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authorIan Lance Taylor <ian@airs.com>1997-05-12 15:12:12 +0000
committerIan Lance Taylor <ian@airs.com>1997-05-12 15:12:12 +0000
commit3d046499bc8ad7c3f113386ac6e5481ac698ebd9 (patch)
tree63c0f7d5dbfa765dcf9a25025ec4e0a42da3076e
parent9af5dcea8f103c6385dc2244dfb654ad7c7e928d (diff)
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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.
-rw-r--r--ld/ChangeLog6
-rw-r--r--ld/scripttempl/elf.sc87
2 files changed, 75 insertions, 18 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index b601fd6..e8dd495 100644
--- 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 665af8e..27f2e9d 100644
--- 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}