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authorWaldemar Brodkorb <wbx@openadk.org>2011-04-27 10:27:09 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2011-04-27 10:27:09 +0200
commit63c6929d36e5b5802c0983932a3d69e23f330bb5 (patch)
tree57de1bd67fa01fb35ced66d8907fd926c66adfe5 /toolchain/uClibc
parentc4ef12b64426763670dcae46219b766ba2f490cd (diff)
fix allconfig for foxg20
Diffstat (limited to 'toolchain/uClibc')
-rw-r--r--toolchain/uClibc/patches/cris-vfork.patch49
-rw-r--r--toolchain/uClibc/patches/uClibc-26042011-git.patch2506
2 files changed, 2506 insertions, 49 deletions
diff --git a/toolchain/uClibc/patches/cris-vfork.patch b/toolchain/uClibc/patches/cris-vfork.patch
deleted file mode 100644
index 8e0faa2f3..000000000
--- a/toolchain/uClibc/patches/cris-vfork.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-diff -Nur uClibc-0.9.32-rc2.orig/libc/sysdeps/linux/cris/Makefile.arch uClibc-0.9.32-rc2/libc/sysdeps/linux/cris/Makefile.arch
---- uClibc-0.9.32-rc2.orig/libc/sysdeps/linux/cris/Makefile.arch 2011-01-20 15:49:47.000000000 +0100
-+++ uClibc-0.9.32-rc2/libc/sysdeps/linux/cris/Makefile.arch 2011-02-07 23:01:26.000000000 +0100
-@@ -7,7 +7,7 @@
-
- CSRC := __init_brk.c brk.c sbrk.c
-
--SSRC := setjmp.S __longjmp.S clone.S sysdep.S syscall.S
-+SSRC := setjmp.S __longjmp.S clone.S sysdep.S syscall.S vfork.S
- ifeq ($(UNIFIED_SYSCALL),y)
- SSRC += __uClibc_syscall.S
- endif
-diff -Nur uClibc-0.9.32-rc2.orig/libc/sysdeps/linux/cris/vfork.S uClibc-0.9.32-rc2/libc/sysdeps/linux/cris/vfork.S
---- uClibc-0.9.32-rc2.orig/libc/sysdeps/linux/cris/vfork.S 1970-01-01 01:00:00.000000000 +0100
-+++ uClibc-0.9.32-rc2/libc/sysdeps/linux/cris/vfork.S 2011-02-08 00:39:10.000000000 +0100
-@@ -0,0 +1,33 @@
-+/*
-+ * vfork.S
-+ *
-+ * On cris, r9 contains the syscall number (set by generated stub);
-+ * r10..r13 contain arguments 0-3 per the standard calling convention.
-+ * The return address is in $srp; so we just need to avoid the stack
-+ * usage of the normal syscall stubs.
-+ */
-+
-+#include <asm/unistd.h>
-+#include <sys/syscall.h>
-+
-+ .section ".text","ax"
-+ .balign 4
-+ .globl __vfork
-+ .type __vfork,@function
-+__vfork:
-+ move.d __NR_vfork, $r9
-+ break 13
-+
-+ cmps.w -4096,$r10
-+ blo 1f
-+ neg.d $r10,$r11
-+ move.d $r11,[errno]
-+ moveq -1,$r10
-+1:
-+ ret
-+ nop
-+
-+ .size __vfork,.-__vfork
-+
-+weak_alias(__vfork,vfork)
-+libc_hidden_weak(vfork)
diff --git a/toolchain/uClibc/patches/uClibc-26042011-git.patch b/toolchain/uClibc/patches/uClibc-26042011-git.patch
new file mode 100644
index 000000000..bbf4d06f0
--- /dev/null
+++ b/toolchain/uClibc/patches/uClibc-26042011-git.patch
@@ -0,0 +1,2506 @@
+diff -Nur uClibc-0.9.32-rc3/extra/Configs/Config.in uClibc/extra/Configs/Config.in
+--- uClibc-0.9.32-rc3/extra/Configs/Config.in 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/extra/Configs/Config.in 2011-04-26 16:18:21.707661578 +0200
+@@ -1898,6 +1898,18 @@
+ This interface is rarely used, and adds around 4.5k. Unless you have
+ a pressing need for ftw(), you should probably answer N.
+
++config UCLIBC_HAS_FTS
++ bool "Support the fts() interface (bsd-compat)"
++ default n
++ help
++ The fts functions are provided for traversing UNIX file hierarchies.
++
++ This interface is currently used by the elfutils and adds
++ around 7.5k.
++ You should port your application to use the POSIX nftw()
++ interface.
++
++ Unless you need to build/use elfutils, you should prolly answer N.
