Add several more elflint tests:

- check whether dynamic section matches PT_DYNAMIC program header entry
- make sure text relocation flag is used correctly

libelf needed one extension for this.

7 files changed, 36 insertions, 3 deletions

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index caa2b5bc..6a1dfd93 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,13 @@
+2005-08-02  Ulrich Drepper  <[email protected]>
+
+	* elf_error.c: Add handling of ELF_E_INVALID_OFFSET.
+	* elf32_offscn.c: New file.
+	* elf64_offscn.c: New file.
+	* gelf_offscn.c: New file.
+	* Makefile.am (libelf_a_SOURCES): Add elf32_offscn.c, elf64_offscn.c,
+	and gelf_offscn.c.
+	* libelf.sym: Export new symbols.
+
 2005-07-23  Ulrich Drepper  <[email protected]>
 
 	* elf-knowledge.h (SECTION_STRIP_P): Don't handle removal of debug
diff --git a/libelf/Makefile.am b/libelf/Makefile.am
index cf581902..d9caac65 100644
--- a/libelf/Makefile.am
+++ b/libelf/Makefile.am
@@ -79,7 +79,8 @@ libelf_a_SOURCES = elf_version.c elf_hash.c elf_error.c elf_fill.c \
 		   gelf_rawchunk.c gelf_freechunk.c \
 		   libelf_crc32.c libelf_next_prime.c \
 		   elf_clone.c \
-		   gelf_getlib.c gelf_update_lib.c
+		   gelf_getlib.c gelf_update_lib.c \
+		   elf32_offscn.c elf64_offscn.c gelf_offscn.c
 
 if !MUDFLAP
 libelf_pic_a_SOURCES =
diff --git a/libelf/elf_error.c b/libelf/elf_error.c
index 168ce113..b51962b9 100644
--- a/libelf/elf_error.c
+++ b/libelf/elf_error.c
@@ -243,6 +243,11 @@ static const char msgstr[] =
   (ELF_E_INVALID_PHDR_IDX \
    + sizeof "program header only allowed in executables and shared objects")
   N_("file has no program header")
+  "\0"
+#define ELF_E_INVALID_OFFSET_IDX \
+  (ELF_E_NO_PHDR_IDX \
+   + sizeof "file has no program header")
+  N_("invalid offset")
 };
 
 
@@ -289,7 +294,8 @@ static const uint_fast16_t msgidx[ELF_E_NUM] =
   [ELF_E_NOFILE] = ELF_E_NOFILE_IDX,
   [ELF_E_GROUP_NOT_REL] = ELF_E_GROUP_NOT_REL_IDX,
   [ELF_E_INVALID_PHDR] = ELF_E_INVALID_PHDR_IDX,
-  [ELF_E_NO_PHDR] = ELF_E_NO_PHDR_IDX
+  [ELF_E_NO_PHDR] = ELF_E_NO_PHDR_IDX,
+  [ELF_E_INVALID_OFFSET] = ELF_E_INVALID_OFFSET_IDX
 };
 #define nmsgidx ((int) (sizeof (msgidx) / sizeof (msgidx[0])))
 
diff --git a/libelf/gelf.h b/libelf/gelf.h
index 299d6c83..369a3a71 100644
--- a/libelf/gelf.h
+++ b/libelf/gelf.h
@@ -153,6 +153,9 @@ extern int gelf_update_ehdr (Elf *__elf, GElf_Ehdr *__src);
 /* Create new ELF header if none exists.  */
 extern unsigned long int gelf_newehdr (Elf *__elf, int __class);
 
+/* Get section at OFFSET.  */
+extern Elf_Scn *gelf_offscn (Elf *__elf, GElf_Off __offset);
+
 /* Retrieve section header.  */
 extern GElf_Shdr *gelf_getshdr (Elf_Scn *__scn, GElf_Shdr *__dst);
 
diff --git a/libelf/libelf.h b/libelf/libelf.h
index 5b3dc00b..05a03412 100644
--- a/libelf/libelf.h
+++ b/libelf/libelf.h
@@ -1,5 +1,5 @@
 /* Interface for libelf.
-   Copyright (C) 1998, 1999, 2000, 2002, 2004 Red Hat, Inc.
+   Copyright (C) 1998, 1999, 2000, 2002, 2004, 2005 Red Hat, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -199,6 +199,11 @@ extern Elf64_Phdr *elf64_newphdr (Elf *__elf, size_t __cnt);
 /* Get section at INDEX.  */
 extern Elf_Scn *elf_getscn (Elf *__elf, size_t __index);
 
+/* Get section at OFFSET.  */
+extern Elf_Scn *elf32_offscn (Elf *__elf, Elf32_Off __offset);
+/* Similar bug this time the binary calls is ELFCLASS64.  */
+extern Elf_Scn *elf64_offscn (Elf *__elf, Elf64_Off __offset);
+
 /* Get index of section.  */
 extern size_t elf_ndxscn (Elf_Scn *__scn);
 
diff --git a/libelf/libelf.map b/libelf/libelf.map
index f416da7f..a5193b32 100644
--- a/libelf/libelf.map
+++ b/libelf/libelf.map
@@ -7,6 +7,7 @@ ELFUTILS_1.0 {
     elf32_getshdr;
     elf32_newehdr;
     elf32_newphdr;
+    elf32_offscn;
     elf32_xlatetof;
     elf32_xlatetom;
     elf64_checksum;
@@ -16,6 +17,7 @@ ELFUTILS_1.0 {
     elf64_getshdr;
     elf64_newehdr;
     elf64_newphdr;
+    elf64_offscn;
     elf64_xlatetof;
     elf64_xlatetom;
     elf_begin;
@@ -75,6 +77,7 @@ ELFUTILS_1.0 {
     gelf_getversym;
     gelf_newehdr;
     gelf_newphdr;
+    gelf_offscn;
     gelf_rawchunk;
     gelf_update_dyn;
     gelf_update_ehdr;
diff --git a/libelf/libelfP.h b/libelf/libelfP.h
index 100f349a..fd6f825c 100644
--- a/libelf/libelfP.h
+++ b/libelf/libelfP.h
@@ -117,6 +117,7 @@ enum
   ELF_E_GROUP_NOT_REL,
   ELF_E_INVALID_PHDR,
   ELF_E_NO_PHDR,
+  ELF_E_INVALID_OFFSET,
   /* Keep this as the last entry.  */
   ELF_E_NUM
 };
@@ -453,6 +454,10 @@ extern Elf32_Phdr *__elf32_newphdr_internal (Elf *__elf, size_t __cnt)
      attribute_hidden;
 extern Elf64_Phdr *__elf64_newphdr_internal (Elf *__elf, size_t __cnt)
      attribute_hidden;
+extern Elf_Scn *__elf32_offscn_internal (Elf *__elf, Elf32_Off __offset)
+  attribute_hidden;
+extern Elf_Scn *__elf64_offscn_internal (Elf *__elf, Elf64_Off __offset)
+  attribute_hidden;
 extern int __elf_getshnum_internal (Elf *__elf, size_t *__dst)
      attribute_hidden;
 extern int __elf_getshstrndx_internal (Elf *__elf, size_t *__dst)