Merge from trunk.

2 files changed, 89 insertions, 3 deletions

diff --git a/libc/sysdeps/linux/i386/bits/syscalls.h b/libc/sysdeps/linux/i386/bits/syscalls.h
index 6ad3b1dd9..857491f06 100644
--- a/libc/sysdeps/linux/i386/bits/syscalls.h
+++ b/libc/sysdeps/linux/i386/bits/syscalls.h
@@ -20,7 +20,13 @@
 
 /* We need some help from the assembler to generate optimal code.  We
    define some macros here which later will be used.  */
-asm (".L__X'%ebx = 1\n\t"
+
+#if defined  __SUPPORT_LD_DEBUG__ && defined __DOMULTI__
+#error LD debugging and DOMULTI are incompatible
+#endif
+
+#ifdef __DOMULTI__
+__asm__ (".L__X'%ebx = 1\n\t"
      ".L__X'%ecx = 2\n\t"
      ".L__X'%edx = 2\n\t"
      ".L__X'%eax = 3\n\t"
@@ -56,7 +62,41 @@ asm (".L__X'%ebx = 1\n\t"
      ".endif\n\t"
      ".endm\n\t"
      ".endif\n\t");
-
+#else
+__asm__ (".L__X'%ebx = 1\n\t"
+     ".L__X'%ecx = 2\n\t"
+     ".L__X'%edx = 2\n\t"
+     ".L__X'%eax = 3\n\t"
+     ".L__X'%esi = 3\n\t"
+     ".L__X'%edi = 3\n\t"
+     ".L__X'%ebp = 3\n\t"
+     ".L__X'%esp = 3\n\t"
+     ".macro bpushl name reg\n\t"
+     ".if 1 - \\name\n\t"
+     ".if 2 - \\name\n\t"
+     "pushl %ebx\n\t"
+     ".else\n\t"
+     "xchgl \\reg, %ebx\n\t"
+     ".endif\n\t"
+     ".endif\n\t"
+     ".endm\n\t"
+     ".macro bpopl name reg\n\t"
+     ".if 1 - \\name\n\t"
+     ".if 2 - \\name\n\t"
+     "popl %ebx\n\t"
+     ".else\n\t"
+     "xchgl \\reg, %ebx\n\t"
+     ".endif\n\t"
+     ".endif\n\t"
+     ".endm\n\t"
+     ".macro bmovl name reg\n\t"
+     ".if 1 - \\name\n\t"
+     ".if 2 - \\name\n\t"
+     "movl \\reg, %ebx\n\t"
+     ".endif\n\t"
+     ".endif\n\t"
+     ".endm\n\t");
+#endif
 
 #undef _syscall0
 #define _syscall0(type,name) \
@@ -112,7 +152,7 @@ return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \
 #define INLINE_SYSCALL(name, nr, args...) \
   ({									      \
     unsigned int resultvar;						      \
-    asm volatile (							      \
+    __asm__ __volatile__ (							      \
     LOADARGS_##nr							      \
     "movl %1, %%eax\n\t"						      \
     "int $0x80\n\t"							      \
diff --git a/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h b/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..718ab2a9c
--- /dev/null
+++ b/libc/sysdeps/linux/i386/bits/uClibc_arch_features.h
@@ -0,0 +1,46 @@
+/*
+ * 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 ? */
+#undef __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() ? */
+#define __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#define __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* 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__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* needed probably only for ppc64 */
+#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+#define internal_function __attribute__ ((regparm (3), stdcall))
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */