/mqueue.h: Use bits/types/sigevent_t.h. * rt/aio.h: Use bits/types/sigevent_t.h and bits/sigevent-consts.h. * socket/sys/socket.h: Don't include bits/sigset.h. * login/utmp_file.c, shadow/lckpwdf.c, signal/sigandset.c * signal/sigisempty.c, stdlib/abort.c, sysdeps/posix/profil.c * sysdeps/posix/sigignore.c, sysdeps/posix/sigintr.c * sysdeps/posix/signal.c, sysdeps/posix/sigset.c * sysdeps/posix/sprofil.c, sysdeps/posix/sysv_signal.c * sysdeps/unix/sysv/linux/nptl-signals.h: Include sigsetops.h. * signal/sigaddset.c, signal/sigandset.c, signal/sigdelset.c * signal/sigorset.c, stdlib/abort.c, sysdeps/posix/sigignore.c * sysdeps/posix/signal.c, sysdeps/posix/sigset.c: __sigaddset, __sigandset, __sigdelset, __sigemptyset, __sigorset now return no value. * signal/sigaddset.c, signal/sigdelset.c, signal/sigismem.c Include <errno.h>, <signal.h>, and <sigsetops.h> instead of "sigsetops.h". * signal/sigsetops.c: Explicitly define __sigismember, __sigaddset, and __sigdelset as compatibility symbols. * signal/Versions: Correct commentary on __sigpause, __sigaddset, __sigdelset, __sigismember. * inet/rcmd.c: Include sigsetops.h. Convert old code using __sigblock/__sigsetmask to use __sigprocmask and friends.
* Split up bits/sigstack.h.Joseph Myers2017-05-191-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bits/sigstack.h contains four things: the legacy struct sigstack type, the preferred stack_t type, the SS_* enum values and macros for signal stack sizes. These vary in different ways between glibc configurations; in particular, the stack sizes vary much more than any of the other pieces. Furthermore, these pieces have different standard namespace rules for when they should be visible (not currently visible in conform/ results both because the relevant tests are XFAILed for sys/ucontext.h namespace issues, and because some of the expectations are incorrect in the same way as the headers, e.g. neither expectations nor headers reflect that current POSIX no longer has either the sigstack function or the sigstack structure). To reduce duplication of identical definitions, and facilitate namespace fixes without requiring the same feature test macro conditions to be repeated in many versions of the same header, this patch splits bits/sigstack.h up into four headers. It keeps the stack size macros, while new bits/types/struct_sigstack.h, bits/types/stack_t.h and bits/ss_flags.h are added for the other pieces. bits/types/struct_sigstack.h is the same everywhere, bits/types/stack_t.h has three variants different in the order of the structure elements (generic = MIPS Linux, and other Linux), and bits/ss_flags.h has generic and Linux variants. This patch includes the new headers everywhere that included <bits/sigstack.h>, so should cause no difference to what any public header defines. Subsequent namespace fixes would then remove or condition some of those includes. There should be no conflicts with Zack's changes to signal.h types, beyond the trivial conflict of both making additions to signal/Makefile's headers list; the two patches affect disjoint sets of types and other definitions. Tested for x86_64 and x86, and with build-many-glibcs.py. * bits/ss_flags.h: New file. * bits/types/stack_t.h: Likewise. * include/bits/types/struct_sigstack.h: Likewise. * signal/bits/types/struct_sigstack.h: Likewise. * sysdeps/unix/sysv/linux/bits/ss_flags.h: Likewise. * sysdeps/unix/sysv/linux/bits/types/stack_t.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/types/stack_t.h: Likewise. * signal/Makefile (headers): Add bits/types/struct_sigstack.h, bits/types/stack_t.h and bits/ss_flags.h. * signal/signal.h [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8]: Include <bits/types/struct_sigstack.h>, <bits/types/stack_t.h> and <bits/ss_flags.h>. * bits/sigstack.h (struct sigstack): Remove. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/alpha/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigstack.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sigstack.h (struct sigstack): Likewise. (stack_t): Likewise. (SS_ONSTACK): Likewise. (SS_DISABLE): Likewise. * sysdeps/arm/sys/ucontext.h: Include <bits/types/struct_sigstack.h>, <bits/types/stack_t.h> and <bits/ss_flags.h>. * sysdeps/generic/sys/ucontext.h: Likewise. * sysdeps/i386/sys/ucontext.h: Likewise. * sysdeps/m68k/sys/ucontext.h: Likewise. * sysdeps/mips/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h: Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/mips/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Likewise. * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Likewise.