+
+ config UCLIBC_HAS_GLOB
+ bool "Support the glob() interface"
+@@ -2322,7 +2334,7 @@
+
+ config UCLIBC_HAS_BACKTRACE
+ bool "Add support for application self-debugging"
+- depends on HAVE_SHARED && TARGET_sh
++ depends on HAVE_SHARED
+ default n
+ help
+ Answer Y here to compile support for application self-debugging, by adding
+diff -Nur uClibc-0.9.32-rc3/include/fts.h uClibc/include/fts.h
+--- uClibc-0.9.32-rc3/include/fts.h 1970-01-01 01:00:00.000000000 +0100
++++ uClibc/include/fts.h 2011-04-26 16:18:21.727663221 +0200
+@@ -0,0 +1,131 @@
++/*
++ * Copyright (c) 1989, 1993
++ * The Regents of the University of California. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ * 4. Neither the name of the University nor the names of its contributors
++ * may be used to endorse or promote products derived from this software
++ * without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ *
++ * @(#)fts.h 8.3 (Berkeley) 8/14/94
++ */
++
++#ifndef _FTS_H
++#define _FTS_H 1
++
++#include <features.h>
++#include <sys/types.h>
++
++/* The fts interface is incompatible with the LFS interface which
++ transparently uses the 64-bit file access functions. */
++#ifdef __USE_FILE_OFFSET64
++# error "<fts.h> cannot be used with -D_FILE_OFFSET_BITS==64"
++#endif
++
++
++typedef struct {
++ struct _ftsent *fts_cur; /* current node */
++ struct _ftsent *fts_child; /* linked list of children */
++ struct _ftsent **fts_array; /* sort array */
++ dev_t fts_dev; /* starting device # */
++ char *fts_path; /* path for this descent */
++ int fts_rfd; /* fd for root */
++ int fts_pathlen; /* sizeof(path) */
++ int fts_nitems; /* elements in the sort array */
++ int (*fts_compar) (const void *, const void *); /* compare fn */
++
++#define FTS_COMFOLLOW 0x0001 /* follow command line symlinks */
++#define FTS_LOGICAL 0x0002 /* logical walk */
++#define FTS_NOCHDIR 0x0004 /* don't change directories */
++#define FTS_NOSTAT 0x0008 /* don't get stat info */
++#define FTS_PHYSICAL 0x0010 /* physical walk */
++#define FTS_SEEDOT 0x0020 /* return dot and dot-dot */
++#define FTS_XDEV 0x0040 /* don't cross devices */
++#define FTS_WHITEOUT 0x0080 /* return whiteout information */
++#define FTS_OPTIONMASK 0x00ff /* valid user option mask */
++
++#define FTS_NAMEONLY 0x0100 /* (private) child names only */
++#define FTS_STOP 0x0200 /* (private) unrecoverable error */
++ int fts_options; /* fts_open options, global flags */
++} FTS;
++
++typedef struct _ftsent {
++ struct _ftsent *fts_cycle; /* cycle node */
++ struct _ftsent *fts_parent; /* parent directory */
++ struct _ftsent *fts_link; /* next file in directory */
++ long fts_number; /* local numeric value */
++ void *fts_pointer; /* local address value */
++ char *fts_accpath; /* access path */
++ char *fts_path; /* root path */
++ int fts_errno; /* errno for this node */
++ int fts_symfd; /* fd for symlink */
++ u_short fts_pathlen; /* strlen(fts_path) */
++ u_short fts_namelen; /* strlen(fts_name) */
++
++ ino_t fts_ino; /* inode */
++ dev_t fts_dev; /* device */
++ nlink_t fts_nlink; /* link count */
++
++#define FTS_ROOTPARENTLEVEL -1
++#define FTS_ROOTLEVEL 0
++ short fts_level; /* depth (-1 to N) */
++
++#define FTS_D 1 /* preorder directory */
++#define FTS_DC 2 /* directory that causes cycles */
++#define FTS_DEFAULT 3 /* none of the above */
++#define FTS_DNR 4 /* unreadable directory */
++#define FTS_DOT 5 /* dot or dot-dot */
++#define FTS_DP 6 /* postorder directory */
++#define FTS_ERR 7 /* error; errno is set */
++#define FTS_F 8 /* regular file */
++#define FTS_INIT 9 /* initialized only */
++#define FTS_NS 10 /* stat(2) failed */
++#define FTS_NSOK 11 /* no stat(2) requested */
++#define FTS_SL 12 /* symbolic link */
++#define FTS_SLNONE 13 /* symbolic link without target */
++#define FTS_W 14 /* whiteout object */
++ u_short fts_info; /* user flags for FTSENT structure */
++
++#define FTS_DONTCHDIR 0x01 /* don't chdir .. to the parent */
++#define FTS_SYMFOLLOW 0x02 /* followed a symlink to get here */
++ u_short fts_flags; /* private flags for FTSENT structure */
++
++#define FTS_AGAIN 1 /* read node again */
++#define FTS_FOLLOW 2 /* follow symbolic link */
++#define FTS_NOINSTR 3 /* no instructions */
++#define FTS_SKIP 4 /* discard node */
++ u_short fts_instr; /* fts_set() instructions */
++
++ struct stat *fts_statp; /* stat(2) information */
++ char fts_name[1]; /* file name */
++} FTSENT;
++
++__BEGIN_DECLS
++FTSENT *fts_children (FTS *, int);
++int fts_close (FTS *);
++FTS *fts_open (char * const *, int,
++ int (*)(const FTSENT **, const FTSENT **));
++FTSENT *fts_read (FTS *);
++int fts_set (FTS *, FTSENT *, int) __THROW;
++__END_DECLS
++
++#endif /* fts.h */
+diff -Nur uClibc-0.9.32-rc3/ldso/include/dl-elf.h uClibc/ldso/include/dl-elf.h
+--- uClibc-0.9.32-rc3/ldso/include/dl-elf.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/include/dl-elf.h 2011-04-26 16:18:21.747664948 +0200
+@@ -184,7 +184,7 @@
+ ADJUST_DYN_INFO(DT_DSBT_BASE_IDX, load_off);
+
+ /* Initialize loadmap dsbt info. */
+- load_off.map->dsbt_table = dynamic_info[DT_DSBT_BASE_IDX];
++ load_off.map->dsbt_table = (void *)dynamic_info[DT_DSBT_BASE_IDX];
+ load_off.map->dsbt_size = dynamic_info[DT_DSBT_SIZE_IDX];
+ load_off.map->dsbt_index = dynamic_info[DT_DSBT_INDEX_IDX];
+ #endif
+diff -Nur uClibc-0.9.32-rc3/ldso/include/ldso.h uClibc/ldso/include/ldso.h
+--- uClibc-0.9.32-rc3/ldso/include/ldso.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/include/ldso.h 2011-04-26 16:18:21.747664948 +0200
+@@ -34,6 +34,8 @@
+ #include <sys/types.h>
+ /* Pull in the arch specific page size */
+ #include <bits/uClibc_page.h>
++/* Pull in the MIN macro */
++#include <sys/param.h>
+ /* Pull in the ldso syscalls and string functions */
+ #ifndef __ARCH_HAS_NO_SHARED__
+ #include <dl-syscall.h>
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/bfin/dl-inlines.h uClibc/ldso/ldso/bfin/dl-inlines.h
+--- uClibc-0.9.32-rc3/ldso/ldso/bfin/dl-inlines.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/bfin/dl-inlines.h 2011-04-26 16:18:21.747664948 +0200
+@@ -88,14 +88,39 @@
+ segdata->p_memsz = phdr->p_memsz;
+
+ #if defined (__SUPPORT_LD_DEBUG__)
+- {
+- extern char *_dl_debug;
+- extern int _dl_debug_file;
+- if (_dl_debug)
+- _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n",
+- loadaddr.map->nsegs-1,
+- segdata->p_vaddr, segdata->addr, segdata->p_memsz);
+- }
++ if (_dl_debug)
++ _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n",
++ loadaddr.map->nsegs-1,
++ segdata->p_vaddr, segdata->addr, segdata->p_memsz);
++#endif
++}
++
++/* Replace an existing entry in the load map. */
++static __always_inline void
++__dl_update_loadaddr_hdr (struct elf32_fdpic_loadaddr loadaddr, void *addr,
++ Elf32_Phdr *phdr)
++{
++ struct elf32_fdpic_loadseg *segdata;
++ void *oldaddr;
++ int i;
++
++ for (i = 0; i < loadaddr.map->nsegs; i++)
++ if (loadaddr.map->segs[i].p_vaddr == phdr->p_vaddr
++ && loadaddr.map->segs[i].p_memsz == phdr->p_memsz)
++ break;
++ if (i == loadaddr.map->nsegs)
++ _dl_exit (-1);
++
++ segdata = loadaddr.map->segs + i;
++ oldaddr = (void *)segdata->addr;
++ _dl_munmap (oldaddr, segdata->p_memsz);
++ segdata->addr = (Elf32_Addr) addr;
++
++#if defined (__SUPPORT_LD_DEBUG__)
++ if (_dl_debug)
++ _dl_dprintf(_dl_debug_file, "%i: changed mapping %x at %x (old %x), size %x\n",
++ loadaddr.map->nsegs-1,
++ segdata->p_vaddr, segdata->addr, oldaddr, segdata->p_memsz);
+ #endif
+ }
+
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/bfin/dl-sysdep.h uClibc/ldso/ldso/bfin/dl-sysdep.h
+--- uClibc-0.9.32-rc3/ldso/ldso/bfin/dl-sysdep.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/bfin/dl-sysdep.h 2011-04-26 16:18:21.747664948 +0200
+@@ -120,6 +120,8 @@
+ #define DL_INIT_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
+ (__dl_init_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR), \
+ dl_init_loadaddr_load_count))
++#define DL_UPDATE_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
++ (__dl_update_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR)))
+ #define DL_LOADADDR_UNMAP(LOADADDR, LEN) \
+ (__dl_loadaddr_unmap ((LOADADDR), (NULL)))
+ #define DL_LIB_UNMAP(LIB, LEN) \
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/c6x/dl-inlines.h uClibc/ldso/ldso/c6x/dl-inlines.h
+--- uClibc-0.9.32-rc3/ldso/ldso/c6x/dl-inlines.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/c6x/dl-inlines.h 2011-04-26 16:18:21.747664948 +0200
