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Date: Wed, 13 May 2015 10:43:00 -0000
From: Pedro Alves <palves@redhat.com>
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To: Gabriel Krisman Bertazi <gabriel@krisman.be>, sergiodj@redhat.com
CC: gdb-patches@sourceware.org, dje@google.com
Subject: Re: [PATCH v4 4/5] Include group information in xml syscall files.
References: <87wq0gtfxu.fsf@redhat.com> <1431304069-19647-1-git-send-email-gabriel@krisman.be> <1431304069-19647-5-git-send-email-gabriel@krisman.be>
In-Reply-To: <1431304069-19647-5-git-send-email-gabriel@krisman.be>
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On 05/11/2015 01:27 AM, Gabriel Krisman Bertazi wrote:
> We maintain linux-defaults.xml.in, a template file to hold generic group
> information.  It is used by the XSL script that parses the architecture
> specific files to generate the final xml files, which are actually
> installed and loaded by GDB.  The script is not run during the build
> process, and must be run manually by a GDB maintainer when there is need
> to update the syscalls information files.
> 
> gdb/
> 
> 	* syscalls/Makefile: New file.
> 	* syscalls/apply-defaults.xsl: New file.
> 	* syscalls/linux-defaults.xml.in: New file.
> 	* syscalls/aarch64-linux.xml: Rename to aarch64-linux.xml.in.
> 	* syscalls/amd64-linux.xml: Rename to amd64-linux.xml.in.
> 	* syscalls/arm-linux.xml: Rename to arm-linux.xml.in.
> 	* syscalls/bfin-linux.xml: Rename to bfin-linux.xml.in.
> 	* syscalls/i386-linux.xml: Rename to i386-linux.xml.in.
> 	* syscalls/mips-n32-linux.xml: Rename to mips-n32-linux.xml.in.
> 	* syscalls/mips-n64-linux.xml: Rename to mips-n64-linux.xml.in.
> 	* syscalls/mips-o32-linux.xml: Rename to mips-o32-linux.xml.in.
> 	* syscalls/ppc-linux.xml: Rename to ppc-linux.xml.in.
> 	* syscalls/ppc64-linux.xml: Rename to ppc64-linux.xml.in.
> 	* syscalls/s390-linux.xml: Rename to s390-linux.xml.in.
> 	* syscalls/s390x-linux.xml: Rename to s390x-linux.xml.in.
> 	* syscalls/sparc-linux.xml: Rename to sparc-linux.xml.in.
> 	* syscalls/sparc64-linux.xml: Rename to sparc64-linux.xml.in.
> ---
>  gdb/syscalls/Makefile                              |  41 ++++
>  .../{aarch64-linux.xml => aarch64-linux.xml.in}    |   0
>  .../{amd64-linux.xml => amd64-linux.xml.in}        |   0
>  gdb/syscalls/apply-defaults.xsl                    |  27 +++
>  gdb/syscalls/{arm-linux.xml => arm-linux.xml.in}   |   0
>  gdb/syscalls/{bfin-linux.xml => bfin-linux.xml.in} |   0
>  gdb/syscalls/{i386-linux.xml => i386-linux.xml.in} |   0
>  gdb/syscalls/linux-defaults.xml.in                 | 243 +++++++++++++++++++++
>  .../{mips-n32-linux.xml => mips-n32-linux.xml.in}  |   0
>  .../{mips-n64-linux.xml => mips-n64-linux.xml.in}  |   0
>  .../{mips-o32-linux.xml => mips-o32-linux.xml.in}  |   0
>  gdb/syscalls/{ppc-linux.xml => ppc-linux.xml.in}   |   0
>  .../{ppc64-linux.xml => ppc64-linux.xml.in}        |   0
>  gdb/syscalls/{s390-linux.xml => s390-linux.xml.in} |   0
>  .../{s390x-linux.xml => s390x-linux.xml.in}        |   0
>  .../{sparc-linux.xml => sparc-linux.xml.in}        |   0
>  .../{sparc64-linux.xml => sparc64-linux.xml.in}    |   0
>  17 files changed, 311 insertions(+)
>  create mode 100644 gdb/syscalls/Makefile
