[ -n "$TARGET_CC_NOCACHE" ] && CC=$TARGET_CC_NOCACHE
echo "#include <asm/unistd.h>"
-echo "static const char *syscall_names[] = {"
+echo "static const char *__syscall_names[] = {"
echo "#include <sys/syscall.h>" | ${CC} -E -dM - | grep '^#define __NR_' | \
- LC_ALL=C sed -r -n -e 's/^\#define[ \t]+__NR_([a-z0-9_]+)[ \t]+([ ()+0-9NR_Linux]+)(.*)/ [\2] = "\1",/p'
+ LC_ALL=C sed -r -n -e 's/^\#define[ \t]+__NR_([a-z0-9_]+)[ \t]+([ ()+0-9a-zNR_Linux]+)(.*)/ [\2] = "\1",/p'
echo "};"
+
+extra_syscalls="$(echo "#include <sys/syscall.h>" | ${CC} -E -dM - | sed -n -e '/^#define __ARM_NR_/ s///p')"
+
+cat <<EOF
+static inline const char *syscall_name(unsigned i) {
+ if (i < ARRAY_SIZE(__syscall_names))
+ return __syscall_names[i];
+ switch (i) {
+EOF
+echo "$extra_syscalls" | \
+ LC_ALL=C sed -r -n -e 's/^([a-z0-9_]+)[ \t]+([ ()+0-9a-zNR_Linux]+)(.*)/ case \2: return "\1";/p'
+cat <<EOF
+ default: return (void*)0;
+ }
+}
+EOF
+
+cat <<EOF
+static inline int syscall_index(unsigned i) {
+ if (i < ARRAY_SIZE(__syscall_names))
+ return i;
+ switch (i) {
+EOF
+echo "$extra_syscalls" | \
+ LC_ALL=C perl -ne 'print " case $2: return ARRAY_SIZE(__syscall_names) + ", $. - 1, ";\n" if /^([a-z0-9_]+)[ \t]+([ ()+0-9a-zNR_Linux]+)(.*)/;'
+cat <<EOF
+ default: return -1;
+ }
+}
+EOF
+
+cat <<EOF
+static inline int syscall_index_to_number(unsigned i) {
+ if (i < ARRAY_SIZE(__syscall_names))
+ return i;
+ switch (i) {
+EOF
+echo "$extra_syscalls" | \
+ LC_ALL=C perl -ne 'print " case ARRAY_SIZE(__syscall_names) + ", $. - 1, ": return $2;\n" if /^([a-z0-9_]+)[ \t]+([ ()+0-9a-zNR_Linux]+)(.*)/;'
+cat <<EOF
+ default: return -1;
+ }
+}
+EOF
+
+echo "#define SYSCALL_COUNT (ARRAY_SIZE(__syscall_names) + $({ test -n "$extra_syscalls" && echo "$extra_syscalls"; } | wc -l))"