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authorIan Lance Taylor <ian@airs.com>1996-07-15 15:58:00 +0000
committerIan Lance Taylor <ian@airs.com>1996-07-15 15:58:00 +0000
commit888b0b2fa0256db0746fb6f7e642e8e6b8e6d34a (patch)
tree5a8d7e4269ebad12bd5902a6954ad541a056f5d1
parentade7264c940a0608292fbcb48eb9d9723708fcee (diff)
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Mon Jul 15 11:49:49 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Round the value of __start_SECNAME to the alignment required by the section to be placed.
-rw-r--r--ld/ChangeLog6
-rw-r--r--ld/emultempl/elf32.em37
2 files changed, 34 insertions, 9 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 0010899..0e2e6ce 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+Mon Jul 15 11:49:49 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Round
+ the value of __start_SECNAME to the alignment required by the
+ section to be placed.
+
Tue Jul 9 12:09:02 1996 Ian Lance Taylor <ian@cygnus.com>
* configure.tgt (mips*el-*-elf*): Use elf32elmip.
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index 71e34b5..fe0b1b9 100644
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -1,9 +1,12 @@
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
+# This file is now misnamed, because it supports both 32 bit and 64 bit
+# ELF emulations.
+test -z "${ELFSIZE}" && ELFSIZE=32
cat >e${EMULATION_NAME}.c <<EOF
/* This file is is generated by a shell script. DO NOT EDIT! */
-/* 32 bit ELF emulation code for ${EMULATION_NAME}
+/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
Copyright (C) 1991, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Steve Chamberlain <sac@cygnus.com>
ELF support by Ian Lance Taylor <ian@cygnus.com>
@@ -133,6 +136,7 @@ gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
EOF
if [ "x${host}" = "x${target}" ] ; then
+ if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
/* For a native linker, check the file /etc/ld.so.conf for directories
@@ -215,6 +219,7 @@ gld${EMULATION_NAME}_check_ld_so_conf (name)
}
EOF
+ fi
fi
cat >>e${EMULATION_NAME}.c <<EOF
@@ -287,11 +292,13 @@ gld${EMULATION_NAME}_after_open ()
}
EOF
if [ "x${host}" = "x${target}" ] ; then
+ if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
if (gld${EMULATION_NAME}_search_needed (lib_path, l->name))
continue;
EOF
+ fi
fi
cat >>e${EMULATION_NAME}.c <<EOF
len = strlen (l->name);
@@ -311,10 +318,12 @@ cat >>e${EMULATION_NAME}.c <<EOF
continue;
EOF
if [ "x${host}" = "x${target}" ] ; then
+ if [ "x${DEFAULT_EMULATION}" = "x${EMULATION_NAME}" ] ; then
cat >>e${EMULATION_NAME}.c <<EOF
if (gld${EMULATION_NAME}_check_ld_so_conf (l->name))
continue;
EOF
+ fi
fi
cat >>e${EMULATION_NAME}.c <<EOF
@@ -548,12 +557,12 @@ gld${EMULATION_NAME}_before_allocation ()
rpath = command_line.rpath;
if (rpath == NULL)
rpath = (const char *) getenv ("LD_RUN_PATH");
- if (! bfd_elf32_size_dynamic_sections (output_bfd,
- command_line.soname,
- rpath,
- command_line.export_dynamic,
- &link_info,
- &sinterp))
+ if (! bfd_elf${ELFSIZE}_size_dynamic_sections (output_bfd,
+ command_line.soname,
+ rpath,
+ command_line.export_dynamic,
+ &link_info,
+ &sinterp))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
/* Let the user override the dynamic linker we are using. */
@@ -676,7 +685,7 @@ gld${EMULATION_NAME}_find_exp_assignment (exp)
case etree_assign:
if (strcmp (exp->assign.dst, ".") != 0)
{
- if (! (bfd_elf32_record_link_assignment
+ if (! (bfd_elf${ELFSIZE}_record_link_assignment
(output_bfd, &link_info, exp->assign.dst,
exp->type.node_class == etree_provide ? true : false)))
einfo ("%P%F: failed to record assignment to %s: %E\n",
@@ -711,6 +720,7 @@ gld${EMULATION_NAME}_find_exp_assignment (exp)
static asection *hold_section;
static lang_output_section_statement_type *hold_use;
static lang_output_section_statement_type *hold_text;
+static lang_output_section_statement_type *hold_rodata;
static lang_output_section_statement_type *hold_data;
static lang_output_section_statement_type *hold_bss;
static lang_output_section_statement_type *hold_rel;
@@ -769,6 +779,10 @@ gld${EMULATION_NAME}_place_orphan (file, s)
else if (strncmp (secname, ".rel", 4) == 0
&& hold_rel != NULL)
place = hold_rel;
+ else if ((s->flags & SEC_CODE) == 0
+ && (s->flags & SEC_READONLY) != 0
+ && hold_rodata != NULL)
+ place = hold_rodata;
else if ((s->flags & SEC_READONLY) != 0
&& hold_text != NULL)
place = hold_text;
@@ -807,7 +821,9 @@ gld${EMULATION_NAME}_place_orphan (file, s)
symname = (char *) xmalloc (ps - secname + sizeof "__start_");
sprintf (symname, "__start_%s", secname);
lang_add_assignment (exp_assop ('=', symname,
- exp_nameop (NAME, ".")));
+ exp_unop (ALIGN_K,
+ exp_intop ((bfd_vma) 1
+ << s->alignment_power))));
}
if (! link_info.relocateable)
@@ -862,11 +878,14 @@ gld${EMULATION_NAME}_place_section (s)
if (strcmp (os->name, ".text") == 0)
hold_text = os;
+ else if (strcmp (os->name, ".rodata") == 0)
+ hold_rodata = os;
else if (strcmp (os->name, ".data") == 0)
hold_data = os;
else if (strcmp (os->name, ".bss") == 0)
hold_bss = os;
else if (hold_rel == NULL
+ && os->bfd_section != NULL
&& strncmp (os->name, ".rel", 4) == 0)
hold_rel = os;
}