Update.

2004-03-10  Richard Henderson  <rth@redhat.com>

	* sysdeps/generic/errno.c: Disable versioning for rtld.

	* sysdeps/generic/Makefile (elf/shared): Add unwind-pe.
	* sysdeps/generic/unwind-pe.c: New file.
	* sysdeps/generic/unwind-pe.h: Only prototypes for _LIBC without
	_LIBC_DEFINITIONS.

	* posix/regexec.c: Likewise.

ChangeLog

@@ -1,3 +1,12 @@
+2004-03-10  Richard Henderson  <rth@redhat.com>
+
+	* sysdeps/generic/errno.c: Disable versioning for rtld.
+
+	* sysdeps/generic/Makefile (elf/shared): Add unwind-pe.
+	* sysdeps/generic/unwind-pe.c: New file.
+	* sysdeps/generic/unwind-pe.h: Only prototypes for _LIBC without
+	_LIBC_DEFINITIONS.
+
 2004-03-10  Ulrich Drepper  <drepper@redhat.com>
 
 	* include/libc-symbols.h: Define attribute_compat_text_section and
@@ -35,6 +44,7 @@
 	* sysdeps/unix/sysv/linux/i386/semctl.c: Likewise.
 	* sysdeps/unix/sysv/linux/i386/shmctl.c: Likewise.
 	* sysdeps/unix/sysv/linux/i386/versionsort64.c: Likewise.
+	* posix/regexec.c: Likewise.
 
 	* sysdeps/unix/sysv/linux/i386/syscalls.list: vm86@@GLIBC_2.3.4
 	should be the default symbol. Having none misses the point.

posix/regexec.c

@@ -247,6 +247,7 @@ versioned_symbol (libc, __regexec, regexec, GLIBC_2_3_4);
 __typeof__ (__regexec) __compat_regexec;
 
 int
+attribute_compat_text_section
 __compat_regexec (const regex_t *__restrict preg,
 		  const char *__restrict string, size_t nmatch,
 		  regmatch_t pmatch[], int eflags)

sysdeps/generic/Makefile

@@ -38,7 +38,7 @@ endif
 ifeq ($(subdir),elf)
 ifeq (yes:yes,$(build-shared):$(unwind-find-fde))
 # This is needed to support g++ v2 and v3.
-sysdep_routines += framestate
+sysdep_routines += framestate unwind-pe
-shared-only-routines += framestate
+shared-only-routines += framestate unwind-pe
 endif
 endif

sysdeps/generic/errno.c

@@ -32,9 +32,11 @@ extern __thread int __libc_errno __attribute__ ((alias ("errno")))
 int errno __attribute__ ((section (".bss")));
 strong_alias (errno, _errno)
 
-/* We declare these with compat_symbol so that they are not
+/* We declare these with compat_symbol so that they are not visible at
-   visible at link time.  Programs must use the accessor functions.  */
+   link time.  Programs must use the accessor functions.  RTLD is special,
-# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING
+   since it's not exported from there at any time.  */
+# if defined HAVE_ELF && defined SHARED && defined DO_VERSIONING \
+     && !defined IS_IN_rtld
 #  include <shlib-compat.h>
 compat_symbol (libc, errno, errno, GLIBC_2_0);
 compat_symbol (libc, _errno, _errno, GLIBC_2_0);

sysdeps/generic/unwind-pe.c

@@ -0,0 +1,5 @@
+#include <stdlib.h>
+#include <unwind.h>
+
+#define _LIBC_DEFINITIONS
+#include "unwind-pe.h"

sysdeps/generic/unwind-pe.h

@@ -52,23 +52,43 @@
 #define DW_EH_PE_indirect	0x80
 
 
-#if defined(_LIBC) && !defined(NO_BASE_OF_ENCODED_VALUE)
+#if defined(_LIBC)
+
 /* Prototypes.  */
-extern unsigned int size_of_encoded_value (unsigned char encoding);
+extern unsigned int size_of_encoded_value (unsigned char encoding)
+  attribute_hidden;
+
 extern const unsigned char *read_encoded_value_with_base
   (unsigned char encoding, _Unwind_Ptr base,
-   const unsigned char *p, _Unwind_Ptr *val);
+   const unsigned char *p, _Unwind_Ptr *val)
+  attribute_hidden;
 
