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* hurd/hurdselect.c (_hurd_select): Fix
MACH_MSG_TYPE_INTEGER_T -> integer_t in sizeof. Use a union rather than casts to compare mach_msg_type_t as int. 2002-03-25 Roland McGrath <roland@frob.com> * hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't check off the end of NAME when it's shorter than 2 chars. Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>. 2002-03-17 Roland McGrath <roland@frob.com> * sysdeps/mach/hurd/i386/sys/io.h: New file. * sysdeps/mach/hurd/i386/ioperm.c: New file. * sysdeps/mach/hurd/i386/Dist: Add them. * sysdeps/mach/hurd/i386/Versions (libc: GLIBC_2.2.6): New set, add ioperm. * sysdeps/mach/configure.in: New check to set HAVE_I386_IO_PERM_MODIFY. (mach_interface_list): Check for mach_i386.defs. * config.h.in (HAVE_I386_IO_PERM_MODIFY): #undef it. * sysdeps/mach/configure: Regenerated.
This commit is contained in:
Roland McGrath
parent
96c4df5055
commit
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24
ChangeLog
24
ChangeLog
@ -1,3 +1,27 @@
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2002-03-31 Roland McGrath <roland@frob.com>
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* hurd/hurdselect.c (_hurd_select): Fix
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MACH_MSG_TYPE_INTEGER_T -> integer_t in sizeof.
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Use a union rather than casts to compare mach_msg_type_t as int.
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2002-03-25 Roland McGrath <roland@frob.com>
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* hurd/hurdchdir.c (_hurd_change_directory_port_from_name): Don't
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check off the end of NAME when it's shorter than 2 chars.
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Reported by Ognyan Kulev <ogi@fmi.uni-sofia.bg>.
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2002-03-17 Roland McGrath <roland@frob.com>
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* sysdeps/mach/hurd/i386/sys/io.h: New file.
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* sysdeps/mach/hurd/i386/ioperm.c: New file.
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* sysdeps/mach/hurd/i386/Dist: Add them.
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* sysdeps/mach/hurd/i386/Versions
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(libc: GLIBC_2.2.6): New set, add ioperm.
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* sysdeps/mach/configure.in: New check to set HAVE_I386_IO_PERM_MODIFY.
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(mach_interface_list): Check for mach_i386.defs.
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* config.h.in (HAVE_I386_IO_PERM_MODIFY): #undef it.
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* sysdeps/mach/configure: Regenerated.
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2002-03-22 Ulrich Drepper <drepper@redhat.com>
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* po/fr.po: Update from translation team.
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@ -144,6 +144,9 @@
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/* Mach specific: define if the `host_page_size' RPC is available. */
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#undef HAVE_HOST_PAGE_SIZE
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/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
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#undef HAVE_I386_IO_PERM_MODIFY
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/* Sparc64 specific: define if .dynamic section comes before .got for
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shared libs. */
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#undef SPARC64_DYNAMIC_BEFORE_GOT
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@ -64,6 +64,14 @@ _hurd_select (int nfds,
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} d[nfds];
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sigset_t oset;
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union typeword /* Use this to avoid unkosher casts. */
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{
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mach_msg_type_t type;
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uint32_t word;
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};
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assert (sizeof (union typeword) == sizeof (mach_msg_type_t));
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assert (sizeof (uint32_t) == sizeof (mach_msg_type_t));
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if (sigmask && __sigprocmask (SIG_SETMASK, sigmask, &oset))
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return -1;
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@ -298,15 +306,15 @@ _hurd_select (int nfds,
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struct
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{
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mach_msg_header_t head;
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mach_msg_type_t err_type;
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union typeword err_type;
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error_t err;
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} error;
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struct
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{
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mach_msg_header_t head;
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mach_msg_type_t err_type;
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union typeword err_type;
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error_t err;
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mach_msg_type_t result_type;
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union typeword result_type;
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int result;
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} success;
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#endif
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@ -321,15 +329,16 @@ _hurd_select (int nfds,
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/* We got a message. Decode it. */
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#define IO_SELECT_REPLY_MSGID (21012 + 100) /* XXX */
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#ifdef MACH_MSG_TYPE_BIT
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const mach_msg_type_t inttype =
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{ MACH_MSG_TYPE_INTEGER_T, sizeof (MACH_MSG_TYPE_INTEGER_T) * 8,
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1, 1, 0, 0 };
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const union typeword inttype =
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{ type:
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{ MACH_MSG_TYPE_INTEGER_T, sizeof (integer_t) * 8, 1, 1, 0, 0 }
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};
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#endif
