org.handhelds.familiar/packages/uclibc/uclibc-0.9.27/thumb-swi.patch

   1 --- uClibc-0.9.27/.pc/thumb-swi.patch/libc/sysdeps/linux/arm/bits/syscalls.h    2005-01-11 23:59:21.000000000 -0800
   2 +++ uClibc-0.9.27/libc/sysdeps/linux/arm/bits/syscalls.h        2005-08-08 21:04:11.081932985 -0700
   3 @@ -97,6 +97,7 @@
   4  #define INTERNAL_SYSCALL_DECL(err) do { } while (0)
   5
   6  #undef INTERNAL_SYSCALL
   7 +#if !defined(__thumb__)
   8  #define INTERNAL_SYSCALL(name, err, nr, args...)               \
   9    ({ unsigned int _sys_result;                                 \
  10       {                                                         \
  11 @@ -109,6 +110,21 @@
  12         _sys_result = _a1;                                      \
  13       }                                                         \
  14       (int) _sys_result; })
  15 +#else
  16 +#define INTERNAL_SYSCALL(name, err, nr, args...)               \
  17 +  ({ unsigned int _sys_result;                                 \
  18 +     {                                                         \
  19 +       register int _a1 asm ("a1");                            \
  20 +       LOAD_ARGS_##nr (args)                                   \
  21 +       register int _r7 asm ("r7") = (int) (SYS_ify(name));    \
  22 +       asm volatile ("swi      0       @ syscall " #name       \
  23 +                    : "=r" (_a1)                               \
  24 +                    : "r" (_r7) ASM_ARGS_##nr                  \
  25 +                    : "memory");                               \
  26 +       _sys_result = _a1;                                      \
  27 +     }                                                         \
  28 +     (int) _sys_result; })
  29 +#endif
  30
  31  #undef INTERNAL_SYSCALL_ERROR_P
  32  #define INTERNAL_SYSCALL_ERROR_P(val, err) \
  33 --- uClibc-0.9.27/libc/sysdeps/linux/arm/brk.c.orig     2005-01-11 23:59:21.000000000 -0800
  34 +++ uClibc-0.9.27/libc/sysdeps/linux/arm/brk.c  2005-08-09 12:44:56.000000000 -0700
  35 @@ -26,14 +26,7 @@
  36
  37  int brk (void *addr)
  38  {
  39 -    void *newbrk;
  40 -
  41 -    asm ("mov a1, %1\n"        /* save the argment in r0 */
  42 -           "swi %2\n"  /* do the system call */
  43 -           "mov %0, a1;"       /* keep the return value */
  44 -           : "=r"(newbrk)
  45 -           : "r"(addr), "i" (__NR_brk)
  46 -           : "a1");
  47 +    void *newbrk = (void*)INTERNAL_SYSCALL(brk, , 1, addr);
  48
  49      __curbrk = newbrk;
  50
  51 --- uClibc-0.9.27/libc/sysdeps/linux/arm/syscall.c.orig 2005-08-09 12:51:10.681364959 -0700
  52 +++ uClibc-0.9.27/libc/sysdeps/linux/arm/syscall.c      2005-08-09 12:52:43.371197563 -0700
  53 @@ -26,6 +26,7 @@
  54
  55  long syscall(long sysnum, long a, long b, long c, long d, long e, long f)
  56  {
  57 +#if !defined(__thumb__)
  58         register long _r0 asm("r0")=(long)(sysnum);
  59         register long _r6 asm("r6")=(long)(f);
  60         register long _r5 asm("r5")=(long)(e);
  61 @@ -40,6 +41,21 @@
  62                         "r"(_r2), "r"(_r3), "r"(_r4), "r"(_r5),
  63                         "r"(_r6)
  64                         : "memory");
  65 +#else
  66 +       register long _r7 asm("r7")=(long)(sysnum);
  67 +       register long _r5 asm("r5")=(long)(f);
  68 +       register long _r4 asm("r4")=(long)(e);
  69 +       register long _r3 asm("r3")=(long)(d);
  70 +       register long _r2 asm("r2")=(long)(c);
  71 +       register long _r1 asm("r1")=(long)(b);
  72 +       register long _r0 asm("r0")=(long)(a);
  73 +       asm volatile(
  74 +                       "swi 0"
  75 +                       : "=r"(_r0)
  76 +                       : "r"(_r0), "r"(_r1), "r"(_r2), "r"(_r3),
  77 +                       "r"(_r4), "r"(_r5), "r"(_r7)
  78 +                       : "memory");
  79 +#endif
  80         if(_r0 >=(unsigned long) -4095) {
  81                 long err = _r0;
  82                 (*__errno_location())=(-err);