diff options
Diffstat (limited to 'sysdeps/unix/make-syscalls.sh')
| -rw-r--r-- | sysdeps/unix/make-syscalls.sh | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/sysdeps/unix/make-syscalls.sh b/sysdeps/unix/make-syscalls.sh index 6eba62c946..c2a203ebf2 100644 --- a/sysdeps/unix/make-syscalls.sh +++ b/sysdeps/unix/make-syscalls.sh @@ -154,16 +154,28 @@ while read file srcfile caller syscall args strong weak; do case x"$syscall" in x-) callnum=_ ;; *) + set `echo $syscall | sed -e 's/^\(.*\):\(.*\)/\1 \2/'` + syscall=$1; subcall=$2 # Figure out if $syscall is defined with a number in syscall.h. - callnum=- + callnum=-; subcallnum= eval `{ echo "#include <sysdep.h>"; echo "callnum=SYS_ify ($syscall)"; } | $asm_CPP -D__OPTIMIZE__ - | sed -n -e "/^callnum=.*$syscall/d" \ -e "/^\(callnum=\)[ ]*\(.*\)/s//\1'\2'/p"` + if test ! -z "$subcall" ; then + # Figure out if $subcall is defined with a number in syscall.h. + subcallnum= + eval `{ echo "#include <sysdep.h>"; + echo "subcallnum=SYS_ify (SUB_$subcall)"; } | + $asm_CPP -D__OPTIMIZE__ - | + sed -n -e "/^subcallnum=.*$subcall/d" \ + -e "/^\(subcallnum=\)[ ]*\(.*\)/s//\1'\2'/p"` + fi ;; esac + restart=0 cancellable=0 noerrno=0 errval=0 @@ -171,6 +183,7 @@ while read file srcfile caller syscall args strong weak; do C*) cancellable=1; args=`echo $args | sed 's/C:\?//'`;; E*) noerrno=1; args=`echo $args | sed 's/E:\?//'`;; V*) errval=1; args=`echo $args | sed 's/V:\?//'`;; + R*) restart=1; args=`echo $args | sed 's/R//'`;; esac # Derive the number of arguments from the argument signature @@ -191,7 +204,7 @@ while read file srcfile caller syscall args strong weak; do # Make sure only the first syscall rule is used, if multiple dirs # define the same syscall. echo '' - echo "#### CALL=$file NUMBER=$callnum ARGS=$args SOURCE=$srcfile" + echo "#### CALL=$file NUMBER=$callnum SUBNUMBER=$subcallnum ARGS=$args SOURCE=$srcfile" # If there are versioned aliases the entry is only generated for the # shared library, unless it is a default version. @@ -246,11 +259,21 @@ while read file srcfile caller syscall args strong weak; do (echo '/* Dummy module requested by syscalls.list */'; \\" ;; x*) + echo "\ \$(make-target-directory) (echo '#define SYSCALL_NAME $syscall'; \\ - echo '#define SYSCALL_NARGS $nargs'; \\ echo '#define SYSCALL_SYMBOL $strong'; \\" + if [ x"$subcallnum" != x ]; then + echo "\ + echo '#define SYSCALL_SUBCALL_NAME $subcall'; \\ + echo '#define SYSCALL_NARGS `expr $nargs + 1`'; \\" + else + echo "\ + echo '#define SYSCALL_NARGS $nargs'; \\" + fi + [ $restart = 0 ] || echo "\ + echo '#define SYSCALL_RESTARTABLE 1'; \\" [ $cancellable = 0 ] || echo "\ echo '#define SYSCALL_CANCELLABLE 1'; \\" [ $noerrno = 0 ] || echo "\ |