diff options
Diffstat (limited to 'arm-riscos-gnueabi/recipes/patches/gccsdk/unixlib-armv4.p')
| -rw-r--r-- | arm-riscos-gnueabi/recipes/patches/gccsdk/unixlib-armv4.p | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arm-riscos-gnueabi/recipes/patches/gccsdk/unixlib-armv4.p b/arm-riscos-gnueabi/recipes/patches/gccsdk/unixlib-armv4.p new file mode 100644 index 0000000..1343d13 --- /dev/null +++ b/arm-riscos-gnueabi/recipes/patches/gccsdk/unixlib-armv4.p @@ -0,0 +1,80 @@ +Index: libunixlib/gcccompat/atomics.c +=================================================================== +--- libunixlib/gcccompat/atomics.c (revision 7698) ++++ libunixlib/gcccompat/atomics.c (working copy) +@@ -378,7 +378,7 @@ + ATOMIC_OP_FETCH(or,(*ptr) |= val,unsigned) + ATOMIC_OP_FETCH(nand,(*ptr) = ~((*ptr) & val),unsigned) + +-#ifdef __ARM_EABI__ ++#if defined(__ARM_EABI__) && defined(__ARM_ARCH) && (__ARM_ARCH >= 6) + + static int __cmpxchg (int oldval, int newval, volatile int *ptr) + { +Index: libunixlib/pthread/_ints.s +=================================================================== +--- libunixlib/pthread/_ints.s (revision 7698) ++++ libunixlib/pthread/_ints.s (working copy) +@@ -14,6 +14,15 @@ + .protected __pthread_enable_ints + .global __pthread_protect_unsafe + ++#if defined(__ARM_ARCH) && (__ARM_ARCH__ < 6) ++ /* Modern gas objects to our runtime-conditional use of LDREX/STREX ++ * in here. If we're building for pre-armv6 architectures, tell gas ++ * that to allow armv6 instructions, but mark the resulting object ++ * as armv4 compatible. */ ++ .arch armv6 ++ .object_arch armv4 ++#endif ++ + @ Disable context switches by incrementing the semaphore + @ May be called from USR or SVC mode + NAME __pthread_disable_ints +@@ -23,7 +32,7 @@ + LDR a1, .L0 @ =__ul_global + PICEQ "LDR a1, [a2, a1]" + LDR ip, [a1, #GBL_PTH_CALLEVERY_RMA] +-#ifdef __ARM_EABI__ ++#if defined(__ARM_EABI__) && defined(__ARM_ARCH) && (__ARM_ARCH >= 6) + ADD a1, ip, #PTHREAD_CALLEVERY_RMA_WORKSEMAPHORE + #else + LDR a4, [a1, #GBL_CPU_FLAGS] +@@ -93,7 +102,7 @@ + LDR a4, .L2 @ =__ul_global + PICEQ "LDR a4, [a1, a4]" + LDR ip, [a4, #GBL_PTH_CALLEVERY_RMA] +-#ifdef __ARM_EABI__ ++#if defined(__ARM_EABI__) && defined(__ARM_ARCH) && (__ARM_ARCH >= 6) + ADD a1, ip, #PTHREAD_CALLEVERY_RMA_WORKSEMAPHORE + #else + LDR a2, [a4, #GBL_CPU_FLAGS] +Index: libunixlib/sys/_syslib.s +=================================================================== +--- libunixlib/sys/_syslib.s (revision 7698) ++++ libunixlib/sys/_syslib.s (working copy) +@@ -49,6 +49,15 @@ + .weak __dynamic_da_max_size + .weak __stack_size + ++#if defined(__ARM_ARCH) && (__ARM_ARCH__ < 6) ++ /* Modern gas objects to our runtime-conditional use of LDREX/STREX ++ * in here. If we're building for pre-armv6 architectures, tell gas ++ * that to allow armv6 instructions, but mark the resulting object ++ * as armv4 compatible. */ ++ .arch armv6 ++ .object_arch armv4 ++#endif ++ + @ RMEnsure the minimum version of the SharedUnixLibrary we need. + @ Now check System modules first as UnixLib package is deprecated. + #if !defined(__SOFTFP__) && defined(__VFP_FP__) +@@ -1414,7 +1423,7 @@ + @ we go for a straight OS_Exit scenario. Anything better we + @ can do ? + ADD a3, a4, #GBL_PANIC_MODE +-#ifndef __ARM_EABI__ ++#if !defined(__ARM_EABI__) || !defined(__ARM_ARCH) || (__ARM_ARCH < 6) + LDR a2, [a4, #GBL_CPU_FLAGS] + TST a2, #__CPUCAP_HAVE_SWP + BEQ 0f |