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authorhobbs <hobbs>1999-08-19 02:59:40 (GMT)
committerhobbs <hobbs>1999-08-19 02:59:40 (GMT)
commit827f1718a3c6ad6738473fca1d9ca562ece38f91 (patch)
treead660b8fb995c85c6ffd337c8056ed293d139e53 /library/ldAout.tcl
parent92e37b2bd18d8a5451699c466c1664e53403da57 (diff)
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1999-08-18 Jeff Hobbs <hobbs@scriptics.com>
* library/auto.tcl: * library/init.tcl: * library/ldAout.tcl: * library/package.tcl: * library/safe.tcl: * library/word.tcl: * library/http2.1/http.tcl: * library/msgcat1.0/msgcat.tcl: updated libraries to better Tcl style guide (no more string comparisons with == or !=, spacing changes).
Diffstat (limited to 'library/ldAout.tcl')
-rw-r--r--library/ldAout.tcl367
1 files changed, 180 insertions, 187 deletions
diff --git a/library/ldAout.tcl b/library/ldAout.tcl
index ad12624..e602e3a 100644
--- a/library/ldAout.tcl
+++ b/library/ldAout.tcl
@@ -18,7 +18,7 @@
# its .o file placed before all others in the command; then
# "ld" is executed to bind the objects together.
#
-# RCS: @(#) $Id: ldAout.tcl,v 1.3 1998/11/11 02:39:31 welch Exp $
+# RCS: @(#) $Id: ldAout.tcl,v 1.4 1999/08/19 02:59:40 hobbs Exp $
#
# Copyright (c) 1995, by General Electric Company. All rights reserved.
#
@@ -30,211 +30,204 @@
# F33615-94-C-4400.
proc tclLdAout {{cc {}} {shlib_suffix {}} {shlib_cflags none}} {
- global env
- global argv
-
- if {$cc==""} {
- set cc $env(CC)
- }
-
- # if only two parameters are supplied there is assumed that the
- # only shlib_suffix is missing. This parameter is anyway available
- # as "info sharedlibextension" too, so there is no need to transfer
- # 3 parameters to the function tclLdAout. For compatibility, this
- # function now accepts both 2 and 3 parameters.
-
- if {$shlib_suffix==""} {
- set shlib_cflags $env(SHLIB_CFLAGS)
- } else {
- if {$shlib_cflags=="none"} {
- set shlib_cflags $shlib_suffix
+ global env
+ global argv
+
+ if {[string equal $cc ""]} {
+ set cc $env(CC)
}
- }
- # seenDotO is nonzero if a .o or .a file has been seen
+ # if only two parameters are supplied there is assumed that the
+ # only shlib_suffix is missing. This parameter is anyway available
+ # as "info sharedlibextension" too, so there is no need to transfer
+ # 3 parameters to the function tclLdAout. For compatibility, this
+ # function now accepts both 2 and 3 parameters.
- set seenDotO 0
+ if {[string equal $shlib_suffix ""]} {
+ set shlib_cflags $env(SHLIB_CFLAGS)
+ } elseif {[string equal $shlib_cflags "none"]} {
+ set shlib_cflags $shlib_suffix
+ }
- # minusO is nonzero if the last command line argument was "-o".
+ # seenDotO is nonzero if a .o or .a file has been seen
+ set seenDotO 0
- set minusO 0
+ # minusO is nonzero if the last command line argument was "-o".
+ set minusO 0
- # head has command line arguments up to but not including the first
- # .o or .a file. tail has the rest of the arguments.
+ # head has command line arguments up to but not including the first
+ # .o or .a file. tail has the rest of the arguments.
+ set head {}
+ set tail {}
- set head {}
- set tail {}
+ # nmCommand is the "nm" command that lists global symbols from the
+ # object files.
+ set nmCommand {|nm -g}
- # nmCommand is the "nm" command that lists global symbols from the
- # object files.
+ # entryProtos is the table of _Init and _SafeInit prototypes found in the
+ # module.
+ set entryProtos {}
- set nmCommand {|nm -g}
+ # entryPoints is the table of _Init and _SafeInit entries found in the
+ # module.
+ set entryPoints {}
- # entryProtos is the table of _Init and _SafeInit prototypes found in the
- # module.
+ # libraries is the list of -L and -l flags to the linker.
+ set libraries {}
+ set libdirs {}
- set entryProtos {}
+ # Process command line arguments
+ foreach a $argv {
+ if {!$minusO && [regexp {\.[ao]$} $a]} {
+ set seenDotO 1
+ lappend nmCommand $a
+ }
+ if {$minusO} {
+ set outputFile $a
+ set minusO 0
+ } elseif {![string compare $a -o]} {
+ set minusO 1
+ }
+ if {[regexp {^-[lL]} $a]} {
+ lappend libraries $a
+ if {[regexp {^-L} $a]} {
+ lappend libdirs [string range $a 2 end]
+ }
+ } elseif {$seenDotO} {
+ lappend tail $a
+ } else {
+ lappend head $a
+ }
+ }
+ lappend libdirs /lib /usr/lib
+
+ # MIPS -- If there are corresponding G0 libraries, replace the
+ # ordinary ones with the G0 ones.
