2001-11-27 H.J. Lu <hjl@gnu.org>

* emulparams/elf_i386.sh (NO_SMALL_DATA): Set to yes. * emulparams/elf_i386_be.sh (NO_SMALL_DATA): Likewise. * emulparams/elf_i386_chaos.sh (NO_SMALL_DATA): Likewise. * emulparams/elf_i386_ldso.sh (NO_SMALL_DATA): Likewise. * emulparams/elf_x86_64.sh (NO_SMALL_DATA): Likewise. * emulparams/m68kelf.sh (NO_SMALL_DATA): Likewise. * emulparams/elf32_sparc.sh (NO_SMALL_DATA): Likewise. * emulparams/elf64_sparc.sh (NO_SMALL_DATA): Likewise. * scripttempl/elf.sc (SBSS): New. Define if ${NO_SMALL_DATA} is not empty. (SDATA): Likewise. (REL_SDATA): Likewise. (REL_SBSS): Likewise. (REL_SDATA2): Likewise. (REL_SBSS2): Likewise. (SBSS2): Define if ${NO_SMALL_DATA} is not empty. (SDATA2): Likewise.
2001-11-27 19:06:07 +00:00 · 2001-11-27 19:06:07 +00:00 · 484593416a
commit 484593416a
parent 163c1c309e
10 changed files with 67 additions and 28 deletions
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@ -1,3 +1,24 @@
+2001-11-27  H.J. Lu <hjl@gnu.org>
+
+	* emulparams/elf_i386.sh (NO_SMALL_DATA): Set to yes.
+	* emulparams/elf_i386_be.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/elf_i386_chaos.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/elf_i386_ldso.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/elf_x86_64.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/m68kelf.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/elf32_sparc.sh (NO_SMALL_DATA): Likewise.
+	* emulparams/elf64_sparc.sh (NO_SMALL_DATA): Likewise.
+
+	* scripttempl/elf.sc (SBSS): New. Define if ${NO_SMALL_DATA} 
+	is not empty.
+	(SDATA): Likewise.
+	(REL_SDATA): Likewise.
+	(REL_SBSS): Likewise.
+	(REL_SDATA2): Likewise.
+	(REL_SBSS2): Likewise.
+	(SBSS2): Define if ${NO_SMALL_DATA} is not empty.
+	(SDATA2): Likewise.
+
 2001-11-25  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

 	* scripttempl/elfm68hc11.sc (CTOR, DTOR): Put constructor and
--- a/ld/emulparams/elf32_sparc.sh
+++ b/ld/emulparams/elf32_sparc.sh
@ -9,3 +9,4 @@ MACHINE=
 TEMPLATE_NAME=elf32
 DATA_PLT=
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/emulparams/elf64_sparc.sh
+++ b/ld/emulparams/elf64_sparc.sh
@ -8,6 +8,7 @@ MACHINE=
 DATA_PLT=
 GENERATE_SHLIB_SCRIPT=yes
 NOP=0x01000000
+NO_SMALL_DATA=yes