+@@ -74,6 +74,35 @@
+ #endif
+ }
+
++/* Replace an existing entry in the load map. */
++static __always_inline void
++__dl_update_loadaddr_hdr (struct elf32_dsbt_loadaddr loadaddr, void *addr,
++ Elf32_Phdr *phdr)
++{
++ struct elf32_dsbt_loadseg *segdata;
++ void *oldaddr;
++ int i;
++
++ for (i = 0; i < loadaddr.map->nsegs; i++)
++ if (loadaddr.map->segs[i].p_vaddr == phdr->p_vaddr
++ && loadaddr.map->segs[i].p_memsz == phdr->p_memsz)
++ break;
++ if (i == loadaddr.map->nsegs)
++ _dl_exit (-1);
++
++ segdata = loadaddr.map->segs + i;
++ oldaddr = (void *)segdata->addr;
++ _dl_munmap (oldaddr, segdata->p_memsz);
++ segdata->addr = (Elf32_Addr) addr;
++
++#if defined (__SUPPORT_LD_DEBUG__)
++ if (_dl_debug)
++ _dl_dprintf(_dl_debug_file, "%i: changed mapping %x at %x (old %x), size %x\n",
++ loadaddr.map->nsegs-1,
++ segdata->p_vaddr, segdata->addr, oldaddr, segdata->p_memsz);
++#endif
++}
++
+ static __always_inline void
+ __dl_loadaddr_unmap (struct elf32_dsbt_loadaddr loadaddr)
+ {
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/c6x/dl-sysdep.h uClibc/ldso/ldso/c6x/dl-sysdep.h
+--- uClibc-0.9.32-rc3/ldso/ldso/c6x/dl-sysdep.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/c6x/dl-sysdep.h 2011-04-26 16:18:21.747664948 +0200
+@@ -104,6 +104,9 @@
+ (__dl_init_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR), \
+ dl_init_loadaddr_load_count))
+
++#define DL_UPDATE_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
++ (__dl_update_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR)))
++
+ #define DL_LOADADDR_UNMAP(LOADADDR, LEN) \
+ (__dl_loadaddr_unmap ((LOADADDR)))
+
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/c6x/elfinterp.c uClibc/ldso/ldso/c6x/elfinterp.c
+--- uClibc-0.9.32-rc3/ldso/ldso/c6x/elfinterp.c 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/c6x/elfinterp.c 2011-04-26 16:18:21.747664948 +0200
+@@ -198,6 +198,10 @@
+ new_val = sym_val;
+ *reloc_addr = sym_val;
+ break;
++ case R_C6000_DSBT_INDEX:
++ new_val = (old_val & ~0x007fff00) | ((tpnt->loadaddr.map->dsbt_index & 0x7fff) << 8);
++ *reloc_addr = new_val;
++ break;
+ case R_C6000_ABS_L16:
+ new_val = (old_val & ~0x007fff80) | ((sym_val & 0xffff) << 7);
+ *reloc_addr = new_val;
+@@ -224,7 +228,7 @@
+ (char *)symbol_addr,
+ symtab[symtab_index].st_size);
+ }
+- break;
++ return 0;
+ default:
+ return -1; /*call _dl_exit(1) */
+ }
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/dl-elf.c uClibc/ldso/ldso/dl-elf.c
+--- uClibc-0.9.32-rc3/ldso/ldso/dl-elf.c 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/dl-elf.c 2011-04-26 16:18:21.747664948 +0200
+@@ -314,6 +314,121 @@
+ return NULL;
+ }
+
++/*
++ * Make a writeable mapping of a segment, regardless of whether PF_W is
++ * set or not.
++ */
++static void *
++map_writeable (int infile, ElfW(Phdr) *ppnt, int piclib, int flags,
++ unsigned long libaddr)
++{
++ int prot_flags = ppnt->p_flags | PF_W;
++ char *status, *retval;
++ char *tryaddr;
++ ssize_t size;
++ unsigned long map_size;
++ char *cpnt;
++ char *piclib2map = NULL;
++
++ if (piclib == 2 &&
++ /* We might be able to avoid this call if memsz doesn't
++ require an additional page, but this would require mmap
++ to always return page-aligned addresses and a whole
++ number of pages allocated. Unfortunately on uClinux
++ may return misaligned addresses and may allocate
++ partial pages, so we may end up doing unnecessary mmap
++ calls.
++
++ This is what we could do if we knew mmap would always
++ return aligned pages:
++
++ ((ppnt->p_vaddr + ppnt->p_filesz + ADDR_ALIGN) &
++ PAGE_ALIGN) < ppnt->p_vaddr + ppnt->p_memsz)
++
++ Instead, we have to do this: */
++ ppnt->p_filesz < ppnt->p_memsz)
++ {
++ piclib2map = (char *)
++ _dl_mmap(0, (ppnt->p_vaddr & ADDR_ALIGN) + ppnt->p_memsz,
++ LXFLAGS(prot_flags), flags | MAP_ANONYMOUS, -1, 0);
++ if (_dl_mmap_check_error(piclib2map))
++ return 0;
++ }
++
++ tryaddr = piclib == 2 ? piclib2map
++ : ((char*) (piclib ? libaddr : 0) +
++ (ppnt->p_vaddr & PAGE_ALIGN));
++
++ size = (ppnt->p_vaddr & ADDR_ALIGN) + ppnt->p_filesz;
++
++ /* For !MMU, mmap to fixed address will fail.