+
+ set libs {}
+ foreach lib $libraries {
+ if {[regexp {^-l} $lib]} {
+ set lname [string range $lib 2 end]
+ foreach dir $libdirs {
+ if {[file exists [file join $dir lib${lname}_G0.a]]} {
+ set lname ${lname}_G0
+ break
+ }
+ }
+ lappend libs -l$lname
+ } else {
+ lappend libs $lib
+ }
+ }
+ set libraries $libs
- # entryPoints is the table of _Init and _SafeInit entries found in the
- # module.
+ # Extract the module name from the "-o" option
- set entryPoints {}
+ if {![info exists outputFile]} {
+ error "-o option must be supplied to link a Tcl load module"
+ }
+ set m [file tail $outputFile]
+ if {[regexp {\.a$} $outputFile]} {
+ set shlib_suffix .a
+ } else {
+ set shlib_suffix ""
+ }
+ if {[regexp {\..*$} $outputFile match]} {
+ set l [expr {[string length $m] - [string length $match]}]
+ } else {
+ error "Output file does not appear to have a suffix"
+ }
+ set modName [string tolower $m 0 [expr {$l-1}]]
+ if {[regexp {^lib} $modName]} {
+ set modName [string range $modName 3 end]
+ }
+ if {[regexp {[0-9\.]*(_g0)?$} $modName match]} {
+ set modName [string range $modName 0 [expr {[string length $modName]-[string length $match]-1}]]
+ }
+ set modName [string totitle $modName]
+
+ # Catalog initialization entry points found in the module
+
+ set f [open $nmCommand r]
+ while {[gets $f l] >= 0} {
+ if {[regexp {T[ ]*_?([A-Z][a-z0-9_]*_(Safe)?Init(__FP10Tcl_Interp)?)$} $l trash symbol]} {
+ if {![regexp {_?([A-Z][a-z0-9_]*_(Safe)?Init)} $symbol trash s]} {
+ set s $symbol
+ }
+ append entryProtos {extern int } $symbol { (); } \n
+ append entryPoints { } \{ { "} $s {", } $symbol { } \} , \n
+ }
+ }
+ close $f
- # libraries is the list of -L and -l flags to the linker.
+ if {[string equal $entryPoints ""]} {
+ error "No entry point found in objects"
+ }
- set libraries {}
- set libdirs {}
+ # Compose a C function that resolves the initialization entry points and
+ # embeds the required libraries in the object code.
+
+ set C {#include <string.h>}
+ append C \n
+ append C {char TclLoadLibraries_} $modName { [] =} \n
+ append C { "@LIBS: } $libraries {";} \n
+ append C $entryProtos
+ append C {static struct } \{ \n
+ append C { char * name;} \n
+ append C { int (*value)();} \n
+ append C \} {dictionary [] = } \{ \n
+ append C $entryPoints
+ append C { 0, 0 } \n \} \; \n
+ append C {typedef struct Tcl_Interp Tcl_Interp;} \n
+ append C {typedef int Tcl_PackageInitProc (Tcl_Interp *);} \n
+ append C {Tcl_PackageInitProc *} \n
+ append C TclLoadDictionary_ $modName { (symbol)} \n
+ append C { char * symbol;} \n
+ append C {
+ {
+ int i;
+ for (i = 0; dictionary [i] . name != 0; ++i) {
+ if (!strcmp (symbol, dictionary [i] . name)) {
+ return dictionary [i].value;
+ }
+ }
+ return 0;
+ }
+ }
+ append C \n
- # Process command line arguments
- foreach a $argv {
- if {!$minusO && [regexp {\.[ao]$} $a]} {
- set seenDotO 1
- lappend nmCommand $a
- }
- if {$minusO} {
- set outputFile $a
- set minusO 0
- } elseif {![string compare $a -o]} {
- set minusO 1
- }
- if {[regexp {^-[lL]} $a]} {
- lappend libraries $a
- if {[regexp {^-L} $a]} {
- lappend libdirs [string range $a 2 end]
- }
- } elseif {$seenDotO} {
- lappend tail $a
+ # Write the C module and compile it
+
+ set cFile tcl$modName.c
+ set f [open $cFile w]
+ puts -nonewline $f $C
+ close $f
+ set ccCommand "$cc -c $shlib_cflags $cFile"
+ puts stderr $ccCommand
+ eval exec $ccCommand
+
+ # Now compose and execute the ld command that packages the module
+
+ if {[string equal $shlib_suffix ".a"]} {
+ set ldCommand "ar cr $outputFile"
+ regsub { -o} $tail {} tail
} else {
- lappend head $a
- }
- }
- lappend libdirs /lib /usr/lib
-
- # MIPS -- If there are corresponding G0 libraries, replace the
- # ordinary ones with the G0 ones.
