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Diffstat (limited to 'packages/uclibc/uclibc-0.9.27/thumb-swi.patch')
-rw-r--r--packages/uclibc/uclibc-0.9.27/thumb-swi.patch82
1 files changed, 82 insertions, 0 deletions
diff --git a/packages/uclibc/uclibc-0.9.27/thumb-swi.patch b/packages/uclibc/uclibc-0.9.27/thumb-swi.patch
new file mode 100644
index 0000000000..a6929a9fc5
--- /dev/null
+++ b/packages/uclibc/uclibc-0.9.27/thumb-swi.patch
@@ -0,0 +1,82 @@
+--- 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);