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authorAlan Modra <amodra@gmail.com>2003-10-16 08:46:35 +0000
committerAlan Modra <amodra@gmail.com>2003-10-16 08:46:35 +0000
commit8fbdf3ab3889cd9d29be083bc695a34f38999a6a (patch)
treea86f1cf83c701484c296c19bbfffd0e8a2eb2c26 /ld/genscripts.sh
parent9c4f8b734a888622cbb6d2f15c7271e3545f862e (diff)
downloadbinutils-gdb-8fbdf3ab3889cd9d29be083bc695a34f38999a6a.tar.gz
* Makefile.am (GENSCRIPTS_EXTRA, GEN_EXTRA_DEPENDS): Remove. Use
GENSCRIPTS and GEN_DEPENDS in place of these. * Makefile.in: Regenerate. * genscripts_extra.sh: Delete. Merge extra functionality to.. * genscripts.sh: ..here. * emulparams/gld960.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Define. * emulparams/gld960coff.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto. * emulparams/lnk960.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto. * emulparams/m88kbcs.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto. * emulparams/vanilla.sh (TEXT_START_ADDR, TARGET_PAGE_SIZE): Ditto.
Diffstat (limited to 'ld/genscripts.sh')
-rwxr-xr-xld/genscripts.sh99
1 files changed, 76 insertions, 23 deletions
diff --git a/ld/genscripts.sh b/ld/genscripts.sh
index c06c0d54304..4c7226ad6b0 100755
--- a/ld/genscripts.sh
+++ b/ld/genscripts.sh
@@ -1,15 +1,61 @@
#!/bin/sh
# genscripts.sh - generate the ld-emulation-target specific files
#
-# Usage: genscripts.sh srcdir libdir exec_prefix \
-# host target target_alias default_emulation \
-# native_lib_dirs use_sysroot this_emulation tool_dir
+# Usage: genscripts_extra.sh \
+# srcdir \
+# libdir \
+# exec_prefix \
+# host \
+# target \
+# target_alias \
+# default_emulation \
+# native_lib_dirs \
+# use_sysroot \
+# this_emulation \
+# optional:
+# tool_dir \
+# customizer_script
#
# Sample usage:
-# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib /usr/local \
-# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 \
-# "" no sun3 sparc-sun-sunos4.1.3
-# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c
+#
+# genscripts_extra.sh \
+# /sources/ld \
+# /usr/local/lib \
+# /usr/local \
+# sparc-sun-sunos4.1.3 \
+# sparc-sun-sunos4.1.3 \
+# sparc-sun-sunos4.1.3 \
+# sun4 \
+# "" \
+# no \
+# sun3 \
+# sparc-sun-sunos4.1.3 \
+# sparc.sh
+#
+# produces the linker scripts:
+#
+# sun3.x [default linker script]
+# sun3.xbn [used when the linker is invoked with "-N"]
+# sun3.xn [used when the linker is invoked with "-n"]
+# sun3.xr [used when the linker is invoked with "-r"]
+# sun3.xu [used when the linker is invoked with "-Ur"]
+# and maybe:
+# sun3.xc [used when the linker is invoked with "-z combreloc"]
+# sun3.xsc [used when the linker is invoked with "--shared"]
+# sun3.xdc [used when the linker is invoked with "-pie"]
+#
+# It also produced the C source file:
+#
+# em_sun3.c
+#
+# which is then compiled into the linker.
+#
+# The linker scripts are created by running the shell script
+# /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME}
+# (and any other variables it wants to). ${SCRIPT_NAME} is then
+# invoked with a variable called ${LD_FLAG} to tell it which version
+# of the linker script to create.
+
srcdir=$1
libdir=$2
@@ -22,16 +68,23 @@ NATIVE_LIB_DIRS=$8
use_sysroot=$9
shift 9
EMULATION_NAME=$1
-shift
-# Can't use ${1:-$target_alias} here due to an Ultrix shell bug.
-if [ "x$1" = "x" ] ; then
+TOOL_LIB=$2
+CUSTOMIZER_SCRIPT=$3
+
+# Can't use ${TOOL_LIB:-$target_alias} here due to an Ultrix shell bug.
+if [ "x${TOOL_LIB}" = "x" ] ; then
tool_lib=${exec_prefix}/${target_alias}/lib
else
- tool_lib=${exec_prefix}/$1/lib
+ tool_lib=${exec_prefix}/${TOOL_LIB}/lib
+fi
+
+if [ "x${CUSTOMIZER_SCRIPT}" = "x" ] ; then
+ CUSTOMIZER_SCRIPT=${EMULATION_NAME}
fi
+CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${CUSTOMIZER_SCRIPT}.sh"
# Include the emulation-specific parameters:
-. ${srcdir}/emulparams/${EMULATION_NAME}.sh
+. ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
if test -d ldscripts; then
true
@@ -164,7 +217,7 @@ fi
SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}}
# Determine DATA_ALIGNMENT for the 5 variants, using
-# values specified in the emulparams/<emulation>.sh file or default.
+# values specified in the emulparams/<script_to_run>.sh file or default.
DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
@@ -176,7 +229,7 @@ LD_FLAG=r
DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
( echo "/* Script for ld -r: link without relocation */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
@@ -184,7 +237,7 @@ LD_FLAG=u
DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
CONSTRUCTING=" "
( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
@@ -192,7 +245,7 @@ LD_FLAG=
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
RELOCATING=" "
( echo "/* Default linker script, for normal executables */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
@@ -200,14 +253,14 @@ LD_FLAG=n
DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}}
( echo "/* Script for -n: mix text and data on same page */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
LD_FLAG=N
DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
( echo "/* Script for -N: mix text and data on same page; don't align data */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
@@ -216,7 +269,7 @@ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
LD_FLAG=c
COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
( echo "/* Script for -z combreloc: combine and sort reloc sections */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
rm -f ${COMBRELOC}
@@ -230,7 +283,7 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
# Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
(
echo "/* Script for ld --shared: link shared library */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
@@ -238,7 +291,7 @@ if test -n "$GENERATE_SHLIB_SCRIPT"; then
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
rm -f ${COMBRELOC}
@@ -254,7 +307,7 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
# Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
(
echo "/* Script for ld -pie: link position independent executable */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
@@ -262,7 +315,7 @@ if test -n "$GENERATE_PIE_SCRIPT"; then
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
- . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
rm -f ${COMBRELOC}