/* This test file is part of GDB, the GNU debugger.
- Copyright 1995, 1997, 1999, 2003 Free Software Foundation, Inc.
+ Copyright 1995, 1997, 1999, 2003, 2004 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Please email any bugs, comments, and/or additions to this file to:
bug-gdb@prep.ai.mit.edu */
-/* Often the behavior of any particular test depends upon what compiler was
- used to compile the test. As each test is compiled, this file is
- preprocessed by the same compiler used to compile that specific test
- (different tests might be compiled by different compilers, particularly
- if compiled at different times), and used to generate a *.ci (compiler
- info) file for that test.
+/* Sometimes the behavior of a test depends upon the compiler used to
+ compile the test program. A test script can call get_compiler_info
+ to figure out the compiler version and test_compiler_info to test it.
- I.E., when callfuncs is compiled, a callfuncs.ci file will be generated,
- which can then be sourced by callfuncs.exp to give callfuncs.exp access
- to information about the compilation environment.
+ get_compiler_info runs the preprocessor on this file and then eval's
+ the result. This sets various symbols for use by test_compiler_info.
- TODO: It might be a good idea to add expect code that tests each
- definition made with 'set" to see if one already exists, and if so
- warn about conflicts if it is being set to something else. */
+ TODO: make compiler_info a local variable for get_compiler_info and
+ test_compiler_info.
-/* This needs to be kept in sync with whatis.c and gdb.exp(get_compiler_info).
- If this ends up being hairy, we could use a common header file. */
+ TODO: all clients should use test_compiler_info and should not
+ use gcc_compiled, hp_cc_compiler, or hp_aCC_compiler.
-#if defined (__STDC__) || defined (_AIX)
-set signed_keyword_not_used 0
-#else
-set signed_keyword_not_used 1
-#endif
+ TODO: purge signed_keyword_not_used. */
+
+set compiler_info ""
#if defined (__GNUC__)
-set gcc_compiled __GNUC__
set compiler_info [join {gcc __GNUC__ __GNUC_MINOR__ } -]
+set gcc_compiled __GNUC__
#else
set gcc_compiled 0
-set compiler_info ""
#endif
-return 0
+#if defined (__HP_cc)
+set compiler_info [join {hpcc __HP_cc} -]
+set hp_cc_compiler __HP_cc
+#else
+set hp_cc_compiler 0
+#endif
+
+#if defined (__HP_aCC)
+set compiler_info [join {hpacc __HP_aCC} -]
+set hp_aCC_compiler __HP_aCC
+#else
+set hp_aCC_compiler 0
+#endif
+
+/* gdb.base/whatis.exp still uses this */
+#if defined (__STDC__) || defined (_AIX)
+set signed_keyword_not_used 0
+#else
+set signed_keyword_not_used 1
+#endif
Please email any bugs, comments, and/or additions to this file to:
bug-gdb@prep.ai.mit.edu */
-/* Often the behavior of any particular test depends upon what compiler was
- used to compile the test. As each test is compiled, this file is
- preprocessed by the same compiler used to compile that specific test
- (different tests might be compiled by different compilers, particularly
- if compiled at different times), and used to generate a *.ci (compiler
- info) file for that test.
+/* This file is exactly like compiler.c. I could just use compiler.c if
+ I could be sure that every C++ compiler accepted extensions of ".c". */
- I.E., when callfuncs is compiled, a callfuncs.ci file will be generated,
- which can then be sourced by callfuncs.exp to give callfuncs.exp access
- to information about the compilation environment.
-
- TODO: It might be a good idea to add expect code that tests each
- definition made with 'set" to see if one already exists, and if so
- warn about conflicts if it is being set to something else. */
+set compiler_info ""
#if defined (__GNUC__)
-set gcc_compiled __GNUC__
set compiler_info [join {gcc __GNUC__ __GNUC_MINOR__ } -]
+set gcc_compiled __GNUC__
#else
set gcc_compiled 0
-set compiler_info ""
#endif
-return 0
+#if defined (__HP_cc)
+set compiler_info [join {hpcc __HP_cc} -]
+set hp_cc_compiler __HP_cc
+#else
+set hp_cc_compiler 0
+#endif
+
+#if defined (__HP_aCC)
+set compiler_info [join {hpacc __HP_aCC} -]
+set hp_aCC_compiler __HP_aCC
+#else
+set hp_aCC_compiler 0
+#endif
+
+/* gdb.base/whatis.exp still uses this */
+#if defined (__STDC__) || defined (_AIX)
+set signed_keyword_not_used 0
+#else
+set signed_keyword_not_used 1
+#endif
# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-# 2002, 2003
+# 2002, 2003, 2004
# Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
return $skip_hp
}
-global compiler_info
-set compiler_info unknown
+set compiler_info "unknown"
+set gcc_compiled 0
+set hp_cc_compiler 0
+set hp_aCC_compiler 0
+set signed_keyword_not_used 0
+
+# Figure out what compiler I am using.