++ So instead of desperately call mmap and fail,
++ we set status to MAP_FAILED to save a call
++ to mmap (). */
++#ifndef __ARCH_USE_MMU__
++ if (piclib2map == 0)
++#endif
++ status = (char *) _dl_mmap
++ (tryaddr, size, LXFLAGS(prot_flags),
++ flags | (piclib2map ? MAP_FIXED : 0),
++ infile, ppnt->p_offset & OFFS_ALIGN);
++#ifndef __ARCH_USE_MMU__
++ else
++ status = MAP_FAILED;
++#endif
++#ifdef _DL_PREAD
++ if (_dl_mmap_check_error(status) && piclib2map
++ && (_DL_PREAD (infile, tryaddr, size,
++ ppnt->p_offset & OFFS_ALIGN) == size))
++ status = tryaddr;
++#endif
++ if (_dl_mmap_check_error(status) || (tryaddr && tryaddr != status))
++ return 0;
++
++ if (piclib2map)
++ retval = piclib2map;
++ else
++ retval = status;
++
++ /* Now we want to allocate and zero-out any data from the end
++ of the region we mapped in from the file (filesz) to the
++ end of the loadable segment (memsz). We may need
++ additional pages for memsz, that we map in below, and we
++ can count on the kernel to zero them out, but we have to
++ zero out stuff in the last page that we mapped in from the
++ file. However, we can't assume to have actually obtained
++ full pages from the kernel, since we didn't ask for them,
++ and uClibc may not give us full pages for small
++ allocations. So only zero out up to memsz or the end of
++ the page, whichever comes first. */
++
++ /* CPNT is the beginning of the memsz portion not backed by
++ filesz. */
++ cpnt = (char *) (status + size);
++
++ /* MAP_SIZE is the address of the
++ beginning of the next page. */
++ map_size = (ppnt->p_vaddr + ppnt->p_filesz
++ + ADDR_ALIGN) & PAGE_ALIGN;
++
++ _dl_memset (cpnt, 0,
++ MIN (map_size
++ - (ppnt->p_vaddr
++ + ppnt->p_filesz),
++ ppnt->p_memsz
++ - ppnt->p_filesz));
++
++ if (map_size < ppnt->p_vaddr + ppnt->p_memsz && !piclib2map) {
++ tryaddr = map_size + (char*)(piclib ? libaddr : 0);
++ status = (char *) _dl_mmap(tryaddr,
++ ppnt->p_vaddr + ppnt->p_memsz - map_size,
++ LXFLAGS(prot_flags),
++ flags | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
++ if (_dl_mmap_check_error(status) || tryaddr != status)
++ return NULL;
++ }
++ return retval;
++}
+
+ /*
+ * Read one ELF library into memory, mmap it into the correct locations and
+@@ -475,6 +590,7 @@
+ status = (char *) _dl_mmap((char *) (piclib ? 0 : minvma),
+ maxvma - minvma, PROT_NONE, flags | MAP_ANONYMOUS, -1, 0);
+ if (_dl_mmap_check_error(status)) {
++ cant_map:
+ _dl_dprintf(2, "%s:%i: can't map '%s'\n", _dl_progname, __LINE__, libname);
+ _dl_internal_error_number = LD_ERROR_MMAP_FAILED;
+ _dl_close(infile);
+@@ -495,8 +611,11 @@
+ char *addr;
+
+ addr = DL_MAP_SEGMENT (epnt, ppnt, infile, flags);
+- if (addr == NULL)
++ if (addr == NULL) {
++ cant_map1:
++ DL_LOADADDR_UNMAP (lib_loadaddr, maxvma - minvma);
+ goto cant_map;
++ }
+
+ DL_INIT_LOADADDR_HDR (lib_loadaddr, addr, ppnt);
+ ppnt++;
+@@ -517,141 +636,9 @@
+ }
+
+ if (ppnt->p_flags & PF_W) {
+- unsigned long map_size;
+- char *cpnt;
+- char *piclib2map = 0;
+-
+- if (piclib == 2 &&
+- /* We might be able to avoid this
+- call if memsz doesn't require
+- an additional page, but this
+- would require mmap to always
+- return page-aligned addresses
+- and a whole number of pages
+- allocated. Unfortunately on
+- uClinux may return misaligned
+- addresses and may allocate
+- partial pages, so we may end up
+- doing unnecessary mmap calls.
+-
+- This is what we could do if we
+- knew mmap would always return
+- aligned pages:
+-
+- ((ppnt->p_vaddr + ppnt->p_filesz
+- + ADDR_ALIGN)
+- & PAGE_ALIGN)
+- < ppnt->p_vaddr + ppnt->p_memsz)
+-
+- Instead, we have to do this: */
+- ppnt->p_filesz < ppnt->p_memsz)
+- {
+- piclib2map = (char *)
+- _dl_mmap(0, (ppnt->p_vaddr & ADDR_ALIGN)
+- + ppnt->p_memsz,
+- LXFLAGS(ppnt->p_flags),
+- flags | MAP_ANONYMOUS, -1, 0);
+- if (_dl_mmap_check_error(piclib2map))
+- goto cant_map;
+- DL_INIT_LOADADDR_HDR
+- (lib_loadaddr, piclib2map
+- + (ppnt->p_vaddr & ADDR_ALIGN), ppnt);
+- }
+-
+- tryaddr = piclib == 2 ? piclib2map
+- : ((char*) (piclib ? libaddr : 0) +
+- (ppnt->p_vaddr & PAGE_ALIGN));
+-
+- size = (ppnt->p_vaddr & ADDR_ALIGN)
+- + ppnt->p_filesz;
+-
+- /* For !MMU, mmap to fixed address will fail.
+- So instead of desperately call mmap and fail,
+- we set status to MAP_FAILED to save a call
+- to mmap (). */
+-#ifndef __ARCH_USE_MMU__
+- if (piclib2map == 0)
+-#endif
+- status = (char *) _dl_mmap
+- (tryaddr, size, LXFLAGS(ppnt->p_flags),
+- flags | (piclib2map ? MAP_FIXED : 0),
+- infile, ppnt->p_offset & OFFS_ALIGN);
+-#ifndef __ARCH_USE_MMU__
+- else
+- status = MAP_FAILED;
+-#endif
+-#ifdef _DL_PREAD
+- if (_dl_mmap_check_error(status) && piclib2map
+- && (_DL_PREAD (infile, tryaddr, size,
+- ppnt->p_offset & OFFS_ALIGN)
+- == size))
+- status = tryaddr;
+-#endif
+- if (_dl_mmap_check_error(status)
+- || (tryaddr && tryaddr != status)) {
+- cant_map:
+- _dl_dprintf(2, "%s:%i: can't map '%s'\n",
+- _dl_progname, __LINE__, libname);
+- _dl_internal_error_number = LD_ERROR_MMAP_FAILED;
+- DL_LOADADDR_UNMAP (lib_loadaddr, maxvma - minvma);
+- _dl_close(infile);
+- _dl_munmap(header, _dl_pagesize);
+- return NULL;
+- }
+-
+- if (! piclib2map) {
+- DL_INIT_LOADADDR_HDR
+- (lib_loadaddr, status
+- + (ppnt->p_vaddr & ADDR_ALIGN), ppnt);
+- }
+- /* Now we want to allocate and
+- zero-out any data from the end of
+- the region we mapped in from the
+- file (filesz) to the end of the
+- loadable segment (memsz). We may
+- need additional pages for memsz,
+- that we map in below, and we can
+- count on the kernel to zero them
+- out, but we have to zero out stuff
+- in the last page that we mapped in
+- from the file. However, we can't
+- assume to have actually obtained
+- full pages from the kernel, since
+- we didn't ask for them, and uClibc
+- may not give us full pages for
+- small allocations. So only zero
+- out up to memsz or the end of the
+- page, whichever comes first. */
+-
+- /* CPNT is the beginning of the memsz
+- portion not backed by filesz. */
+- cpnt = (char *) (status + size);
+-
+- /* MAP_SIZE is the address of the
+- beginning of the next page. */
+- map_size = (ppnt->p_vaddr + ppnt->p_filesz
+- + ADDR_ALIGN) & PAGE_ALIGN;
+-
+-#ifndef MIN
+-# define MIN(a,b) ((a) < (b) ? (a) : (b))
+-#endif
+- _dl_memset (cpnt, 0,
+- MIN (map_size
+- - (ppnt->p_vaddr
+- + ppnt->p_filesz),
+- ppnt->p_memsz
+- - ppnt->p_filesz));
+-
+- if (map_size < ppnt->p_vaddr + ppnt->p_memsz
+- && !piclib2map) {
+- tryaddr = map_size + (char*)(piclib ? libaddr : 0);
+- status = (char *) _dl_mmap(tryaddr,
+- ppnt->p_vaddr + ppnt->p_memsz - map_size,
+- LXFLAGS(ppnt->p_flags), flags | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
+- if (_dl_mmap_check_error(status)
+- || tryaddr != status)
+- goto cant_map;
+- }
++ status = map_writeable (infile, ppnt, piclib, flags, libaddr);
++ if (status == NULL)
++ goto cant_map1;
+ } else {
+ tryaddr = (piclib == 2 ? 0
+ : (char *) (ppnt->p_vaddr & PAGE_ALIGN)
+@@ -664,11 +651,11 @@
+ infile, ppnt->p_offset & OFFS_ALIGN);
+ if (_dl_mmap_check_error(status)
+ || (tryaddr && tryaddr != status))
+- goto cant_map;
+- DL_INIT_LOADADDR_HDR
+- (lib_loadaddr, status
+- + (ppnt->p_vaddr & ADDR_ALIGN), ppnt);
++ goto cant_map1;
+ }
++ DL_INIT_LOADADDR_HDR(lib_loadaddr,
++ status + (ppnt->p_vaddr & ADDR_ALIGN),
++ ppnt);
+
+ /* if (libaddr == 0 && piclib) {
+ libaddr = (unsigned long) status;
+@@ -677,7 +664,6 @@
+ }
+ ppnt++;
+ }
+- _dl_close(infile);
+
+ /* For a non-PIC library, the addresses are all absolute */
+ if (piclib) {
+@@ -696,6 +682,7 @@
+ _dl_dprintf(2, "%s: '%s' is missing a dynamic section\n",
+ _dl_progname, libname);
+ _dl_munmap(header, _dl_pagesize);
++ _dl_close(infile);
+ return NULL;
+ }
+
+@@ -711,10 +698,23 @@
+ ppnt = (ElfW(Phdr) *)(intptr_t) & header[epnt->e_phoff];
+ for (i = 0; i < epnt->e_phnum; i++, ppnt++) {
+ if (ppnt->p_type == PT_LOAD && !(ppnt->p_flags & PF_W)) {
++#ifdef __ARCH_USE_MMU__
+ _dl_mprotect((void *) ((piclib ? libaddr : 0) +
+ (ppnt->p_vaddr & PAGE_ALIGN)),
+ (ppnt->p_vaddr & ADDR_ALIGN) + (unsigned long) ppnt->p_filesz,
+ PROT_READ | PROT_WRITE | PROT_EXEC);
++#else
++ void *new_addr;
++ new_addr = map_writeable (infile, ppnt, piclib, flags, libaddr);
++ if (!new_addr) {
++ _dl_dprintf(_dl_debug_file, "Can't modify %s's text section.",
++ libname);
++ _dl_exit(1);
++ }
++ DL_UPDATE_LOADADDR_HDR(lib_loadaddr,
++ new_addr + (ppnt->p_vaddr & ADDR_ALIGN),
++ ppnt);
++#endif
+ }
+ }
+ #else
+@@ -725,6 +725,8 @@
+ #endif
+ }
+
++ _dl_close(infile);
++
+ tpnt = _dl_add_elf_hash_table(libname, lib_loadaddr, dynamic_info,
+ dynamic_addr, 0);
+ tpnt->relro_addr = relro_addr;
+@@ -809,20 +811,44 @@
+ #ifdef __DSBT__
+ /* Handle DSBT initialization */
+ {
+- struct elf_resolve *t, *ref = NULL;
++ struct elf_resolve *t, *ref;
+ int idx = tpnt->loadaddr.map->dsbt_index;
+ unsigned *dsbt = tpnt->loadaddr.map->dsbt_table;
+
+ if (idx == 0) {
+- /* This DSO has not been assigned an index */
+- _dl_dprintf(2, "%s: '%s' is missing a dsbt index assignment!\n",
+- _dl_progname, libname);
+- _dl_exit(1);
++ if (!dynamic_info[DT_TEXTREL]) {
++ /* This DSO has not been assigned an index. */
++ _dl_dprintf(2, "%s: '%s' is missing a dsbt index assignment!\n",
++ _dl_progname, libname);
++ _dl_exit(1);
++ }
++ /* Find a dsbt table from another module. */
++ ref = NULL;
++ for (t = _dl_loaded_modules; t; t = t->next) {
++ if (ref == NULL && t != tpnt) {
++ ref = t;
++ break;
++ }
++ }
++ idx = tpnt->loadaddr.map->dsbt_size;
++ while (idx-- > 0)
++ if (!ref || ref->loadaddr.map->dsbt_table[idx] == NULL)
++ break;
++ if (idx <= 0) {
++ _dl_dprintf(2, "%s: '%s' caused DSBT table overflow!\n",
++ _dl_progname, libname);
++ _dl_exit(1);
++ }
++ _dl_if_debug_dprint("\n\tfile='%s'; assigned index %d\n",
++ libname, idx);
++ tpnt->loadaddr.map->dsbt_index = idx;
++
+ }
+
+ /*
+ * Setup dsbt slot for this module in dsbt of all modules.
+ */
++ ref = NULL;
+ for (t = _dl_loaded_modules; t; t = t->next) {
+ /* find a dsbt table from another module */
+ if (ref == NULL && t != tpnt) {
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/dl-startup.c uClibc/ldso/ldso/dl-startup.c
+--- uClibc-0.9.32-rc3/ldso/ldso/dl-startup.c 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/dl-startup.c 2011-04-26 16:18:21.747664948 +0200
+@@ -32,8 +32,8 @@
+
+ /*
+ * The main trick with this program is that initially, we ourselves are not
+- * dynamicly linked. This means that we cannot access any global variables or
+- * call any functions. No globals initially, since the Global Offset Table
++ * dynamically linked. This means that we cannot access any global variables
++ * or call any functions. No globals initially, since the Global Offset Table
+ * (GOT) is initialized by the linker assuming a virtual address of 0, and no
+ * function calls initially since the Procedure Linkage Table (PLT) is not yet
+ * initialized.
+@@ -55,12 +55,12 @@
+ *
+ * Fortunately, the linker itself leaves a few clues lying around, and when the
+ * kernel starts the image, there are a few further clues. First of all, there
+- * is Auxiliary Vector Table information sitting on which is provided to us by
+- * the kernel, and which includes information about the load address that the
+- * program interpreter was loaded at, the number of sections, the address the
+- * application was loaded at and so forth. Here this information is stored in
+- * the array auxvt. For details see linux/fs/binfmt_elf.c where it calls
+- * NEW_AUX_ENT() a bunch of time....
++ * is Auxiliary Vector Table information sitting on the stack which is provided
++ * to us by the kernel, and which includes information about the address
++ * that the program interpreter was loaded at, the number of sections, the
++ * address the application was loaded at, and so forth. Here this information
++ * is stored in the array auxvt. For details see linux/fs/binfmt_elf.c where
++ * it calls NEW_AUX_ENT() a bunch of times....