>  rename gdb/syscalls/{aarch64-linux.xml => aarch64-linux.xml.in} (100%)
>  rename gdb/syscalls/{amd64-linux.xml => amd64-linux.xml.in} (100%)
>  create mode 100644 gdb/syscalls/apply-defaults.xsl
>  rename gdb/syscalls/{arm-linux.xml => arm-linux.xml.in} (100%)
>  rename gdb/syscalls/{bfin-linux.xml => bfin-linux.xml.in} (100%)
>  rename gdb/syscalls/{i386-linux.xml => i386-linux.xml.in} (100%)
>  create mode 100644 gdb/syscalls/linux-defaults.xml.in
>  rename gdb/syscalls/{mips-n32-linux.xml => mips-n32-linux.xml.in} (100%)
>  rename gdb/syscalls/{mips-n64-linux.xml => mips-n64-linux.xml.in} (100%)
>  rename gdb/syscalls/{mips-o32-linux.xml => mips-o32-linux.xml.in} (100%)
>  rename gdb/syscalls/{ppc-linux.xml => ppc-linux.xml.in} (100%)
>  rename gdb/syscalls/{ppc64-linux.xml => ppc64-linux.xml.in} (100%)
>  rename gdb/syscalls/{s390-linux.xml => s390-linux.xml.in} (100%)
>  rename gdb/syscalls/{s390x-linux.xml => s390x-linux.xml.in} (100%)
>  rename gdb/syscalls/{sparc-linux.xml => sparc-linux.xml.in} (100%)
>  rename gdb/syscalls/{sparc64-linux.xml => sparc64-linux.xml.in} (100%)
> 
> diff --git a/gdb/syscalls/Makefile b/gdb/syscalls/Makefile
> new file mode 100644
> index 0000000..30fa4e4
> --- /dev/null
> +++ b/gdb/syscalls/Makefile
> @@ -0,0 +1,41 @@
> +# Copyright (C) 2007-2015 Free Software Foundation, Inc.
> +
> +# This file is part of GDB.
> +
> +# This program is free software; you can redistribute it and/or modify
> +# it under the terms of the GNU General Public License as published by
> +# the Free Software Foundation; either version 3 of the License, or
> +# (at your option) any later version.
> +#
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program.  If not, see <http://www.gnu.org/licenses/>.
> +
> +# This file requires GNU make!
> +
> +# This Makefile generates the XML syscall files from their xml.in and
> +# *-defaults.xml counterparts.  Because this relies on xsltproc, it is
> +# not normally run during the build process; it should be run by hand
> +# when one of the affected source files is changed, and the results
> +# should be kept in the GDB repository.
> +
> +# To generate the updated xml files, just enter the syscalls directory
> +# and run
> +#
> +# $ make
> +
> +XSLTPROC = xsltproc
> +SYSCALL_FILES = aarch64-linux.xml arm-linux.xml mips-n64-linux.xml \
> +	ppc64-linux.xml s390-linux.xml sparc64-linux.xml \
> +	amd64-linux.xml bfin-linux.xml i386-linux.xml \
> +	mips-n32-linux.xml mips-o32-linux.xml ppc-linux.xml \
> +	s390x-linux.xml sparc-linux.xml
> +
> +all: $(SYSCALL_FILES)
> +
> +%.xml: %.xml.in apply-defaults.xsl linux-defaults.xml.in
> +	$(XSLTPROC) -o $@ apply-defaults.xsl $<
> diff --git a/gdb/syscalls/aarch64-linux.xml b/gdb/syscalls/aarch64-linux.xml.in
> similarity index 100%
> rename from gdb/syscalls/aarch64-linux.xml
> rename to gdb/syscalls/aarch64-linux.xml.in
> diff --git a/gdb/syscalls/amd64-linux.xml b/gdb/syscalls/amd64-linux.xml.in
> similarity index 100%
> rename from gdb/syscalls/amd64-linux.xml
> rename to gdb/syscalls/amd64-linux.xml.in
> diff --git a/gdb/syscalls/apply-defaults.xsl b/gdb/syscalls/apply-defaults.xsl
> new file mode 100644
> index 0000000..5b7f224
> --- /dev/null
> +++ b/gdb/syscalls/apply-defaults.xsl
> @@ -0,0 +1,27 @@
> +<!-- Copyright (C) 2015 Free Software Foundation, Inc.