+#
+# BINFILE is a "compiler information" output file. This implementation
+# does not use BINFILE.
+#
+# ARGS can be empty or "C++". If empty, "C" is assumed.
+#
+# There are several ways to do this, with various problems.
+#
+# [ gdb_compile -E $ifile -o $binfile.ci ]
+# source $binfile.ci
+#
+# Single Unix Spec v3 says that "-E -o ..." together are not
+# specified. And in fact, the native compiler on hp-ux 11 (among
+# others) does not work with "-E -o ...". Most targets used to do
+# this, and it mostly worked, because it works with gcc.
+#
+# [ catch "exec $compiler -E $ifile > $binfile.ci" exec_output ]
+# source $binfile.ci
+#
+# This avoids the problem with -E and -o together. This almost works
+# if the build machine is the same as the host machine, which is
+# usually true of the targets which are not gcc. But this code does
+# not figure which compiler to call, and it always ends up using the C
+# compiler. Not good for setting hp_aCC_compiler. Targets
+# hppa*-*-hpux* and mips*-*-irix* used to do this.
+#
+# [ gdb_compile -E $ifile > $binfile.ci ]
+# source $binfile.ci
+#
+# dejagnu target_compile says that it supports output redirection,
+# but the code is completely different from the normal path and I
+# don't want to sweep the mines from that path. So I didn't even try
+# this.
+#
+# set cppout [ gdb_compile $ifile "" preprocess $args quiet ]
+# eval $cppout
+#
+# I actually do this for all targets now. gdb_compile runs the right
+# compiler, and TCL captures the output, and I eval the output.
+#
+# Unfortunately, expect logs the output of the command as it goes by,
+# and dejagnu helpfully prints a second copy of it right afterwards.
+# So I turn off expect logging for a moment.
+#
+# [ gdb_compile $ifile $ciexe_file executable $args ]
+# [ remote_exec $ciexe_file ]
+# [ source $ci_file.out ]
+#
+# I could give up on -E and just do this.
+# I didn't get desperate enough to try this.
+#
+# -- chastain 2004-01-06
proc get_compiler_info {binfile args} {
- # Create and source the file that provides information about the compiler
- # used to compile the test case.
- # Compiler_type can be null or c++. If null we assume c.
+ # For compiler.c and compiler.cc
global srcdir
- global subdir
- # These two come from compiler.c.
- global signed_keyword_not_used
- global gcc_compiled
+
+ # I am going to play with the log to keep noise out.
+ global outdir
+ global tool
+
+ # These come from compiler.c or compiler.cc
global compiler_info
+ global gcc_compiled
+ global hp_cc_compiler
+ global hp_aCC_compiler
+ global signed_keyword_not_used
- if {![istarget "hppa*-*-hpux*"] && ![istarget "mips*-*-irix*"]} {
- if { [llength $args] > 0 } {
- if {$args == "c++"} {
- if { [gdb_compile "${srcdir}/lib/compiler.cc" "${binfile}.ci" preprocess {}] != "" } {
- perror "Couldn't make ${binfile}.ci file"
- return 1;
- }
- }
- } else {
- if { [gdb_compile "${srcdir}/lib/compiler.c" "${binfile}.ci" preprocess {}] != "" } {
- perror "Couldn't make ${binfile}.ci file"
- return 1;
- }
- }
- } else {
- if { [llength $args] > 0 } {
- if {$args == "c++"} {
- if { [eval gdb_preprocess \
- [list "${srcdir}/lib/compiler.cc" "${binfile}.ci"] \
- $args] != "" } {
- perror "Couldn't make ${binfile}.ci file"
- return 1;
- }
- }
- } elseif { $args != "f77" } {
- if { [eval gdb_preprocess \
- [list "${srcdir}/lib/compiler.c" "${binfile}.ci"] \
- $args] != "" } {
- perror "Couldn't make ${binfile}.ci file"
- return 1;
- }
- }
+ # Choose which file to preprocess.
