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genscripts.sh (104878) genscripts.sh (130575)
1#!/bin/sh
2# genscripts.sh - generate the ld-emulation-target specific files
3#
4# Usage: genscripts.sh srcdir libdir host target target_alias \
5# default_emulation native_lib_dirs this_emulation
6#
7# Sample usage:
8# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib sparc-sun-sunos4.1.3 \
9# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 "" sun3 sparc-sun-sunos4.1.3
10# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c
11#
1#!/bin/sh
2# genscripts.sh - generate the ld-emulation-target specific files
3#
4# Usage: genscripts.sh srcdir libdir host target target_alias \
5# default_emulation native_lib_dirs this_emulation
6#
7# Sample usage:
8# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib sparc-sun-sunos4.1.3 \
9# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 "" sun3 sparc-sun-sunos4.1.3
10# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c
11#
12# $FreeBSD: head/gnu/usr.bin/binutils/ld/genscripts.sh 104878 2002-10-11 10:07:46Z obrien $
12# $FreeBSD: head/gnu/usr.bin/binutils/ld/genscripts.sh 130575 2004-06-16 07:09:44Z obrien $
13#
14# This is a cut-down version of the GNU script. Instead of jumping through
15# hoops for all possible combinations of paths, just use the libdir
16# argument in place of LIB_PATH.
17#
13#
14# This is a cut-down version of the GNU script. Instead of jumping through
15# hoops for all possible combinations of paths, just use the libdir
16# argument in place of LIB_PATH.
17#
18# The host, target and target_alias arguments are not used in this version.
18# The exec_prefix, target_alias, use_sysroot, NATIVE_LIB_DIRS, TOOL_LIB, CUSTOMIZER_SCRIPT
19# arguments are not used in this version.
19#
20
21srcdir=$1
22libdir=$2
20#
21
22srcdir=$1
23libdir=$2
23host=$3
24target=$4
25target_alias=$5
26EMULATION_LIBPATH=$6
27NATIVE_LIB_DIRS=$7
28EMULATION_NAME=$8
24exec_prefix=$3
25host=$4
26target=$5
27target_alias=$6
28EMULATION_LIBPATH=$7
29NATIVE_LIB_DIRS=$8
30use_sysroot=$9
31shift 9
32EMULATION_NAME=$1
33TOOL_LIB=$2
34CUSTOMIZER_SCRIPT=$3
29
35
36# Create the 'CUSTOMIZER_SCRIPT' knob to better sync this script with
37# FSF BU ver 2.15 which allows for a more generic emulparams processing.
38# To reduce the diff, I also include the ${EMULATION_NAME} parameter in uses
39# of 'CUSTOMIZER_SCRIPT'.
40CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
41
30# Include the emulation-specific parameters:
42# Include the emulation-specific parameters:
31. ${srcdir}/emulparams/${EMULATION_NAME}.sh
43. ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
32
33if test -d ldscripts; then
34 true
35else
36 mkdir ldscripts
37fi
38
44
45if test -d ldscripts; then
46 true
47else
48 mkdir ldscripts
49fi
50
51# Set some flags for the emultempl scripts. USE_LIBPATH will
52# be set for any libpath-using emulation.
53 USE_LIBPATH=yes
54
39# Set the library search path, for libraries named by -lfoo.
40# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
41# Otherwise, the default is set here.
42#
43# The format is the usual list of colon-separated directories.
44# To force a logically empty LIB_PATH, do LIBPATH=":".
45
46LIB_SEARCH_DIRS=`echo ${libdir} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'`
55# Set the library search path, for libraries named by -lfoo.
56# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
57# Otherwise, the default is set here.
58#
59# The format is the usual list of colon-separated directories.
60# To force a logically empty LIB_PATH, do LIBPATH=":".
61
62LIB_SEARCH_DIRS=`echo ${libdir} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'`
47#2.13 LIB_SEARCH_DIRS=`echo ${libdir} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
63#2.13: LIB_SEARCH_DIRS=`echo ${libdir} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
48
49# Generate 5 or 6 script files from a master script template in
50# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6
51# script files is actually used depends on command line options given
52# to ld. (SCRIPT_NAME was set in the emulparams_file.)
53#
54# A .x script file is the default script.
55# A .xr script is for linking without relocation (-r flag).

--- 10 unchanged lines hidden (view full) ---

66# if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
67# $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation
68# parameters too.
69
70if [ "x$SCRIPT_NAME" = "xelf" ]; then
71 GENERATE_COMBRELOC_SCRIPT=yes
72fi
73
64
65# Generate 5 or 6 script files from a master script template in
66# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6
67# script files is actually used depends on command line options given
68# to ld. (SCRIPT_NAME was set in the emulparams_file.)
69#
70# A .x script file is the default script.
71# A .xr script is for linking without relocation (-r flag).

--- 10 unchanged lines hidden (view full) ---

82# if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
83# $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation
84# parameters too.
85
86if [ "x$SCRIPT_NAME" = "xelf" ]; then
87 GENERATE_COMBRELOC_SCRIPT=yes
88fi
89
74SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}}
90#2.13: SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}}
91SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}}
75
76# Determine DATA_ALIGNMENT for the 5 variants, using
77# values specified in the emulparams/<emulation>.sh file or default.
78
79DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
80DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
81DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}"
82DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}"
83DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
84
85LD_FLAG=r
86DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
87DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
88( echo "/* Script for ld -r: link without relocation */"
92
93# Determine DATA_ALIGNMENT for the 5 variants, using
94# values specified in the emulparams/<emulation>.sh file or default.
95
96DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
97DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
98DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}"
99DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}"
100DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
101
102LD_FLAG=r
103DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
104DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
105( echo "/* Script for ld -r: link without relocation */"
89 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
106 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
90 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
91) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
92
93LD_FLAG=u
94DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
95CONSTRUCTING=" "
96( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
107 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
108) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
109
110LD_FLAG=u
111DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
112CONSTRUCTING=" "
113( echo "/* Script for ld -Ur: link w/out relocation, do create constructors */"
97 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
114 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
98 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
99) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
100
101LD_FLAG=
102DATA_ALIGNMENT=${DATA_ALIGNMENT_}
103RELOCATING=" "
104( echo "/* Default linker script, for normal executables */"
115 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
116) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
117
118LD_FLAG=
119DATA_ALIGNMENT=${DATA_ALIGNMENT_}
120RELOCATING=" "
121( echo "/* Default linker script, for normal executables */"
105 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
122 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
106 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
107) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
108
109LD_FLAG=n
110DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
111TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}}
112( echo "/* Script for -n: mix text and data on same page */"
123 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
124) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
125
126LD_FLAG=n
127DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
128TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}}
129( echo "/* Script for -n: mix text and data on same page */"
113 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
130 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
114 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
115) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
116
117LD_FLAG=N
118DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
119( echo "/* Script for -N: mix text and data on same page; don't align data */"
131 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
132) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
133
134LD_FLAG=N
135DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
136( echo "/* Script for -N: mix text and data on same page; don't align data */"
120 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
137 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
121 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
122) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
123
124if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
125 DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
126 LD_FLAG=c
127 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
128 ( echo "/* Script for -z combreloc: combine and sort reloc sections */"
138 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
139) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
140
141if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
142 DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
143 LD_FLAG=c
144 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
145 ( echo "/* Script for -z combreloc: combine and sort reloc sections */"
129 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
146 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
130 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
131 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
132 rm -f ${COMBRELOC}
133 COMBRELOC=
134fi
135
136if test -n "$GENERATE_SHLIB_SCRIPT"; then
137 LD_FLAG=shared
138 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
139 CREATE_SHLIB=" "
140 # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
141 (
142 echo "/* Script for ld --shared: link shared library */"
147 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
148 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
149 rm -f ${COMBRELOC}
150 COMBRELOC=
151fi
152
153if test -n "$GENERATE_SHLIB_SCRIPT"; then
154 LD_FLAG=shared
155 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
156 CREATE_SHLIB=" "
157 # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
158 (
159 echo "/* Script for ld --shared: link shared library */"
143 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
160 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
144 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
145 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
146 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
147 LD_FLAG=cshared
148 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
149 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
150 ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
161 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
162 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
163 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
164 LD_FLAG=cshared
165 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
166 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
167 ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
151 . ${srcdir}/emulparams/${EMULATION_NAME}.sh
168 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
152 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
153 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
154 rm -f ${COMBRELOC}
155 COMBRELOC=
156 fi
169 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
170 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
171 rm -f ${COMBRELOC}
172 COMBRELOC=
173 fi
174 unset CREATE_SHLIB
157fi
158
175fi
176
177if test -n "$GENERATE_PIE_SCRIPT"; then
178 LD_FLAG=pie
179 DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
180 CREATE_PIE=" "
181 # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
182 (
183 echo "/* Script for ld -pie: link position independent executable */"
184 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
185 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
186 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
187 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
188 LD_FLAG=cpie
189 DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
190 COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
191 ( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
192 . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
193 . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
194 ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
195 rm -f ${COMBRELOC}
196 COMBRELOC=
197 fi
198 unset CREATE_PIE
199fi
200
159case " $EMULATION_LIBPATH " in
160 *" ${EMULATION_NAME} "*) COMPILE_IN=true;;
161esac
162
163# Generate e${EMULATION_NAME}.c.
164. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
201case " $EMULATION_LIBPATH " in
202 *" ${EMULATION_NAME} "*) COMPILE_IN=true;;
203esac
204
205# Generate e${EMULATION_NAME}.c.
206. ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em