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[deliverable/binutils-gdb.git] / ld / emulparams / criself.sh

diff --git a/ld/emulparams/criself.sh b/ld/emulparams/criself.sh
index 44d0a111bc919fe46574146ce59a4e7872fdd9d1..dcddc0fbbc3e233c11a366d0397501c49d87792d 100644 (file)
--- a/ld/emulparams/criself.sh
+++ b/ld/emulparams/criself.sh
@@ -2,28 +2,47 @@
 MACHINE=
 SCRIPT_NAME=elf
 TEMPLATE_NAME=elf32
-OUTPUT_FORMAT="elf32-cris"
+
+# Symbols have underscore prepended.
+OUTPUT_FORMAT="elf32-us-cris"
+NO_REL_RELOCS=yes
 ARCH=cris
 MAXPAGESIZE=32
-ENTRY=_start
+ENTRY=__start
 EMBEDDED=yes
 ALIGNMENT=32
 TEXT_START_ADDR=0
 
 # Put crt0 for flash/eprom etc. in this section.
-INITIAL_READONLY_SECTIONS='.startup : { *(.startup) }'
+INITIAL_READONLY_SECTIONS=
+if test -z "${CREATE_SHLIB}"; then
+  INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"
+fi
+INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}
+  .startup : { KEEP(*(.startup)) }"
+
+# Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want
+# most of the time, which is the start of all read-only sections;
+# there's at least .startup and .init before it.  We have to resort to
+# trickery.  Note that __Stext is always defined, not PROVIDE:d, since
+# external tools look for it.
+TEXT_START_SYMBOLS='__Stext = ADDR (.startup);'
 
-# TEXT_START_SYMBOLS doesn't get what we want which is the start of
-# all read-only sections; there's at least .init and .fini before it.
-# We have to resort to trickery.
-EXECUTABLE_SYMBOLS='PROVIDE (__Stext = .);'
+# The __start dance is to get us through assumptions about entry
+# symbols, and to clear _start for normal use with sane programs.
+EXECUTABLE_SYMBOLS='
+__start = DEFINED(__start) ? __start :
+  DEFINED(_start) ? _start :
+    DEFINED(start) ? start :
+      DEFINED(.startup) ? .startup + 2 : 2;
+'
 
 # Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
-OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);'
+OTHER_READONLY_SECTIONS="${RELOCATING+PROVIDE (__Etext = .);}"
 DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
 
 # Smuggle an "OTHER_DATA_END_SYMBOLS" here.
-OTHER_GOT_SECTIONS='PROVIDE (__Edata = .);'
+OTHER_SDATA_SECTIONS="${RELOCATING+PROVIDE (__Edata = .);}"
 
 # If .bss does not immediately follow .data but has its own start
 # address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we
@@ -31,35 +50,31 @@ OTHER_GOT_SECTIONS='PROVIDE (__Edata = .);'
 # end symbol.
 OTHER_BSS_END_SYMBOLS='
  PROVIDE (__Ebss = .);
- PROVIDE (__end = .);
- __Sbss = SIZEOF (.sbss) != 0 ? ADDR (.sbss) : ADDR (.bss);
+ __Sbss = ADDR (.bss);
  PROVIDE (_bss_start = __Sbss);
 '
+OTHER_END_SYMBOLS='PROVIDE (__end = .);'
+
+INIT_ADDR='ALIGN (2)'
 
 INIT_START='
- . = ALIGN(2);
  ___init__start = .;
  PROVIDE (___do_global_ctors = .);
- SHORT (0xe1fc); /* push srp */
- SHORT (0xbe7e);
 '
 
 INIT_END='
- SHORT (0x0d3e); /* jump [sp+] */
  PROVIDE (__init__end = .);
  PROVIDE (___init__end = .);
 '
 
+FINI_ADDR='ALIGN (2)'
+
 FINI_START='
- . = ALIGN (2);
  ___fini__start = .;
  PROVIDE (___do_global_dtors = .);
- SHORT (0xe1fc); /* push srp */
- SHORT (0xbe7e);
 '
 
 FINI_END='
- SHORT (0x0d3e); /* jump [sp+] */
  PROVIDE (__fini__end = .);
  ___fini__end = .;
 '
@@ -82,11 +97,10 @@ CTOR_END='
  ___elf_ctors_dtors_end = .;
 '
 
-
-# Smuggle an "OTHER_ALL_END_SYMBOLS" here.
 # Also add the other symbols provided for rsim/xsim and elinux.
-OTHER_RELOCATING_SECTIONS='
-PROVIDE (__Eall = .);
-PROVIDE (__Endmem = 0x10000000); 
-PROVIDE (__Stacksize = 0);
+OTHER_SYMBOLS='
+  PROVIDE (__Eall = .);
+  PROVIDE (__Endmem = 0x10000000);
+  PROVIDE (__Stacksize = 0);
 '
+NO_SMALL_DATA=yes