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if (msg.head.msgh_id == IO_SELECT_REPLY_MSGID
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&& msg.head.msgh_size >= sizeof msg.error
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&& !(msg.head.msgh_bits & MACH_MSGH_BITS_COMPLEX)
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if (msg.head.msgh_id == IO_SELECT_REPLY_MSGID &&
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msg.head.msgh_size >= sizeof msg.error &&
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!(msg.head.msgh_bits & MACH_MSGH_BITS_COMPLEX) &&
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#ifdef MACH_MSG_TYPE_BIT
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&& *(int *) &msg.error.err_type == *(int *) &inttype
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msg.error.err_type.word == inttype.word
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#endif
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)
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{
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@ -346,7 +355,7 @@ _hurd_select (int nfds,
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if (msg.error.err ||
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msg.head.msgh_size != sizeof msg.success ||
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#ifdef MACH_MSG_TYPE_BIT
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*(int *) &msg.success.result_type != *(int *) &inttype ||
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msg.success.result_type.word != inttype.word ||
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#endif
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(msg.success.result & SELECT_ALL) == 0)
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{
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53
sysdeps/mach/configure
vendored
53
sysdeps/mach/configure
vendored
@ -168,20 +168,21 @@ for ifc in mach mach4 \
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clock clock_priv host_priv host_security ledger lock_set \
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processor processor_set task thread_act vm_map \
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memory_object memory_object_default default_pager \
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i386/mach_i386 \
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; do
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ac_safe=`echo "mach/${ifc}.defs" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for mach/${ifc}.defs""... $ac_c" 1>&6
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echo "configure:175: checking for mach/${ifc}.defs" >&5
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echo "configure:176: checking for mach/${ifc}.defs" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 180 "configure"
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#line 181 "configure"
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#include "confdefs.h"
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#include <mach/${ifc}.defs>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:185: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:186: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -208,12 +209,12 @@ if test "x$mach_interface_list" = x; then
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fi
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echo $ac_n "checking for host_page_size in mach_host.defs""... $ac_c" 1>&6
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echo "configure:212: checking for host_page_size in mach_host.defs" >&5
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echo "configure:213: checking for host_page_size in mach_host.defs" >&5
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if eval "test \"`echo '$''{'libc_cv_mach_host_page_size'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 217 "configure"
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#line 218 "configure"
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#include "confdefs.h"
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#include <mach/mach_host.defs>
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EOF
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@ -239,17 +240,17 @@ fi
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ac_safe=`echo "mach/machine/ndr_def.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for mach/machine/ndr_def.h""... $ac_c" 1>&6
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echo "configure:243: checking for mach/machine/ndr_def.h" >&5
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echo "configure:244: checking for mach/machine/ndr_def.h" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 248 "configure"
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#line 249 "configure"
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#include "confdefs.h"
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#include <mach/machine/ndr_def.h>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:253: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:254: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -270,17 +271,17 @@ else
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echo "$ac_t""no" 1>&6
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ac_safe=`echo "machine/ndr_def.h" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for machine/ndr_def.h""... $ac_c" 1>&6
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echo "configure:274: checking for machine/ndr_def.h" >&5
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echo "configure:275: checking for machine/ndr_def.h" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 279 "configure"
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#line 280 "configure"
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#include "confdefs.h"
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#include <machine/ndr_def.h>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:284: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:285: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -303,3 +304,33 @@ fi
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fi
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echo $ac_n "checking for i386_io_perm_modify in mach_i386.defs""... $ac_c" 1>&6
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echo "configure:310: checking for i386_io_perm_modify in mach_i386.defs" >&5
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if eval "test \"`echo '$''{'libc_cv_mach_i386_ioports'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 315 "configure"
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#include "confdefs.h"
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#include <mach/i386/mach_i386.defs>
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EOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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egrep "i386_io_perm_modify" >/dev/null 2>&1; then
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rm -rf conftest*
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libc_cv_mach_i386_ioports=yes
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else
