Imported binutils-2.20

[msp430-binutils.git] / include / elf / internal.h

diff --git a/include/elf/internal.h b/include/elf/internal.h
index 152171136c198ba56118fb548caaaef53742cef9..9ea175c9de05255353e29a12ec5bc820371dd11d 100644 (file)
--- a/include/elf/internal.h
+++ b/include/elf/internal.h
@@ -1,6 +1,6 @@
 /* ELF support for BFD.
    Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002,
-   2003, 2006, 2007 Free Software Foundation, Inc.
+   2003, 2006, 2007, 2008 Free Software Foundation, Inc.
 
    Written by Fred Fish @ Cygnus Support, from information published
    in "UNIX System V Release 4, Programmers Guide: ANSI C and
@@ -37,6 +37,31 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 #ifndef _ELF_INTERNAL_H
 #define _ELF_INTERNAL_H
 
+/* Special section indices, which may show up in st_shndx fields, among
+   other places.  */
+
+#undef SHN_UNDEF
+#undef SHN_LORESERVE
+#undef SHN_LOPROC
+#undef SHN_HIPROC
+#undef SHN_LOOS
+#undef SHN_HIOS
+#undef SHN_ABS
+#undef SHN_COMMON
+#undef SHN_XINDEX
+#undef SHN_HIRESERVE
+#define SHN_UNDEF      0               /* Undefined section reference */
+#define SHN_LORESERVE  (-0x100u)       /* Begin range of reserved indices */
+#define SHN_LOPROC     (-0x100u)       /* Begin range of appl-specific */
+#define SHN_HIPROC     (-0xE1u)        /* End range of appl-specific */
+#define SHN_LOOS       (-0xE0u)        /* OS specific semantics, lo */
+#define SHN_HIOS       (-0xC1u)        /* OS specific semantics, hi */
+#define SHN_ABS                (-0xFu)         /* Associated symbol is absolute */
+#define SHN_COMMON     (-0xEu)         /* Associated symbol is in common */
+#define SHN_XINDEX     (-0x1u)         /* Section index is held elsewhere */
+#define SHN_HIRESERVE  (-0x1u)         /* End range of reserved indices */
+#define SHN_BAD                (-0x101u)       /* Used internally by bfd */
+
 /* ELF Header */
 
 #define EI_NIDENT      16              /* Size of e_ident[] */
@@ -80,12 +105,12 @@ typedef struct elf_internal_shdr {
   unsigned int sh_type;                /* Type of section */
   bfd_vma      sh_flags;               /* Miscellaneous section attributes */
   bfd_vma      sh_addr;                /* Section virtual addr at execution */
+  file_ptr     sh_offset;              /* Section file offset */
   bfd_size_type        sh_size;                /* Size of section in bytes */
+  unsigned int sh_link;                /* Index of another section */
+  unsigned int sh_info;                /* Additional section information */
+  bfd_vma      sh_addralign;           /* Section alignment */
   bfd_size_type        sh_entsize;             /* Entry size if section holds table */
-  unsigned long        sh_link;                /* Index of another section */
-  unsigned long        sh_info;                /* Additional section information */
-  file_ptr     sh_offset;              /* Section file offset */
-  unsigned int sh_addralign;           /* Section alignment */
 
   /* The internal rep also has some cached info associated with it. */
   asection *   bfd_section;            /* Associated BFD section.  */
@@ -239,6 +264,10 @@ struct elf_segment_map
   bfd_vma p_vaddr_offset;
   /* Program segment alignment.  */
   bfd_vma p_align;
+  /* Segment size in file and memory */
+  bfd_vma p_size;
+  /* Required size of filehdr + phdrs, if non-zero */
+  bfd_vma header_size;
   /* Whether the p_flags field is valid; if not, the flags are based
      on the section flags.  */
   unsigned int p_flags_valid : 1;
@@ -248,6 +277,9 @@ struct elf_segment_map
   /* Whether the p_align field is valid; if not, PT_LOAD segment
      alignment is based on the default maximum page size.  */
   unsigned int p_align_valid : 1;
+  /* Whether the p_size field is valid; if not, the size are based
+     on the section sizes.  */
+  unsigned int p_size_valid : 1;
   /* Whether this segment includes the file header.  */
   unsigned int includes_filehdr : 1;
   /* Whether this segment includes the program headers.  */
@@ -266,11 +298,12 @@ struct elf_segment_map
      || segment->p_type == PT_TLS) ? sec_hdr->sh_size : 0)
 
 /* Decide if the given sec_hdr is in the given segment.  PT_TLS segment
-   contains only SHF_TLS sections.  Only PT_LOAD and PT_TLS segments
-   can contain SHF_TLS sections.  */
+   contains only SHF_TLS sections.  Only PT_LOAD, PT_GNU_RELRO and
+   and PT_TLS segments can contain SHF_TLS sections.  */
 #define ELF_IS_SECTION_IN_SEGMENT(sec_hdr, segment)                    \
   (((((sec_hdr->sh_flags & SHF_TLS) != 0)                              \
      && (segment->p_type == PT_TLS                                     \
+        || segment->p_type == PT_GNU_RELRO                             \
         || segment->p_type == PT_LOAD))                                \
     || ((sec_hdr->sh_flags & SHF_TLS) == 0                             \
        && segment->p_type != PT_TLS))                                  \
@@ -280,11 +313,12 @@ struct elf_segment_map
        || ((bfd_vma) sec_hdr->sh_offset >= segment->p_offset           \
           && (sec_hdr->sh_offset + ELF_SECTION_SIZE(sec_hdr, segment)  \
               <= segment->p_offset + segment->p_filesz)))              \
-   /* SHF_ALLOC sections must have VMAs within the segment.  */                \
+   /* SHF_ALLOC sections must have VMAs within the segment.  Be                \
+      careful about segments right at the end of memory.  */           \
    && ((sec_hdr->sh_flags & SHF_ALLOC) == 0                            \
        || (sec_hdr->sh_addr >= segment->p_vaddr                                \
-          && (sec_hdr->sh_addr + ELF_SECTION_SIZE(sec_hdr, segment)    \
-              <= segment->p_vaddr + segment->p_memsz))))
+          && (sec_hdr->sh_addr - segment->p_vaddr                      \
+              + ELF_SECTION_SIZE(sec_hdr, segment) <= segment->p_memsz))))
 
 /* Decide if the given sec_hdr is in the given segment in file.  */
 #define ELF_IS_SECTION_IN_SEGMENT_FILE(sec_hdr, segment)       \