BUG W/PATCH - libgloss/arm/linux-syscalls0.S - wrongly assumes thumb mode.

[Duane Ellis]

Duane Ellis wrote:
> Below is a patch to fix a build problem with Newlib 1.15.0.
Whoops - the diff I generated is backwards (ie: diff OLD NEW vrs diff 
NEW OLD)

Here's the fix version

-Duane.

diff -Naur newlib-1.15.0/libgloss/arm/linux-syscalls0.S 
newlib-1.15.0-ARM-LINUX-SYSCALLFIX/libgloss/arm/linux-syscalls0.S
--- newlib-1.15.0/libgloss/arm/linux-syscalls0.S    2006-10-03 
12:33:50.000000000 -0400
+++ newlib-1.15.0-ARM-LINUX-SYSCALLFIX/libgloss/arm/linux-syscalls0.S    
2007-03-20 12:50:13.000000000 -0400
@@ -68,11 +68,11 @@
 
 # define SYSCALL6(name) \
     GLOBAL(_ ## name); \
-    push { r4 - r5 }; \
+    stmfd sp!,{ r4 - r5 }; \
     ldr r4, [sp, #8]; \
     ldr r5, [sp, #12]; \
     swi #SYS_ ## name; \
-    pop { r4 - r5 }; \
+    ldmfd sp!,{ r4 - r5 }; \
     b _set_errno; \
     SIZE(_ ## name)
 
@@ -190,19 +190,37 @@
 ALIAS(vfork)
 ALIAS(wait4)
 
+#if __thumb__   
 # define SOCKETCALL(name, NAME) \
     GLOBAL(name); \
     push { r0 - r3 }; \
     mov r0, #SYS_ ## NAME; \
     b _socketcall_tail; \
     SIZE(name)
-
+#else
+# define SOCKETCALL(name, NAME) \
+    GLOBAL(name); \
+    stmfd sp!,{ r0 - r3 }; \
+    mov r0, #SYS_ ## NAME; \
+    b _socketcall_tail; \
+    SIZE(name)
+#endif
+       
 FUNC(_socketcall_tail)
     mov r1, sp
+#if __thumb__
     push { lr }
+#else
+    stmfd    sp!,{lr}
+#endif
     bl _socketcall
+#if __thumb__
     pop { r3 }
     add sp, #16
+#else
+    ldmfd    sp!,{r3}
+    add sp,sp,#16
+#endif
 #if defined(__ARM_ARCH_2__) || defined(__ARM_ARCH_3__) \
     || defined(__ARM_ARCH_3M__) || defined(__ARM_ARCH_4__)
     mov pc, r3
diff -Naur newlib-1.15.0/libgloss/ChangeLog 
newlib-1.15.0-ARM-LINUX-SYSCALLFIX/libgloss/ChangeLog
--- newlib-1.15.0/libgloss/ChangeLog    2006-12-18 16:48:18.000000000 -0500
+++ newlib-1.15.0-ARM-LINUX-SYSCALLFIX/libgloss/ChangeLog    2007-03-20 
13:22:43.000000000 -0400
@@ -1,3 +1,8 @@
+2007-03-20  duane ellis  <duane-newlib@duaneellis.com>
+
+    * arm/linux-syscalls0.S - Fix: Wrongly uses THUMB
+    instructions in various macros.
+
 2006-12-18  Kazu Hirata  <kazu@codesourcery.com>
 
     Merge from newlib-csl-20060320-branch: