Merge pull request #2161 from ghaerr/c86lib

[c86 libc] Move ioctl and _lseek to syscall.s for smaller executables
ghaerr · Dec 29, 2024 · 2f2c2e1 · 2f2c2e1
2 parents 7748baa + 8a163ea
commit 2f2c2e1
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Showing 3 changed files with 14 additions and 11 deletions.
diff --git a/libc/c86/c86lib.s b/libc/c86/c86lib.s
@@ -12,8 +12,10 @@
 ;
 ; C86 helper functions
 ;
+        .data
+        .extern ___stacklow     ; lowest protected SP value
+        .text
         .global ___alloca
-        .comm   ___stacklow,2   ; lowest protected SP value
 ___alloca:
         pop     bx              ; ret address
         pop     ax              ; alloca size

diff --git a/libc/c86/syscall.s b/libc/c86/syscall.s
@@ -95,3 +95,14 @@ _open:
 _close:
         mov     ax,#6
         jmp     callsys
+
+        .global __lseek
+__lseek:
+        mov     ax,#19
+        jmp     near callsys
+        .global _ioctl
+
+_ioctl:
+        mov     ax,#54
+        jmp     near callsys
+
diff --git a/libc/c86/syscall2.s b/libc/c86/syscall2.s
@@ -64,11 +64,6 @@ _stat:
         mov     ax,#18
         jmp     near callsys
 
-        .global __lseek
-__lseek:
-        mov     ax,#19
-        jmp     near callsys
-
         .global __getpid
 __getpid:
         mov     ax,#20
@@ -169,11 +164,6 @@ _fcntl:
         mov     ax,#50
         jmp     near callsys
 
-        .global _ioctl
-_ioctl:
-        mov     ax,#54
-        jmp     near callsys
-
         .global _reboot
 _reboot:
         mov     ax,#55