Mon May 12 11:11:06 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>

	* scripttempl/elf.sc: Don't align the data segment on the next 8
	byte boundary, instead let the linker use whatever the individual
	sections require.

diff --git a/ld/ChangeLog b/ld/ChangeLog
index b601fd62b31605190427cd778dde5815874edbb1..e8dd49583ec56f12bc878f2c4787199c2fa986b2 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+Mon May 12 11:11:06 1997  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+       * scripttempl/elf.sc: Don't align the data segment on the next 8
+       byte boundary, instead let the linker use whatever the individual
+       sections require.
+
 Fri May  9 17:45:46 1997  Ian Lance Taylor  <ian@cygnus.com>
 
        * configure.tgt (i[3456]86-*-gnu*): Don't include Mach support.

diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
index 665af8e1caeeea598552a7d21d5954517c926fe7..27f2e9d53f8358b1a9dc7a9f5def8b1d179a109b 100644 (file)
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@@ -16,6 +16,7 @@
 #      OTHER_BSS_SYMBOLS - symbols that appear at the start of the
 #              .bss section besides __bss_start.
 #      DATA_PLT - .plt should be in data segment, not text segment.
+#      EMBEDDED - whether this is for an embedded system. 
 #
 # When adding sections, do note that the names of some sections are used
 # when specifying the start address of the next.
@@ -27,6 +28,14 @@ if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHI
 test "$LD_FLAG" = "N" && DATA_ADDR=.
 INTERP=".interp   ${RELOCATING-0} : { *(.interp)       }"
 PLT=".plt    ${RELOCATING-0} : { *(.plt)       }"
+
+# if this is for an embedded system, don't add SIZEOF_HEADERS.
+if [ -z "$EMBEDDED" ]; then
+   test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR} + SIZEOF_HEADERS"
+else
+   test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}"
+fi
+
 cat <<EOF
 OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
              "${LITTLE_OUTPUT_FORMAT}")
@@ -44,18 +53,27 @@ ${RELOCATING- /* For some reason, the Solaris linker makes bad executables
 SECTIONS
 {
   /* Read-only sections, merged into text segment: */
-  ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR} + SIZEOF_HEADERS;}}
+  ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_BASE_ADDRESS};}}
   ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
   ${CREATE_SHLIB-${INTERP}}
   .hash        ${RELOCATING-0} : { *(.hash)            }
   .dynsym      ${RELOCATING-0} : { *(.dynsym)          }
   .dynstr      ${RELOCATING-0} : { *(.dynstr)          }
-  .rel.text    ${RELOCATING-0} : { *(.rel.text)                }
-  .rela.text   ${RELOCATING-0} : { *(.rela.text)       }
-  .rel.data    ${RELOCATING-0} : { *(.rel.data)                }
-  .rela.data   ${RELOCATING-0} : { *(.rela.data)       }
-  .rel.rodata  ${RELOCATING-0} : { *(.rel.rodata)      }
-  .rela.rodata ${RELOCATING-0} : { *(.rela.rodata)     }
+  .gnu.version ${RELOCATING-0} : { *(.gnu.version)     }
+  .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
+  .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
+  .rel.text    ${RELOCATING-0} :
+    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
+  .rela.text   ${RELOCATING-0} :
+    { *(.rela.text) *(.rela.gnu.linkonce.t*) }
+  .rel.data    ${RELOCATING-0} :
+    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
+  .rela.data   ${RELOCATING-0} :
+    { *(.rela.data) *(.rela.gnu.linkonce.d*) }
+  .rel.rodata  ${RELOCATING-0} :
+    { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
+  .rela.rodata ${RELOCATING-0} :
+    { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
   .rel.got     ${RELOCATING-0} : { *(.rel.got)         }
   .rela.got    ${RELOCATING-0} : { *(.rela.got)                }
   .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)       }
@@ -78,32 +96,43 @@ SECTIONS
     *(.text)
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
-    *(.gnu.linkonce*)
+    *(.gnu.linkonce.t*)
   } =${NOP-0}
   ${RELOCATING+_etext = .;}
   ${RELOCATING+PROVIDE (etext = .);}
   .fini    ${RELOCATING-0} : { *(.fini)    } =${NOP-0}
-  .rodata  ${RELOCATING-0} : { *(.rodata)  }
+  .rodata  ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
   .rodata1 ${RELOCATING-0} : { *(.rodata1) }
   ${RELOCATING+${OTHER_READONLY_SECTIONS}}
 
   /* Adjust the address for the data segment.  We want to adjust up to
      the same address within the page on the next page up.  */
-  ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (ALIGN(8) & (${MAXPAGESIZE} - 1))};}
+  ${RELOCATING+. = ${DATA_ADDR-ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))};}
 
   .data  ${RELOCATING-0} :
   {
     ${RELOCATING+${DATA_START_SYMBOLS}}
     *(.data)
+    *(.gnu.linkonce.d*)
     ${CONSTRUCTING+CONSTRUCTORS}
   }
   .data1 ${RELOCATING-0} : { *(.data1) }
   ${RELOCATING+${OTHER_READWRITE_SECTIONS}}
-  .ctors       ${RELOCATING-0} : { *(.ctors)   }
-  .dtors       ${RELOCATING-0} : { *(.dtors)   }
+  .ctors       ${RELOCATING-0} :
+  {
+    ${CONSTRUCTING+${CTOR_START}}
+    *(.ctors)
+    ${CONSTRUCTING+${CTOR_END}}
+  }
+  .dtors       ${RELOCATING-0} :
+  {
+    ${CONSTRUCTING+${DTOR_START}}
+    *(.dtors)
+    ${CONSTRUCTING+${DTOR_END}}
+  }
+  ${DATA_PLT+${PLT}}
   .got         ${RELOCATING-0} : { *(.got.plt) *(.got) }
   .dynamic     ${RELOCATING-0} : { *(.dynamic) }
-  ${DATA_PLT+${PLT}}
   /* We want the small data sections together, so single-instruction offsets
      can access them all, and initialized data all before uninitialized, so
      we can shorten the on-disk segment size.  */
@@ -133,15 +162,37 @@ SECTIONS
   .comment 0 : { *(.comment) }
 
   /* DWARF debug sections.
-     Symbols in the .debug DWARF section are relative to the beginning of the
-     section so we begin .debug at 0.  It's not clear yet what needs to happen
-     for the others.   */
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+
+  /* DWARF 1 */
   .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+
+  /* GNU DWARF 1 extensions */
   .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+
+  /* DWARF 1.1 and DWARF 2 */
   .debug_aranges  0 : { *(.debug_aranges) }
   .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
+
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+
+  ${RELOCATING+${OTHER_RELOCATING_SECTIONS}}
 
   /* These must appear regardless of ${RELOCATING}.  */
   ${OTHER_SECTIONS}