* Condition some sys/ucontext.h contents on __USE_MISC (bug 21457).Joseph Myers2017-05-111-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Continuing the fixes for namespace issues arising from sys/ucontext.h, this patch conditions various definitions, that are not needed for defining mcontext_t / ucontext_t, on __USE_MISC, so they do not appear in strict POSIX modes. This patch is non-exhaustive; that is, it only conditions straightforward cases and there may be more such definitions that can be conditioned for these and other architectures, to be dealt with later in separate patches. Also, using __USE_MISC is the minimum change for these definitions where they conflict with POSIX; some headers already have __USE_GNU conditionals on similar definitions of names for registers. The patch specifically does not do anything with definitions in bits/sigcontext.h, and nor does it condition any inclusions of bits/sigcontext.h even where in fact that is not needed on some architectures for the definitions of mcontext_t / ucontext_t. As other namespace issues in these headers remain, this patch does not fix bug 21457, nor allow any XFAILs to be removed. Tested with build-many-glibcs.py. [BZ #21457] * sysdeps/arm/sys/ucontext.h (R0): Condition on [__USE_MISC]. (R1): Likewise. (R2): Likewise. (R3): Likewise. (R4): Likewise. (R5): Likewise. (R6): Likewise. (R7): Likewise. (R8): Likewise. (R9): Likewise. (R10): Likewise. (R11): Likewise. (R12): Likewise. (R13): Likewise. (R14): Likewise. (R15): Likewise. * sysdeps/i386/sys/ucontext.h (REG_GS): Likewise. (REG_FS): Likewise. (REG_ES): Likewise. (REG_DS): Likewise. (REG_EDI): Likewise. (REG_ESI): Likewise. (REG_EBP): Likewise. (REG_ESP): Likewise. (REG_EBX): Likewise. (REG_EDX): Likewise. (REG_ECX): Likewise. (REG_EAX): Likewise. (REG_TRAPNO): Likewise. (REG_ERR): Likewise. (REG_EIP): Likewise. (REG_CS): Likewise. (REG_EFL): Likewise. (REG_UESP): Likewise. (REG_SS): Likewise. * sysdeps/m68k/sys/ucontext.h (R_D0): Likewise. (R_D1): Likewise. (R_D2): Likewise. (R_D3): Likewise. (R_D4): Likewise. (R_D5): Likewise. (R_D6): Likewise. (R_D7): Likewise. (R_A0): Likewise. (R_A1): Likewise. (R_A2): Likewise. (R_A3): Likewise. (R_A4): Likewise. (R_A5): Likewise. (R_A6): Likewise. (R_A7): Likewise. (R_SP): Likewise. (R_PC): Likewise. (R_PS): Likewise. (fpregset_t): Likewise. (MCONTEXT_VERSION): Likewise. * sysdeps/mips/sys/ucontext.h (CTX_R0): Likewise. (CTX_AT): Likewise. (CTX_V0): Likewise. (CTX_V1): Likewise. (CTX_A0): Likewise. (CTX_A1): Likewise. (CTX_A2): Likewise. (CTX_A3): Likewise. (CTX_T0): Likewise. (CTX_T1): Likewise. (CTX_T2): Likewise. (CTX_T3): Likewise. (CTX_T4): Likewise. (CTX_T5): Likewise. (CTX_T6): Likewise. (CTX_T7): Likewise. (CTX_S0): Likewise. (CTX_S1): Likewise. (CTX_S2): Likewise. (CTX_S3): Likewise. (CTX_S4): Likewise. (CTX_S5): Likewise. (CTX_S6): Likewise. (CTX_S7): Likewise. (CTX_T8): Likewise. (CTX_T9): Likewise. (CTX_K0): Likewise. (CTX_K1): Likewise. (CTX_GP): Likewise. (CTX_SP): Likewise. (CTX_S8): Likewise. (CTX_RA): Likewise. (CTX_MDLO): Likewise. (CTX_MDHI): Likewise. (CTX_CAUSE): Likewise. (CTX_EPC): Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h: Condition inclusion of <sys/procfs.h> on [__USE_MISC]. (greg_t): Condition on [__USE_MISC]. (gregset_t): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/arm/sys/ucontext.h (greg_t): Likewise. (NGREG): Likewise. (gregset_t): Likewise. (REG_R0): Likewise. (REG_R1): Likewise. (REG_R2): Likewise. (REG_R3): Likewise. (REG_R4): Likewise. (REG_R5): Likewise. (REG_R6): Likewise. (REG_R7): Likewise. (REG_R8): Likewise. (REG_R9): Likewise. (REG_R10): Likewise. (REG_R11): Likewise. (REG_R12): Likewise. (REG_R13): Likewise. (REG_R14): Likewise. (REG_R15): Likewise. (struct _libc_fpstate): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h (NGREG): Likewise. (NFPREG): Likewise. (gregset_t): Likewise. (fpregset_t): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (R_D0): Likewise. (R_D1): Likewise. (R_D2): Likewise. (R_D3): Likewise. (R_D4): Likewise. (R_D5): Likewise. (R_D6): Likewise. (R_D7): Likewise. (R_A0): Likewise. (R_A1): Likewise. (R_A2): Likewise. (R_A3): Likewise. (R_A4): Likewise. (R_A5): Likewise. (R_A6): Likewise. (R_A7): Likewise. (R_SP): Likewise. (R_PC): Likewise. (R_PS): Likewise. (fpregset_t): Likewise. (MCONTEXT_VERSION): Likewise. * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h (MCONTEXT_VERSION): Likewise. * sysdeps/unix/sysv/linux/sh/sys/ucontext.h (REG_R0): Likewise. (REG_R1): Likewise. (REG_R2): Likewise. (REG_R3): Likewise. (REG_R4): Likewise. (REG_R5): Likewise. (REG_R6): Likewise. (REG_R7): Likewise. (REG_R8): Likewise. (REG_R9): Likewise. (REG_R10): Likewise. (REG_R11): Likewise. (REG_R12): Likewise. (REG_R13): Likewise. (REG_R14): Likewise. (REG_R15): Likewise. * sysdeps/unix/sysv/linux/tile/sys/ucontext.h: Condition inclusion of <arch/abi.h> on [__USE_MISC]. (greg_t): Condition on [__USE_MISC]. (NGREG): Likewise. (gregset_t): Likewise.
