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authorMike Frysinger <vapier@gentoo.org>2006-01-19 10:02:23 +0000
committerMike Frysinger <vapier@gentoo.org>2006-01-19 10:02:23 +0000
commit537494b031b3df4d4861fd83c90302d8d2d9d821 (patch)
treeafd78f28cd113e340ecf5268a8db01e4b2da54dc /libc/sysdeps/linux/sh
parentb83bc367b70aec3c94e85183844a465169cbd333 (diff)
move a bunch of arch-specific checks out of common files and into an arch specific header file to make porting/updates a lot easier
Diffstat (limited to 'libc/sysdeps/linux/sh')
-rw-r--r--libc/sysdeps/linux/sh/bits/uClibc_arch_features.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sh/bits/uClibc_arch_features.h b/libc/sysdeps/linux/sh/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..2c53ce643
--- /dev/null
+++ b/libc/sysdeps/linux/sh/bits/uClibc_arch_features.h
@@ -0,0 +1,39 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+/* instruction used when calling abort() to kill yourself */
+#if defined(__SH5__)
+# define __UCLIBC_ABORT_INSTRUCTION__ "movi 0x10, r9; shori 0xff, r9; trapa r9"
+#elif defined(__sh2__)
+# define __UCLIBC_ABORT_INSTRUCTION__ "trapa #32"
+#else /* defined(__sh__) */
+# define __UCLIBC_ABORT_INSTRUCTION__ "trapa #0xff"
+#endif
+
+/* can your target use syscall6() for mmap ? */
+#define __UCLIBC_MMAP_HAS_6_ARGS__
+
+/* does your target use syscall4() for truncate64 ? (32bit arches only) */
+#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__
+
+/* does your target have a broken create_module() ? */
+#undef __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target prefix all symbols with an _ ? */
+#define __UCLIBC_NO_UNDERSCORES__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* shouldn't need to change these ... */
+#define __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+#define __UCLIBC_ASM_TYPE_DIRECTIVE_PREFIX__
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+#define __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+#define __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */