scc

commit 5b0a7f2d9d0a0a08a898e3937c780c25be43c032
parent 56fa97c0542ea683fdc3c88549e6e1690bfe0878
Author: Quentin Rameau <quinq@fifth.space>
Date:   Mon, 20 Mar 2017 17:54:05 +0100

[libc] Fix sys assembly generating awk script

We forgot to export symbols

Diffstat:
M
libc/src/sys/amd64-sysv-linux/syscall.awk
 | 
10
+++++++++-
M
libc/src/sys/qbe-linux/syscall.awk
 | 
5
+++--

2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/libc/src/sys/amd64-sysv-linux/syscall.awk b/libc/src/sys/amd64-sysv-linux/syscall.awk
@@ -1,4 +1,12 @@
+# This job is very easy because app and kernel ABI are identical
+# until the 4th parameter, so we only have to set the syscall
+# number in rax
+
 /^#/	{next}
 	{name=$2 ".s"
-	 printf "%s:\n\tmov\t%d,%%rax\n\tsyscall\n\tret\n",$2, $1 > name
+	 printf ".global %s\n" \
+	        "%s:\n" \
+	        "\tmovq\t$%d,%%rax\n" \
+	        "\tsyscall\n" \
+	        "\tret\n", $2, $2, $1 > name
 	 close(name)}
diff --git a/libc/src/sys/qbe-linux/syscall.awk b/libc/src/sys/qbe-linux/syscall.awk
@@ -4,8 +4,9 @@
 
 /^#/	{next}
 	{name=$2 ".s"
-	 printf "%s:\n" \
+	 printf ".global %s\n" \
+	        "%s:\n" \
 	        "\tmovq\t$%d,%%rax\n" \
 	        "\tsyscall\n" \
-	        "\tret\n",$2, $1 > name
+	        "\tret\n", $2, $2, $1 > name
 	 close(name)}