> +
> +     Copying and distribution of this file, with or without modification,
> +     are permitted in any medium without royalty provided the copyright
> +     notice and this notice are preserved.  -->
> +
> +<xsl:stylesheet version="1.0"
> +		xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> +  <xsl:output method="xml" doctype-system="gdb-syscalls.dtd"/>
> +
> +  <xsl:template match="node()|@*" name="identity">
> +    <xsl:copy>
> +      <xsl:apply-templates select="node()|@*"/>
> +    </xsl:copy>
> +  </xsl:template>
> +
> +  <xsl:template match="/syscalls_info/syscall">
> +    <xsl:copy>
> +      <xsl:apply-templates select="@*|node()"/>
> +      <xsl:variable name="syscall"><xsl:value-of select="@name"/></xsl:variable>
> +      <xsl:for-each select="document('linux-defaults.xml.in')/syscalls_defaults/child::*[@name=$syscall]">
> +	<xsl:attribute name="groups"><xsl:value-of select="@groups"/></xsl:attribute>
> +      </xsl:for-each>
> +    </xsl:copy>
> +  </xsl:template>
> +
> +</xsl:stylesheet>
> diff --git a/gdb/syscalls/arm-linux.xml b/gdb/syscalls/arm-linux.xml.in
> similarity index 100%
> rename from gdb/syscalls/arm-linux.xml
> rename to gdb/syscalls/arm-linux.xml.in
> diff --git a/gdb/syscalls/bfin-linux.xml b/gdb/syscalls/bfin-linux.xml.in
> similarity index 100%
> rename from gdb/syscalls/bfin-linux.xml
> rename to gdb/syscalls/bfin-linux.xml.in
> diff --git a/gdb/syscalls/i386-linux.xml b/gdb/syscalls/i386-linux.xml.in
> similarity index 100%
> rename from gdb/syscalls/i386-linux.xml
> rename to gdb/syscalls/i386-linux.xml.in
> diff --git a/gdb/syscalls/linux-defaults.xml.in b/gdb/syscalls/linux-defaults.xml.in
> new file mode 100644
> index 0000000..576be0c
> --- /dev/null
> +++ b/gdb/syscalls/linux-defaults.xml.in
> @@ -0,0 +1,243 @@
> +<?xml version="1.0"?>
> +<!-- Copyright (C) 2009-2015 Free Software Foundation, Inc.
> +
> +     Copying and distribution of this file, with or without modification,
> +     are permitted in any medium without royalty provided the copyright
> +     notice and this notice are preserved.  -->
> +
> +<!-- The group field information was based on strace.  -->
> +
> +<syscalls_defaults>
> +  <syscall name="read" groups="descriptor"/>
> +  <syscall name="write" groups="descriptor"/>
> +  <syscall name="open" groups="descriptor,file"/>
> +  <syscall name="close" groups="descriptor"/>
> +  <syscall name="stat" groups="file"/>
> +  <syscall name="fstat" groups="descriptor"/>
> +  <syscall name="lstat" groups="file"/>
> +  <syscall name="poll" groups="descriptor"/>
> +  <syscall name="lseek" groups="descriptor"/>
> +  <syscall name="mmap" groups="descriptor,memory"/>
> +  <syscall name="mprotect" groups="memory"/>
> +  <syscall name="munmap" groups="memory"/>
> +  <syscall name="brk" groups="memory"/>
> +  <syscall name="rt_sigaction" groups="signal"/>
> +  <syscall name="rt_sigprocmask" groups="signal"/>
> +  <syscall name="rt_sigreturn" groups="signal"/>
> +  <syscall name="ioctl" groups="descriptor"/>
> +  <syscall name="pread64" groups="descriptor"/>
> +  <syscall name="pwrite64" groups="descriptor"/>
> +  <syscall name="readv" groups="descriptor"/>
> +  <syscall name="writev" groups="descriptor"/>
> +  <syscall name="access" groups="file"/>
> +  <syscall name="pipe" groups="descriptor"/>
> +  <syscall name="select" groups="descriptor"/>
> +  <syscall name="mremap" groups="memory"/>
> +  <syscall name="msync" groups="memory"/>
> +  <syscall name="mincore" groups="memory"/>
