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--- uClibc-0.9.27/.pc/thumb-swi.patch/libc/sysdeps/linux/arm/bits/syscalls.h 2005-01-11 23:59:21.000000000 -0800
+++ uClibc-0.9.27/libc/sysdeps/linux/arm/bits/syscalls.h 2005-08-08 21:04:11.081932985 -0700
@@ -97,6 +97,7 @@
#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
#undef INTERNAL_SYSCALL
+#if !defined(__thumb__)
#define INTERNAL_SYSCALL(name, err, nr, args...) \
({ unsigned int _sys_result; \
{ \
@@ -109,6 +110,21 @@
_sys_result = _a1; \
} \
(int) _sys_result; })
+#else
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+ ({ unsigned int _sys_result; \
+ { \
+ register int _a1 asm ("a1"); \
+ LOAD_ARGS_##nr (args) \
+ register int _r7 asm ("r7") = (int) (SYS_ify(name)); \
+ asm volatile ("swi 0 @ syscall " #name \
+ : "=r" (_a1) \
+ : "r" (_r7) ASM_ARGS_##nr \
+ : "memory"); \
+ _sys_result = _a1; \
+ } \
+ (int) _sys_result; })
+#endif
#undef INTERNAL_SYSCALL_ERROR_P
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
--- uClibc-0.9.27/libc/sysdeps/linux/arm/brk.c.orig 2005-01-11 23:59:21.000000000 -0800
+++ uClibc-0.9.27/libc/sysdeps/linux/arm/brk.c 2005-08-09 12:44:56.000000000 -0700
@@ -26,14 +26,7 @@
int brk (void *addr)
{
- void *newbrk;
-
- asm ("mov a1, %1\n" /* save the argment in r0 */
- "swi %2\n" /* do the system call */
- "mov %0, a1;" /* keep the return value */
- : "=r"(newbrk)
- : "r"(addr), "i" (__NR_brk)
- : "a1");
+ void *newbrk = (void*)INTERNAL_SYSCALL(brk, , 1, addr);
__curbrk = newbrk;
--- uClibc-0.9.27/libc/sysdeps/linux/arm/syscall.c.orig 2005-08-09 12:51:10.681364959 -0700
+++ uClibc-0.9.27/libc/sysdeps/linux/arm/syscall.c 2005-08-09 12:52:43.371197563 -0700
@@ -26,6 +26,7 @@
long syscall(long sysnum, long a, long b, long c, long d, long e, long f)
{
+#if !defined(__thumb__)
register long _r0 asm("r0")=(long)(sysnum);
register long _r6 asm("r6")=(long)(f);
register long _r5 asm("r5")=(long)(e);
@@ -40,6 +41,21 @@
"r"(_r2), "r"(_r3), "r"(_r4), "r"(_r5),
"r"(_r6)
: "memory");
+#else
+ register long _r7 asm("r7")=(long)(sysnum);
+ register long _r5 asm("r5")=(long)(f);
+ register long _r4 asm("r4")=(long)(e);
+ register long _r3 asm("r3")=(long)(d);
+ register long _r2 asm("r2")=(long)(c);
+ register long _r1 asm("r1")=(long)(b);
+ register long _r0 asm("r0")=(long)(a);
+ asm volatile(
+ "swi 0"
+ : "=r"(_r0)
+ : "r"(_r0), "r"(_r1), "r"(_r2), "r"(_r3),
+ "r"(_r4), "r"(_r5), "r"(_r7)
+ : "memory");
+#endif
if(_r0 >=(unsigned long) -4095) {
long err = _r0;
(*__errno_location())=(-err);
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