ref: b9b8ac6cf7afbdcad2b2b725b09fdeddc63ba2b3
parent: 440e24ce81386865be595f5825bc7287d5063ccc
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Tue Sep 14 10:47:48 EDT 2021
libc: Update arch/amd64/darwin This code is being updated out of the tree of scc and it is time to synchroniza both copies now.
--- a/src/libc/arch/amd64/darwin/.gitignore
+++ b/src/libc/arch/amd64/darwin/.gitignore
@@ -1,5 +1,5 @@
__close.s
-__Exit.s
+__exit.s
__getpid.s
__kill.s
__lseek.s
--- a/src/libc/arch/amd64/darwin/Makefile
+++ b/src/libc/arch/amd64/darwin/Makefile
@@ -5,25 +5,22 @@
include ../../../rules.mk
GENOBJS =\
- __Exit.$O\
__close.$O\
+ __exit.$O\
__getpid.$O\
__kill.$O\
__lseek.$O\
__open.$O\
__read.$O\
- __write.$O\
__sigaction.$O\
+ __write.$O\
GENSRC = $(GENOBJS:.$O=.s)
OBJS =\
$(GENOBJS)\
- _getheap.$O\
_sys_errlist.$O\
-# Rules
-
all: $(OBJS) $(CRT)
crt.$O: ../crt-posix.s
@@ -32,7 +29,6 @@
./gensys.sh $(@:.s=)
clean:
- rm -f $(GENSRC)
- rm -f syscall _sys_errlist.c
+ rm -f $(GENSRC) _sys_errlist.c
include deps.mk
--- a/src/libc/arch/amd64/darwin/gensys.sh
+++ b/src/libc/arch/amd64/darwin/gensys.sh
@@ -5,10 +5,10 @@
# until the 4th parameter, so we only have to set the syscall
# number in rax
-awk 'NF == 2 && $2 == "'$1'" {- printf("0x%x\t%s\n", 33554432 + $1, $2)-}' syscall.lst |
-while read num name
+awk 'BEGIN {n = 33554432}+ {gsub(/ *#./, "")}+ /'$1'/ {printf("0x%x\t%s\t%s\n", n + $1, $2, $3)}' syscall.lst |+while read num name nargs
do
cat <<EOF > $name.s
.file "$name.s"
@@ -15,6 +15,10 @@
.globl $name
$name:
+ `case $nargs in 4|5|6)
+ echo "movq %rcx,%r10"
+ ;;
+ esac`
movq \$$num,%rax
syscall
jb 1f
--- a/src/libc/arch/amd64/darwin/syscall.lst
+++ b/src/libc/arch/amd64/darwin/syscall.lst
@@ -1,9 +1,11 @@
-1 __Exit
-3 __read
-4 __write
-5 __open
-6 __close
-20 __getpid
-46 __sigaction
-37 __kill
-199 __lseek
+#Tab 15
+#number name nargs
+1 __exit 1
+3 __read 3
+4 __write 3
+5 __open 3
+6 __close 1
+20 __getpid 0
+46 __sigaction 3
+37 __kill 2
+199 __lseek 3