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

1 files changed, 33 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/x86_64/bits/uClibc_arch_features.h b/libc/sysdeps/linux/x86_64/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..1675aba20
--- /dev/null
+++ b/libc/sysdeps/linux/x86_64/bits/uClibc_arch_features.h
@@ -0,0 +1,33 @@
+/*
+ * 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 */
+#define __UCLIBC_ABORT_INSTRUCTION__ "hlt"
+
+/* 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 */