diff options
Diffstat (limited to 'packages/uclibc/uclibc-0.9.27/thumb-swi.patch')
-rw-r--r-- | packages/uclibc/uclibc-0.9.27/thumb-swi.patch | 82 |
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); |