+ *
+ * Next, we need to find the GOT. On most arches there is a register pointing
+ * to the GOT, but just in case (and for new ports) I've added some (slow) C
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/frv/dl-inlines.h uClibc/ldso/ldso/frv/dl-inlines.h
+--- uClibc-0.9.32-rc3/ldso/ldso/frv/dl-inlines.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/frv/dl-inlines.h 2011-04-26 16:18:21.757661905 +0200
+@@ -72,14 +72,39 @@
+ segdata->p_memsz = phdr->p_memsz;
+
+ #if defined (__SUPPORT_LD_DEBUG__)
+- {
+- extern char *_dl_debug;
+- extern int _dl_debug_file;
+- if (_dl_debug)
+- _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n",
+- loadaddr.map->nsegs-1,
+- segdata->p_vaddr, segdata->addr, segdata->p_memsz);
+- }
++ if (_dl_debug)
++ _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n",
++ loadaddr.map->nsegs-1,
++ segdata->p_vaddr, segdata->addr, segdata->p_memsz);
++#endif
++}
++
++/* Replace an existing entry in the load map. */
++static __always_inline void
++__dl_update_loadaddr_hdr (struct elf32_fdpic_loadaddr loadaddr, void *addr,
++ Elf32_Phdr *phdr)
++{
++ struct elf32_fdpic_loadseg *segdata;
++ void *oldaddr;
++ int i;
++
++ for (i = 0; i < loadaddr.map->nsegs; i++)
++ if (loadaddr.map->segs[i].p_vaddr == phdr->p_vaddr
++ && loadaddr.map->segs[i].p_memsz == phdr->p_memsz)
++ break;
++ if (i == loadaddr.map->nsegs)
++ _dl_exit (-1);
++
++ segdata = loadaddr.map->segs + i;
++ oldaddr = (void *)segdata->addr;
++ _dl_munmap (oldaddr, segdata->p_memsz);
++ segdata->addr = (Elf32_Addr) addr;
++
++#if defined (__SUPPORT_LD_DEBUG__)
++ if (_dl_debug)
++ _dl_dprintf(_dl_debug_file, "%i: changed mapping %x at %x (old %x), size %x\n",
++ loadaddr.map->nsegs-1,
++ segdata->p_vaddr, segdata->addr, oldaddr, segdata->p_memsz);
+ #endif
+ }
+
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/frv/dl-sysdep.h uClibc/ldso/ldso/frv/dl-sysdep.h
+--- uClibc-0.9.32-rc3/ldso/ldso/frv/dl-sysdep.h 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/frv/dl-sysdep.h 2011-04-26 16:18:21.757661905 +0200
+@@ -95,6 +95,8 @@
+ #define DL_INIT_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
+ (__dl_init_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR), \
+ dl_init_loadaddr_load_count))
++#define DL_UPDATE_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \
++ (__dl_update_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR)))
+ #define DL_LOADADDR_UNMAP(LOADADDR, LEN) \
+ (__dl_loadaddr_unmap ((LOADADDR), (NULL)))
+ #define DL_LIB_UNMAP(LIB, LEN) \
+diff -Nur uClibc-0.9.32-rc3/ldso/ldso/mips/elfinterp.c uClibc/ldso/ldso/mips/elfinterp.c
+--- uClibc-0.9.32-rc3/ldso/ldso/mips/elfinterp.c 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/ldso/ldso/mips/elfinterp.c 2011-04-26 16:18:21.757661905 +0200
+@@ -378,8 +378,11 @@
+ *got_entry += (unsigned long) tpnt->loadaddr;
+ }
+ else {
++ struct symbol_ref sym_ref;
++ sym_ref.sym = sym;
++ sym_ref.tpnt = NULL;
+ *got_entry = (unsigned long) _dl_find_hash(strtab +
+- sym->st_name, tpnt->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, NULL);
++ sym->st_name, tpnt->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, &sym_ref);
+ }
+
+ got_entry++;
+diff -Nur uClibc-0.9.32-rc3/libc/inet/resolv.c uClibc/libc/inet/resolv.c
+--- uClibc-0.9.32-rc3/libc/inet/resolv.c 2011-03-16 20:11:13.000000000 +0100
++++ uClibc/libc/inet/resolv.c 2011-04-26 16:18:21.767661585 +0200
+@@ -3009,7 +3009,7 @@
+ int m = 0;
+ /* free nsaddrs[m] if they do not point to nsaddr_list[x] */
+ while (m < ARRAY_SIZE(_res._u._ext.nsaddrs)) {
+- char *p2 = (char*)(_res._u._ext.nsaddrs[m]);
++ char *p2 = (char*)(_res._u._ext.nsaddrs[m++]);
+ if (p2 < p1 || (p2 - p1) > sizeof(_res.nsaddr_list))
+ free(p2);
+ }
+diff -Nur uClibc-0.9.32-rc3/libc/misc/fts/fts.c uClibc/libc/misc/fts/fts.c
+--- uClibc-0.9.32-rc3/libc/misc/fts/fts.c 1970-01-01 01:00:00.000000000 +0100
++++ uClibc/libc/misc/fts/fts.c 2011-04-26 16:18:21.777663244 +0200
+@@ -0,0 +1,1145 @@
++/*-
++ * Copyright (c) 1990, 1993, 1994
++ * The Regents of the University of California. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ * 4. Neither the name of the University nor the names of its contributors
++ * may be used to endorse or promote products derived from this software
++ * without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
++ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
++ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
++ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
++ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
++ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
++ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
++ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
++ * SUCH DAMAGE.
++ */
++
++#include <sys/param.h>
++#include <sys/stat.h>
++#include <fcntl.h>
++#include <dirent.h>
++#include <errno.h>
++#include <fts.h>
++#include <stdlib.h>
++#include <string.h>
++#include <unistd.h>
++
++#ifdef __UCLIBC_HAS_LFS__
++# include <_lfs_64.h>
++#else
++# define stat64 stat
++# define fstat64 fstat
++#endif
++
++/* Largest alignment size needed, minus one.
++ Usually long double is the worst case. */
++#ifndef ALIGNBYTES
++#define ALIGNBYTES (__alignof__ (long double) - 1)
++#endif
++/* Align P to tha