-
- set libs {}
- foreach lib $libraries {
- if {[regexp {^-l} $lib]} {
- set lname [string range $lib 2 end]
- foreach dir $libdirs {
- if {[file exists [file join $dir lib${lname}_G0.a]]} {
- set lname ${lname}_G0
- break
- }
- }
- lappend libs -l$lname
- } else {
- lappend libs $lib
- }
- }
- set libraries $libs
-
- # Extract the module name from the "-o" option
-
- if {![info exists outputFile]} {
- error "-o option must be supplied to link a Tcl load module"
- }
- set m [file tail $outputFile]
- if {[regexp {\.a$} $outputFile]} {
- set shlib_suffix .a
- } else {
- set shlib_suffix ""
- }
- if {[regexp {\..*$} $outputFile match]} {
- set l [expr {[string length $m] - [string length $match]}]
- } else {
- error "Output file does not appear to have a suffix"
- }
- set modName [string tolower [string range $m 0 [expr {$l-1}]]]
- if {[regexp {^lib} $modName]} {
- set modName [string range $modName 3 end]
- }
- if {[regexp {[0-9\.]*(_g0)?$} $modName match]} {
- set modName [string range $modName 0 [expr {[string length $modName]-[string length $match]-1}]]
- }
- set modName "[string toupper [string index $modName 0]][string range $modName 1 end]"
-
- # Catalog initialization entry points found in the module
-
- set f [open $nmCommand r]
- while {[gets $f l] >= 0} {
- if {[regexp {T[ ]*_?([A-Z][a-z0-9_]*_(Safe)?Init(__FP10Tcl_Interp)?)$} $l trash symbol]} {
- if {![regexp {_?([A-Z][a-z0-9_]*_(Safe)?Init)} $symbol trash s]} {
- set s $symbol
- }
- append entryProtos {extern int } $symbol { (); } \n
- append entryPoints { } \{ { "} $s {", } $symbol { } \} , \n
+ set ldCommand ld
+ foreach item $head {
+ lappend ldCommand $item
+ }
}
- }
- close $f
-
- if {$entryPoints==""} {
- error "No entry point found in objects"
- }
-
- # Compose a C function that resolves the initialization entry points and
- # embeds the required libraries in the object code.
-
- set C {#include <string.h>}
- append C \n
- append C {char TclLoadLibraries_} $modName { [] =} \n
- append C { "@LIBS: } $libraries {";} \n
- append C $entryProtos
- append C {static struct } \{ \n
- append C { char * name;} \n
- append C { int (*value)();} \n
- append C \} {dictionary [] = } \{ \n
- append C $entryPoints
- append C { 0, 0 } \n \} \; \n
- append C {typedef struct Tcl_Interp Tcl_Interp;} \n
- append C {typedef int Tcl_PackageInitProc (Tcl_Interp *);} \n
- append C {Tcl_PackageInitProc *} \n
- append C TclLoadDictionary_ $modName { (symbol)} \n
- append C { char * symbol;} \n
- append C {{
- int i;
- for (i = 0; dictionary [i] . name != 0; ++i) {
- if (!strcmp (symbol, dictionary [i] . name)) {
- return dictionary [i].value;
- }
+ lappend ldCommand tcl$modName.o
+ foreach item $tail {
+ lappend ldCommand $item
}
- return 0;
-}} \n
-
- # Write the C module and compile it
-
- set cFile tcl$modName.c
- set f [open $cFile w]
- puts -nonewline $f $C
- close $f
- set ccCommand "$cc -c $shlib_cflags $cFile"
- puts stderr $ccCommand
- eval exec $ccCommand
-
- # Now compose and execute the ld command that packages the module
-
- if {$shlib_suffix == ".a"} {
- set ldCommand "ar cr $outputFile"
- regsub { -o} $tail {} tail
- } else {
- set ldCommand ld
- foreach item $head {
- lappend ldCommand $item
+ puts stderr $ldCommand
+ eval exec $ldCommand
+ if {[string equal $shlib_suffix ".a"]} {
+ exec ranlib $outputFile
}
- }
- lappend ldCommand tcl$modName.o
- foreach item $tail {
- lappend ldCommand $item
- }
- puts stderr $ldCommand
- eval exec $ldCommand
- if {$shlib_suffix == ".a"} {
- exec ranlib $outputFile
- }
-
- # Clean up working files
-
- exec /bin/rm $cFile [file rootname $cFile].o
+
+ # Clean up working files
+ exec /bin/rm $cFile [file rootname $cFile].o
}