> +  <syscall name="madvise" groups="memory"/>
> +  <syscall name="shmget" groups="ipc"/>
> +  <syscall name="shmat" groups="ipc,memory"/>
> +  <syscall name="shmctl" groups="ipc"/>
> +  <syscall name="dup" groups="descriptor"/>
> +  <syscall name="dup2" groups="descriptor"/>
> +  <syscall name="pause" groups="signal"/>
> +  <syscall name="sendfile" groups="descriptor,network"/>
> +  <syscall name="socket" groups="network"/>
> +  <syscall name="connect" groups="network"/>
> +  <syscall name="accept" groups="network"/>
> +  <syscall name="sendto" groups="network"/>
> +  <syscall name="recvfrom" groups="network"/>
> +  <syscall name="sendmsg" groups="network"/>
> +  <syscall name="recvmsg" groups="network"/>
> +  <syscall name="shutdown" groups="network"/>
> +  <syscall name="bind" groups="network"/>
> +  <syscall name="listen" groups="network"/>
> +  <syscall name="getsockname" groups="network"/>
> +  <syscall name="getpeername" groups="network"/>
> +  <syscall name="socketpair" groups="network"/>
> +  <syscall name="setsockopt" groups="network"/>
> +  <syscall name="getsockopt" groups="network"/>
> +  <syscall name="clone" groups="process"/>
> +  <syscall name="fork" groups="process"/>
> +  <syscall name="vfork" groups="process"/>
> +  <syscall name="execve" groups="file,process"/>
> +  <syscall name="execv" groups="file,process"/>
> +  <syscall name="exit" groups="process"/>
> +  <syscall name="wait4" groups="process"/>
> +  <syscall name="kill" groups="signal"/>
> +  <syscall name="semget" groups="ipc"/>
> +  <syscall name="semop" groups="ipc"/>
> +  <syscall name="semctl" groups="ipc"/>
> +  <syscall name="shmdt" groups="ipc,memory"/>
> +  <syscall name="msgget" groups="ipc"/>
> +  <syscall name="msgsnd" groups="ipc"/>
> +  <syscall name="msgrcv" groups="ipc"/>
> +  <syscall name="msgctl" groups="ipc"/>
> +  <syscall name="fcntl" groups="descriptor"/>
> +  <syscall name="flock" groups="descriptor"/>
> +  <syscall name="fsync" groups="descriptor"/>
> +  <syscall name="fdatasync" groups="descriptor"/>
> +  <syscall name="truncate" groups="file"/>
> +  <syscall name="ftruncate" groups="descriptor"/>
> +  <syscall name="getdents" groups="descriptor"/>
> +  <syscall name="getcwd" groups="file"/>
> +  <syscall name="chdir" groups="file"/>
> +  <syscall name="fchdir" groups="descriptor"/>
> +  <syscall name="rename" groups="file"/>
> +  <syscall name="mkdir" groups="file"/>
> +  <syscall name="rmdir" groups="file"/>
> +  <syscall name="creat" groups="descriptor,file"/>
> +  <syscall name="link" groups="file"/>
> +  <syscall name="unlink" groups="file"/>
> +  <syscall name="symlink" groups="file"/>
> +  <syscall name="readlink" groups="file"/>
> +  <syscall name="chmod" groups="file"/>
> +  <syscall name="fchmod" groups="descriptor"/>
> +  <syscall name="chown" groups="file"/>
> +  <syscall name="fchown" groups="descriptor"/>
> +  <syscall name="lchown" groups="file"/>
> +  <syscall name="rt_sigpending" groups="signal"/>
> +  <syscall name="rt_sigtimedwait" groups="signal"/>
> +  <syscall name="rt_sigqueueinfo" groups="signal"/>
> +  <syscall name="rt_sigsuspend" groups="signal"/>
> +  <syscall name="sigaltstack" groups="signal"/>
> +  <syscall name="utime" groups="file"/>
> +  <syscall name="mknod" groups="file"/>
> +  <syscall name="uselib" groups="file"/>
> +  <syscall name="statfs" groups="file"/>
> +  <syscall name="fstatfs" groups="descriptor"/>
> +  <syscall name="mlock" groups="memory"/>