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rm -rf conftest*
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libc_cv_mach_i386_ioports=no
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fi
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rm -f conftest*
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fi
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echo "$ac_t""$libc_cv_mach_i386_ioports" 1>&6
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if test $libc_cv_mach_i386_ioports = yes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_I386_IO_PERM_MODIFY 1
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EOF
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fi
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@ -52,6 +52,7 @@ for ifc in mach mach4 \
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clock clock_priv host_priv host_security ledger lock_set \
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processor processor_set task thread_act vm_map \
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memory_object memory_object_default default_pager \
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i386/mach_i386 \
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; do
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AC_CHECK_HEADER(mach/${ifc}.defs, [dnl
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mach_interface_list="$mach_interface_list $ifc"])
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@ -73,3 +74,12 @@ AC_CHECK_HEADER(mach/machine/ndr_def.h, [dnl
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DEFINES="$DEFINES -DNDR_DEF_HEADER='<mach/machine/ndr_def.h>'"], [dnl
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AC_CHECK_HEADER(machine/ndr_def.h, [dnl
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DEFINES="$DEFINES -DNDR_DEF_HEADER='<machine/ndr_def.h>'"])])
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AC_CACHE_CHECK(for i386_io_perm_modify in mach_i386.defs,
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libc_cv_mach_i386_ioports, [dnl
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AC_EGREP_HEADER(i386_io_perm_modify, mach/i386/mach_i386.defs,
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libc_cv_mach_i386_ioports=yes,
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libc_cv_mach_i386_ioports=no)])
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if test $libc_cv_mach_i386_ioports = yes; then
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AC_DEFINE([HAVE_I386_IO_PERM_MODIFY])
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fi
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@ -1 +1,3 @@
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static-start.S
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sys/io.h
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ioperm.c
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@ -4,4 +4,7 @@ libc {
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__register_frame; __register_frame_table; __deregister_frame;
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__frame_state_for; __register_frame_info_table;
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}
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GLIBC_2.2.6 {
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ioperm;
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}
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}
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51
sysdeps/mach/hurd/i386/ioperm.c
Normal file
51
sysdeps/mach/hurd/i386/ioperm.c
Normal file
@ -0,0 +1,51 @@
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/* Access to hardware i/o ports. Hurd/x86 version.
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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|
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The GNU C Library is free software; you can redistribute it and/or
|
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modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
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version 2.1 of the License, or (at your option) any later version.
|
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|
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The GNU C Library is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
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02111-1307 USA. */
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#include <sys/io.h>
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#include <hurd.h>
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#include <mach/i386/mach_i386.h>
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int
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ioperm (unsigned long int from, unsigned long int num, int turn_on)
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{
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#if ! HAVE_I386_IO_PERM_MODIFY
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return __hurd_fail (ENOSYS);
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#else
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error_t err;
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device_t devmaster;
|
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|
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/* With the device master port we get a capability that represents
|
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this range of io ports. */
|
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err = __get_privileged_ports (NULL, &devmaster);
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if (! err)
|
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{
|
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io_perm_t perm;
|
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err = __i386_io_perm_create (devmaster, from, from + num, &perm);
|
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__mach_port_deallocate (__mach_task_self (), devmaster);
|
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if (! err)
|
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{
|
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/* Now we add or remove that set from our task's bitmap. */
|
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err = __i386_io_perm_modify (__mach_task_self (), perm, turn_on);
|
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__mach_port_deallocate (__mach_task_self (), perm);
|
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}
|
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}
|
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|
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return err ? __hurd_fail (err) : 0;
|
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#endif
|
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}
|
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178
sysdeps/mach/hurd/i386/sys/io.h
Normal file
178
sysdeps/mach/hurd/i386/sys/io.h
Normal file
@ -0,0 +1,178 @@
|
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/* Access to hardware i/o ports. GNU/x86 version.