* Add Linux PTRACE_EVENT_STOPKir Kolyshkin2017-02-081-2/+4
| | | | | | | | | | | | | | | | | | | | | | | Add PTRACE_EVENT_STOP value to Linux's sys/ptrace.h, modify related comments accordingly. This constant initially appeared in Linux 3.1 (kernel commit 3544d72a, "ptrace: implement PTRACE_SEIZE") but its value has changed later in Linux 3.4 (kernel commit 5cdf389a, "ptrace: renumber PTRACE_EVENT_STOP so that future new options and events can match"). The comment is also taken from the above commit. This constant is used by e.g. strace, CRIU, Mozilla RR. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_eventcodes): Add PTRACE_EVENT_STOP. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/sys/ptrace.h: Likewise. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h: Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-015-5/+5
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* Installed-header hygiene (BZ#20366): stack_t.Zack Weinberg2016-09-231-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sys/ucontext.h unconditionally uses stack_t, and it does not make sense to change that. But signal.h only declares stack_t under __USE_XOPEN_EXTENDED || __USE_XOPEN2K8. The actual definition is already in a bits header, bits/sigstack.h, but that header insists on only being included by signal.h, so we have to change that as well as all of the sys/ucontext.h variants. (Some but not all variants of bits/sigcontext.h, which sys/ucontext.h may also need, had already received this adjustment; for consistency, I made them all the same, even if that's not strictly necessary in some configurations.) bits/sigcontext.h and bits/sigstack.h also all need to receive multiple inclusion guards. * sysdeps/generic/sys/ucontext.h * sysdeps/arm/sys/ucontext.h * sysdeps/i386/sys/ucontext.h * sysdeps/m68k/sys/ucontext.h * sysdeps/mips/sys/ucontext.h * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h * sysdeps/unix/sysv/linux/alpha/sys/ucontext.h * sysdeps/unix/sysv/linux/arm/sys/ucontext.h * sysdeps/unix/sysv/linux/hppa/sys/ucontext.h * sysdeps/unix/sysv/linux/ia64/sys/ucontext.h * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h * sysdeps/unix/sysv/linux/mips/sys/ucontext.h * sysdeps/unix/sysv/linux/nios2/sys/ucontext.h * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h * sysdeps/unix/sysv/linux/s390/sys/ucontext.h * sysdeps/unix/sysv/linux/sh/sys/ucontext.h * sysdeps/unix/sysv/linux/sparc/sys/ucontext.h * sysdeps/unix/sysv/linux/tile/sys/ucontext.h * sysdeps/unix/sysv/linux/x86/sys/ucontext.h: Include both bits/sigcontext.h and bits/sigstack.h. Fix grammar error in comment, if present. * bits/sigstack.h * sysdeps/unix/sysv/linux/aarch64/bits/sigstack.h * sysdeps/unix/sysv/linux/alpha/bits/sigstack.h * sysdeps/unix/sysv/linux/bits/sigstack.h * sysdeps/unix/sysv/linux/ia64/bits/sigstack.h * sysdeps/unix/sysv/linux/mips/bits/sigstack.h * sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h * sysdeps/unix/sysv/linux/sparc/bits/sigstack.h * bits/sigcontext.h * sysdeps/mach/hurd/i386/bits/sigcontext.h * sysdeps/unix/sysv/linux/bits/sigcontext.h * sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h * sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h: Add multiple inclusion guard. Permit inclusion by sys/ucontext.h as well as signal.h, if this was not already allowed. Request definition of size_t if necessary. Minimize semantically-null differences across files.
* Add new header definitions from Linux 4.4 (plus older ptrace definitions).Joseph Myers2016-01-121-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds some new header definitions from Linux 4.4: * MCL_ONFAULT is added to bits/mman.h / bits/mman-linux.h (this was already done for hppa). * PTRACE_SECCOMP_GET_FILTER is added to sys/ptrace.h. Along with it, the older PTRACE_GETSIGMASK and PTRACE_SETSIGMASK, added in Linux 3.11 but missed at the time, are also added. Tested for x86_64 and x86 (testsuite, and that installed stripped shared libraries are unchanged by the patch). * bits/mman-linux.h [!MCL_CURRENT] (MCL_ONFAULT): New macro. * sysdeps/unix/sysv/linux/alpha/bits/mman.h (MCL_ONFAULT): Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h (MCL_ONFAULT): Likewise. * sysdeps/unix/sysv/linux/sparc/bits/mman.h (MCL_ONFAULT): Likewise. * sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_GETSIGMASK): New enum constant and macro. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_GETSIGMASK): Likewise. (PTRACE_SETSIGMASK): Likewise. (PTRACE_SECCOMP_GET_FILTER): Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-045-5/+5
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* Update <sys/ptrace.h> for Linux 4.3.Joseph Myers2015-11-231-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates <sys/ptrace.h> for Linux 4.3, adding PTRACE_O_SUSPEND_SECCOMP and updating the value of PTRACE_O_MASK. Some architectures were missing the older PTRACE_O_EXITKILL, so that was added to the files missing it as well. Tested for x86_64 (testsuite, and that installed shared libraries are unchanged by the patch). * sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/ia64/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/sparc/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/sys/ptrace.h (PTRACE_O_SUSPEND_SECCOMP): New value in enum __ptrace_setoptions. (PTRACE_O_MASK): Update value. * sysdeps/unix/sysv/linux/tile/sys/ptrace.h (PTRACE_O_EXITKILL): New value in enum __ptrace_setoptions. (PTRACE_O_SUSPEND_SECCOMP): Likewise. (PTRACE_O_MASK): Update value.