> +  <syscall name="munlock" groups="memory"/>
> +  <syscall name="mlockall" groups="memory"/>
> +  <syscall name="munlockall" groups="memory"/>
> +  <syscall name="pivot_root" groups="file"/>
> +  <syscall name="arch_prctl" groups="process"/>
> +  <syscall name="chroot" groups="file"/>
> +  <syscall name="acct" groups="file"/>
> +  <syscall name="mount" groups="file"/>
> +  <syscall name="umount" groups="file"/>
> +  <syscall name="umount2" groups="file"/>
> +  <syscall name="swapon" groups="file"/>
> +  <syscall name="swapoff" groups="file"/>
> +  <syscall name="quotactl" groups="file"/>
> +  <syscall name="readahead" groups="descriptor"/>
> +  <syscall name="setxattr" groups="file"/>
> +  <syscall name="lsetxattr" groups="file"/>
> +  <syscall name="fsetxattr" groups="descriptor"/>
> +  <syscall name="getxattr" groups="file"/>
> +  <syscall name="lgetxattr" groups="file"/>
> +  <syscall name="fgetxattr" groups="descriptor"/>
> +  <syscall name="listxattr" groups="file"/>
> +  <syscall name="llistxattr" groups="file"/>
> +  <syscall name="flistxattr" groups="descriptor"/>
> +  <syscall name="removexattr" groups="file"/>
> +  <syscall name="lremovexattr" groups="file"/>
> +  <syscall name="fremovexattr" groups="descriptor"/>
> +  <syscall name="tkill" groups="signal"/>
> +  <syscall name="epoll_create" groups="descriptor"/>
> +  <syscall name="remap_file_pages" groups="memory"/>
> +  <syscall name="getdents64" groups="descriptor"/>
> +  <syscall name="semtimedop" groups="ipc"/>
> +  <syscall name="fadvise64" groups="descriptor"/>
> +  <syscall name="exit_group" groups="process"/>
> +  <syscall name="epoll_wait" groups="descriptor"/>
> +  <syscall name="epoll_ctl" groups="descriptor"/>
> +  <syscall name="tgkill" groups="signal"/>
> +  <syscall name="utimes" groups="file"/>
> +  <syscall name="mbind" groups="memory"/>
> +  <syscall name="set_mempolicy" groups="memory"/>
> +  <syscall name="get_mempolicy" groups="memory"/>
> +  <syscall name="waitid" groups="process"/>
> +  <syscall name="inotify_init" groups="descriptor"/>
> +  <syscall name="inotify_add_watch" groups="descriptor"/>
> +  <syscall name="inotify_rm_watch" groups="descriptor"/>
> +  <syscall name="migrate_pages" groups="memory"/>
> +  <syscall name="openat" groups="descriptor,file"/>
> +  <syscall name="mkdirat" groups="descriptor,file"/>
> +  <syscall name="mknodat" groups="descriptor,file"/>
> +  <syscall name="fchownat" groups="descriptor,file"/>
> +  <syscall name="futimesat" groups="descriptor,file"/>
> +  <syscall name="newfstatat" groups="descriptor,file"/>
> +  <syscall name="unlinkat" groups="descriptor,file"/>
> +  <syscall name="renameat" groups="descriptor,file"/>
> +  <syscall name="linkat" groups="descriptor,file"/>
> +  <syscall name="symlinkat" groups="descriptor,file"/>
> +  <syscall name="readlinkat" groups="descriptor,file"/>
> +  <syscall name="fchmodat" groups="descriptor,file"/>
> +  <syscall name="faccessat" groups="descriptor,file"/>
> +  <syscall name="pselect6" groups="descriptor"/>
> +  <syscall name="ppoll" groups="descriptor"/>
> +  <syscall name="unshare" groups="process"/>
> +  <syscall name="splice" groups="descriptor"/>
> +  <syscall name="tee" groups="descriptor"/>
> +  <syscall name="sync_file_range" groups="descriptor"/>
> +  <syscall name="vmsplice" groups="descriptor"/>
> +  <syscall name="move_pages" groups="memory"/>
> +  <syscall name="utimensat" groups="descriptor,file"/>
> +  <syscall name="epoll_pwait" groups="descriptor"/>