 case "$target" in
  sparc*-solaris*)
--- a/ld/emulparams/elf_i386.sh
+++ b/ld/emulparams/elf_i386.sh
@ -8,3 +8,4 @@ MACHINE=
 NOP=0x90909090
 TEMPLATE_NAME=elf32
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/emulparams/elf_i386_be.sh
+++ b/ld/emulparams/elf_i386_be.sh
@ -9,3 +9,4 @@ MACHINE=
 NOP=0x90909090
 TEMPLATE_NAME=elf32
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/emulparams/elf_i386_chaos.sh
+++ b/ld/emulparams/elf_i386_chaos.sh
@ -8,3 +8,4 @@ MACHINE=
 NOP=0x90909090
 TEMPLATE_NAME=elf32
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/emulparams/elf_i386_ldso.sh
+++ b/ld/emulparams/elf_i386_ldso.sh
@ -9,3 +9,4 @@ NOP=0x90909090
 TEMPLATE_NAME=elf32
 GENERATE_SHLIB_SCRIPT=yes
 ELF_INTERPRETER_NAME=\"/usr/lib/ld.so.1\"
+NO_SMALL_DATA=yes
--- a/ld/emulparams/elf_x86_64.sh
+++ b/ld/emulparams/elf_x86_64.sh
@ -9,3 +9,4 @@ MACHINE=
 NOP=0x90909090
 TEMPLATE_NAME=elf32
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/emulparams/m68kelf.sh
+++ b/ld/emulparams/m68kelf.sh
@ -9,3 +9,4 @@ NOP=0x4e754e75
 TEMPLATE_NAME=elf32
 EXTRA_EM_FILE=m68kelf
 GENERATE_SHLIB_SCRIPT=yes
+NO_SMALL_DATA=yes
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@ -1,6 +1,8 @@
 #
 # Unusual variables checked by this code:
 #	NOP - four byte opcode for no-op (defaults to 0)
+#	NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not
+#		empty.
 #	DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
 #	INITIAL_READONLY_SECTIONS - at start of text segment
 #	OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
@ -72,8 +74,36 @@ INTERP=".interp       ${RELOCATING-0} : { *(.interp) }"
 PLT=".plt          ${RELOCATING-0} : { *(.plt) }"
 DYNAMIC=".dynamic      ${RELOCATING-0} : { *(.dynamic) }"
 RODATA=".rodata       ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
-SBSS2=".sbss2        ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
-SDATA2=".sdata2       ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
+if test -z "${NO_SMALL_DATA}"; then
+  SBSS=".sbss         ${RELOCATING-0} :
+  {
+    ${RELOCATING+PROVIDE (__sbss_start = .);}
+    ${RELOCATING+PROVIDE (___sbss_start = .);}
+    *(.dynsbss)
+    *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
+    *(.scommon)
+    ${RELOCATING+PROVIDE (__sbss_end = .);}
+    ${RELOCATING+PROVIDE (___sbss_end = .);}
+  }"
+  SBSS2=".sbss2        ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
+  SDATA="/* 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.  */
+  .sdata        ${RELOCATING-0} : 
+  {
+    ${RELOCATING+${SDATA_START_SYMBOLS}}
+    *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
+  }"
+  SDATA2=".sdata2       ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
+  REL_SDATA=".rel.sdata    ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
+  .rela.sdata   ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
+  REL_SBSS=".rel.sbss     ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
+  .rela.sbss    ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }"
+  REL_SDATA2=".rel.sdata2   ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
+  .rela.sdata2  ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }"
+  REL_SBSS2=".rel.sbss2    ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
+  .rela.sbss2   ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }"
+fi
 CTOR=".ctors        ${CONSTRUCTING-0} : 
  {
    ${CONSTRUCTING+${CTOR_START}}
@ -177,14 +207,10 @@ eval $COMBRELOCCAT <<EOF
  .rel.got      ${RELOCATING-0} : { *(.rel.got) }
  .rela.got     ${RELOCATING-0} : { *(.rela.got) }
  ${OTHER_GOT_RELOC_SECTIONS}
-  .rel.sdata    ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
-  .rela.sdata   ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }
-  .rel.sbss     ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
-  .rela.sbss    ${RELOCATING-0} : { *(.rela.sbss${RELOCATING+ .rela.sbss.* .rela.gnu.linkonce.sb.*}) }
-  .rel.sdata2   ${RELOCATING-0} : { *(.rel.sdata2${RELOCATING+ .rel.sdata2.* .rel.gnu.linkonce.s2.*}) }
-  .rela.sdata2  ${RELOCATING-0} : { *(.rela.sdata2${RELOCATING+ .rela.sdata2.* .rela.gnu.linkonce.s2.*}) }
-  .rel.sbss2    ${RELOCATING-0} : { *(.rel.sbss2${RELOCATING+ .rel.sbss2.* .rel.gnu.linkonce.sb2.*}) }
-  .rela.sbss2   ${RELOCATING-0} : { *(.rela.sbss2${RELOCATING+ .rela.sbss2.* .rela.gnu.linkonce.sb2.*}) }
+  ${REL_SDATA}
+  ${REL_SBSS}
+  ${REL_SDATA2}
+  ${REL_SBSS2}
  .rel.bss      ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
  .rela.bss     ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
 EOF
@ -266,29 +292,13 @@ cat <<EOF
  ${OTHER_GOT_SECTIONS}
  ${CREATE_SHLIB+${SDATA2}}
  ${CREATE_SHLIB+${SBSS2}}
-  /* 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.  */
-  .sdata        ${RELOCATING-0} : 
-  {
-    ${RELOCATING+${SDATA_START_SYMBOLS}}
-    *(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
-  }
+  ${SDATA}
  ${OTHER_SDATA_SECTIONS}
  ${RELOCATING+_edata = .;}
  ${RELOCATING+PROVIDE (edata = .);}
  ${RELOCATING+__bss_start = .;}
  ${RELOCATING+${OTHER_BSS_SYMBOLS}}
-  .sbss         ${RELOCATING-0} :
-  {
-    ${RELOCATING+PROVIDE (__sbss_start = .);}
-    ${RELOCATING+PROVIDE (___sbss_start = .);}
-    *(.dynsbss)
-    *(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
-    *(.scommon)
-    ${RELOCATING+PROVIDE (__sbss_end = .);}
-    ${RELOCATING+PROVIDE (___sbss_end = .);}
-  }
+  ${SBSS}
  ${BSS_PLT+${PLT}}
  .bss          ${RELOCATING-0} :
  {