+extern const unsigned char * read_encoded_value
+  (struct _Unwind_Context *context, unsigned char encoding,
+   const unsigned char *p, _Unwind_Ptr *val)
+  attribute_hidden;
+
+extern const unsigned char * read_uleb128 (const unsigned char *p,
+					   _Unwind_Word *val)
+  attribute_hidden;
+extern const unsigned char * read_sleb128 (const unsigned char *p,
+					   _Unwind_Sword *val)
+  attribute_hidden;
+
+#endif
+#if defined(_LIBC) && defined(_LIBC_DEFINITIONS)
+
+#ifdef _LIBC
+#define STATIC
 #else
+#define STATIC static
+#endif
 
 /* Given an encoding, return the number of bytes the format occupies.
    This is only defined for fixed-size encodings, and so does not
    include leb128.  */
 
-# ifndef _LIBC
+STATIC unsigned int
-static
-# endif
-unsigned int
 size_of_encoded_value (unsigned char encoding)
 {
   if (encoding == DW_EH_PE_omit)
@@ -87,7 +107,6 @@ size_of_encoded_value (unsigned char encoding)
     }
   __gxx_abort ();
 }
-#endif
 
 #ifndef NO_BASE_OF_ENCODED_VALUE
 
@@ -96,7 +115,7 @@ size_of_encoded_value (unsigned char encoding)
    read_encoded_value_with_base for use when the _Unwind_Context is
    not available.  */
 
-static _Unwind_Ptr
+STATIC _Unwind_Ptr
 base_of_encoded_value (unsigned char encoding, struct _Unwind_Context *context)
 {
   if (encoding == DW_EH_PE_omit)
@@ -126,7 +145,7 @@ base_of_encoded_value (unsigned char encoding, struct _Unwind_Context *context)
    hold any value so encoded; if it is smaller than a pointer on some target,
    pointers should not be leb128 encoded on that target.  */
 
-static const unsigned char *
+STATIC const unsigned char *
 read_uleb128 (const unsigned char *p, _Unwind_Word *val)
 {
   unsigned int shift = 0;
@@ -148,7 +167,7 @@ read_uleb128 (const unsigned char *p, _Unwind_Word *val)
 
 /* Similar, but read a signed leb128 value.  */
 
-static const unsigned char *
+STATIC const unsigned char *
 read_sleb128 (const unsigned char *p, _Unwind_Sword *val)
 {
   unsigned int shift = 0;
@@ -172,15 +191,11 @@ read_sleb128 (const unsigned char *p, _Unwind_Sword *val)
   return p;
 }
 
-#if !(defined(_LIBC) && !defined(NO_BASE_OF_ENCODED_VALUE))
 /* Load an encoded value from memory at P.  The value is returned in VAL;
    The function returns P incremented past the value.  BASE is as given
    by base_of_encoded_value for this encoding in the appropriate context.  */
 
-# ifndef _LIBC
+STATIC const unsigned char *
-static
-# endif
-const unsigned char *
 read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base,
 			      const unsigned char *p, _Unwind_Ptr *val)
 {
@@ -272,14 +287,13 @@ read_encoded_value_with_base (unsigned char encoding, _Unwind_Ptr base,
   *val = result;
   return p;
 }
-#endif
 
 #ifndef NO_BASE_OF_ENCODED_VALUE
 
 /* Like read_encoded_value_with_base, but get the base from the context
    rather than providing it directly.  */
 
-static inline const unsigned char *
+STATIC const unsigned char *
 read_encoded_value (struct _Unwind_Context *context, unsigned char encoding,
 		    const unsigned char *p, _Unwind_Ptr *val)
 {
@@ -289,3 +303,4 @@ read_encoded_value (struct _Unwind_Context *context, unsigned char encoding,
 }
 
 #endif
+#endif /* _LIBC */