> +  <syscall name="signalfd" groups="descriptor,signal"/>
> +  <syscall name="timerfd_create" groups="descriptor"/>
> +  <syscall name="eventfd" groups="descriptor"/>
> +  <syscall name="fallocate" groups="descriptor"/>
> +  <syscall name="timerfd_settime" groups="descriptor"/>
> +  <syscall name="timerfd_gettime" groups="descriptor"/>
> +  <syscall name="accept4" groups="network"/>
> +  <syscall name="signalfd4" groups="descriptor,signal"/>
> +  <syscall name="eventfd2" groups="descriptor"/>
> +  <syscall name="epoll_create1" groups="descriptor"/>
> +  <syscall name="dup3" groups="descriptor"/>
> +  <syscall name="pipe2" groups="descriptor"/>
> +  <syscall name="inotify_init1" groups="descriptor"/>
> +  <syscall name="preadv" groups="descriptor"/>
> +  <syscall name="pwritev" groups="descriptor"/>
> +  <syscall name="send" groups="network"/>
> +  <syscall name="recv" groups="network"/>
> +  <syscall name="statfs64" groups="file"/>
> +  <syscall name="fstatfs64" groups="descriptor"/>
> +  <syscall name="sendfile64" groups="descriptor,network"/>
> +  <syscall name="rt_tgsigqueueinfo" groups="process,signal"/>
> +  <syscall name="perf_event_open" groups="descriptor"/>
> +  <syscall name="recvmmsg" groups="network"/>
> +  <syscall name="fanotify_init" groups="descriptor"/>
> +  <syscall name="fanotify_mark" groups="descriptor,file"/>
> +  <syscall name="fchown32" groups="descriptor"/>
> +  <syscall name="chown32" groups="file"/>
> +  <syscall name="fcntl64" groups="descriptor"/>
> +  <syscall name="mmap2" groups="descriptor,memory"/>
> +  <syscall name="truncate64" groups="file"/>
> +  <syscall name="ftruncate64" groups="descriptor"/>
> +  <syscall name="stat64" groups="file"/>
> +  <syscall name="lstat64" groups="file"/>
> +  <syscall name="fstat64" groups="descriptor"/>
> +  <syscall name="lchown32" groups="file"/>
> +  <syscall name="name_to_handle_at" groups="descriptor,file"/>
> +  <syscall name="open_by_handle_at" groups="descriptor"/>
> +  <syscall name="_llseek" groups="descriptor"/>
> +  <syscall name="syncfs" groups="descriptor"/>
> +  <syscall name="sendmmsg" groups="network"/>
> +  <syscall name="setns" groups="descriptor"/>
> +  <syscall name="finit_module" groups="descriptor"/>
> +  <syscall name="oldstat" groups="file"/>
> +  <syscall name="sigaction" groups="signal"/>
> +  <syscall name="sigreturn" groups="signal"/>
> +  <syscall name="sigsuspend" groups="signal"/>
> +  <syscall name="sigpending" groups="signal"/>
> +  <syscall name="sigprocmask" groups="signal"/>
> +  <syscall name="ipc" groups="ipc"/>
> +  <syscall name="readdir" groups="descriptor"/>
> +  <syscall name="socketcall" number="102" groups="descriptor"/>
> +  <syscall name="break" groups="memory"/>
> +  <syscall name="oldfstat" groups="descriptor"/>
> +  <syscall name="signal" groups="signal"/>
> +  <syscall name="sgetmask" groups="signal"/>
> +  <syscall name="ssetmask" groups="signal"/>
> +  <syscall name="oldlstat" groups="file"/>
> +  <syscall name="waitpid" groups="process"/>
> +  <syscall name="pread" groups="descriptor"/>
> +  <syscall name="pwrite" groups="descriptor"/>
> +  <syscall name="fadvise64_64" groups="descriptor"/>
> +  <syscall name="fstatat64" groups="descriptor,file"/>
> +  <syscall name="_newselect" groups="descriptor"/>
> +  <syscall name="timerfd" number="6281" groups="descriptor"/>

Looks like a stale 'number="6281"' sneaked in here.  Otherwise
this looks good to me.  Thanks for doing this.

Thanks,
Pedro Alves