* [AArch64][BZ 18648] change greg_t definition in ucontext.hSzabolcs Nagy2015-07-091-1/+1
| | | | | | | | | | | | | | | | | | | | This is an ABI breaking change, but typedef int greg_t; is not a useful definition on aarch64. greg_t is usually used for defining gregset_t which is used in mcontext_t. The general registers in mcontext_t can only be accessed by target specific code and on aarch64 greg_t is not needed for that so this change is not supposed to break existing code, just fix the definition. [BZ #18648] * sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h (greg_t): Change the definition to elf_greg_t. (Added another BZ entry that was missed in the previous commit).
* [AArch64][BZ 18400] fix elf_prpsinfo in procfs.hSzabolcs Nagy2015-07-091-2/+2
| | | | | | | | | | | | | Kernel uses int pr_uid, pr_gid, but glibc used unsigned short. This is an ABI breaking change, but the size and alignment of the struct and the layout of other members is not changed and there is no known usage of pr_uid and pr_gid so it is expected to be safe. [BZ #18400] * sysdeps/unix/sysv/linux/aarch64/sys/procfs.h (struct elf_prpsinfo): Fix pr_uid and pr_gid members.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-025-5/+5
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* AArch64: Remove asm/ptrace.h inclusion in sys/user.h and sys/procfs.hYvan Roux2014-05-202-21/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes an issue observed by the Xen project, where including signal.h exposes various PSR_MODE #defines. This is due to the usage in sys/user.h and sys/procfs.h of the struct user_pt_regs and user_fpsimd_state included via asm/ptrace.h. The namespace pollution this inclusion introduce is already partially fixed with some #undef of the PTRACE_* symbols, but other symbols like the PSR_MODE ones are still present, and undefining them is not safe since a user can include ptrace.h before user.h. My proposition is to define the 2 structures we need in user.h and get rid of the asm/ptrace.h inclusion. Build and make check are clean on AArch64. 2014-05-20 Will Newton <will.newton@linaro.org> Yvan Roux <yvan.roux@linaro.org> * sysdeps/unix/sysv/linux/aarch64/sys/user.h: Remove unused #include of asm/ptrace.h. (PTRACE_GET_THREAD_AREA): Remove #undef. (PTRACE_GETHBPREGS): Likewise. (PTRACE_SETHBPREGS): Likewise. (struct user_regs_struct): New structure. (struct user_fpsimd_struct): New structure. * sysdeps/unix/sysv/linux/aarch64/sys/procfs.h: Remove unused #include of asm/ptrace.h and second #include of sys/user.h. (PTRACE_GET_THREAD_AREA): Remove #undef. (PTRACE_GETHBPREGS): Likewise. (PTRACE_SETHBPREGS): Likewise. (ELF_NGREG): Use new struct user_regs_struct. (elf_fpregset_t): Use new struct user_fpsimd_struct.
* Relocate AArch64 from ports to libc.Marcus Shawcroft2014-02-115-0/+441
This patch moves the AArch64 port to the main sysdeps hierarchy. The move is essentially: git mv ports/sysdeps/aarch64 sysdeps/aarch64 git mv ports/sysdeps/unix/sysv/linux/aarch64 sysdeps/unix/sysv/linux/aarch64 The README is updated and I've updated ChangeLog.aarch64 along the lines of the ARM move. The AArch64 build has been tested to confirm that there were no changes in objdump -dr output or the shared objects.
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-07-25 16:44:33 +0000