[hackers] [scc] [libc] Fix sys assembly generating awk script || Quentin Rameau

[git]

commit 5b0a7f2d9d0a0a08a898e3937c780c25be43c032
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Mon Mar 20 17:54:05 2017 +0100
Commit:     Quentin Rameau <quinq@fifth.space>
CommitDate: Tue Mar 21 12:07:54 2017 +0100

    [libc] Fix sys assembly generating awk script
    
    We forgot to export symbols

diff --git a/libc/src/sys/amd64-sysv-linux/syscall.awk 
b/libc/src/sys/amd64-sysv-linux/syscall.awk
index 9a4110d..c82bb71 100644
--- 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
index 80b73bd..c82bb71 100644
--- 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)}