|
||||
Copyright (C) 2002 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library 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
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, write to the Free
|
||||
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
||||
02111-1307 USA. */
|
||||
|
||||
#ifndef _SYS_IO_H
|
||||
#define _SYS_IO_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
/* If TURN_ON is TRUE, request for permission to do direct i/o on the
|
||||
port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
|
||||
permission off for that range. This call requires root privileges. */
|
||||
extern int ioperm (unsigned long int __from, unsigned long int __num,
|
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int __turn_on) __THROW;
|
||||
|
||||
/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to
|
||||
access any I/O port is granted. This call requires root
|
||||
privileges. */
|
||||
extern int iopl (int __level) __THROW;
|
||||
|
||||
#if defined __GNUC__ && __GNUC__ >= 2
|
||||
|
||||
static __inline unsigned char
|
||||
inb (unsigned short int port)
|
||||
{
|
||||
unsigned char _v;
|
||||
|
||||
__asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
|
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return _v;
|
||||
}
|
||||
|
||||
static __inline unsigned char
|
||||
inb_p (unsigned short int port)
|
||||
{
|
||||
unsigned char _v;
|
||||
|
||||
__asm__ __volatile__ ("inb %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
|
||||
return _v;
|
||||
}
|
||||
|
||||
static __inline unsigned short int
|
||||
inw (unsigned short int port)
|
||||
{
|
||||
unsigned short _v;
|
||||
|
||||
__asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
|
||||
return _v;
|
||||
}
|
||||
|
||||
static __inline unsigned short int
|
||||
inw_p (unsigned short int port)
|
||||
{
|
||||
unsigned short int _v;
|
||||
|
||||
__asm__ __volatile__ ("inw %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
|
||||
return _v;
|
||||
}
|
||||
|
||||
static __inline unsigned int
|
||||
inl (unsigned short int port)
|
||||
{
|
||||
unsigned int _v;
|
||||
|
||||
__asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
|
||||
return _v;
|
||||
}
|
||||
|
||||
static __inline unsigned int
|
||||
inl_p (unsigned short int port)
|
||||
{
|
||||
unsigned int _v;
|
||||
__asm__ __volatile__ ("inl %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
|
||||
return _v;
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outb (unsigned char value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outb_p (unsigned char value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80": :"a" (value),
|
||||
"Nd" (port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outw (unsigned short int value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
|
||||
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outw_p (unsigned short int value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80": :"a" (value),
|
||||
"Nd" (port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outl (unsigned int value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outl_p (unsigned int value, unsigned short int port)
|
||||
{
|
||||
__asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80": :"a" (value),
|
||||
"Nd" (port));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
insb (unsigned short int port, void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; insb":"=D" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
insw (unsigned short int port, void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; insw":"=D" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
insl (unsigned short int port, void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; insl":"=D" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outsb (unsigned short int port, const void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; outsb":"=S" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outsw (unsigned short int port, const void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; outsw":"=S" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
static __inline void
|
||||
outsl (unsigned short int port, const void *addr, unsigned long int count)
|
||||
{
|
||||
__asm__ __volatile__ ("cld ; rep ; outsl":"=S" (addr),
|
||||
"=c" (count):"d" (port), "0" (addr), "1" (count));
|
||||
}
|
||||
|
||||
#endif /* GNU C */
|
||||
|
||||
__END_DECLS
|
||||
#endif /* _SYS_IO_H */
|
||||
Loading…
Reference in New Issue
Block a user