+ set ifile "${srcdir}/lib/compiler.c"
+ if { [llength $args] > 0 && [lindex $args 0] == "c++" } {
+ set ifile "${srcdir}/lib/compiler.cc"
}
-
- uplevel \#0 { set gcc_compiled 0 }
- if { [llength $args] == 0 || $args != "f77" } {
- source ${binfile}.ci
+ # Run $ifile through the right preprocessor.
+ # Toggle gdb.log to keep the compiler output out of the log.
+ log_file
+ set cppout [ gdb_compile "${ifile}" "" preprocess [list "$args" quiet] ]
+ log_file -a "$outdir/$tool.log"
+
+ # Source the output.
+ foreach cppline [ split "$cppout" "\n" ] {
+ if { ! [ regexp "^#" "$cppline" ] } {
+ if { ! [ regexp "^\[\n\r\t \]*$" "$cppline" ] } {
+ verbose "get_compiler_info: $cppline" 2
+ eval "$cppline"
+ }
+ }
}
+ verbose -log "get_compiler_info: $compiler_info"
# Most compilers will evaluate comparisons and other boolean
# operations to 0 or 1.
uplevel \#0 { set true 1 }
uplevel \#0 { set false 0 }
- uplevel \#0 { set hp_cc_compiler 0 }
- uplevel \#0 { set hp_aCC_compiler 0 }
- uplevel \#0 { set hp_f77_compiler 0 }
- uplevel \#0 { set hp_f90_compiler 0 }
- if { !$gcc_compiled && [istarget "hppa*-*-hpux*"] } {
- # Check for the HP compilers
- set compiler [lindex [split [get_compiler $args] " "] 0]
- catch "exec what $compiler" output
- if [regexp ".*HP aC\\+\\+.*" $output] {
- uplevel \#0 { set hp_aCC_compiler 1 }
- # Use of aCC results in boolean results being displayed as
- # "true" or "false"
- uplevel \#0 { set true true }
- uplevel \#0 { set false false }
- } elseif [regexp ".*HP C Compiler.*" $output] {
- uplevel \#0 { set hp_cc_compiler 1 }
- } elseif [regexp ".*HP-UX f77.*" $output] {
- uplevel \#0 { set hp_f77_compiler 1 }
- } elseif [regexp ".*HP-UX f90.*" $output] {
- uplevel \#0 { set hp_f90_compiler 1 }
- }
+ # Use of aCC results in boolean results being displayed as
+ # "true" or "false"
+ if { $hp_aCC_compiler } {
+ uplevel \#0 { set true true }
+ uplevel \#0 { set false false }
}
return 0;
return [string match $compiler $compiler_info]
}
-proc get_compiler {args} {
- global CC CC_FOR_TARGET CXX CXX_FOR_TARGET F77_FOR_TARGET
-
- if { [llength $args] == 0
- || ([llength $args] == 1 && [lindex $args 0] == "") } {
- set which_compiler "c"
- } else {
- if { $args =="c++" } {
- set which_compiler "c++"
- } elseif { $args =="f77" } {
- set which_compiler "f77"
- } else {
- perror "Unknown compiler type supplied to gdb_preprocess"
- return ""
- }
- }
-
- if [info exists CC_FOR_TARGET] {
- if {$which_compiler == "c"} {
- set compiler $CC_FOR_TARGET
- }
- }
-
- if [info exists CXX_FOR_TARGET] {
- if {$which_compiler == "c++"} {
- set compiler $CXX_FOR_TARGET
- }
- }
-
- if [info exists F77_FOR_TARGET] {
- if {$which_compiler == "f77"} {
- set compiler $F77_FOR_TARGET
- }
- }
-
- if { ![info exists compiler] } {
- if { $which_compiler == "c" } {
- if {[info exists CC]} {
- set compiler $CC
- }
- }
- if { $which_compiler == "c++" } {
- if {[info exists CXX]} {
- set compiler $CXX
- }
- }
- if {![info exists compiler]} {
- set compiler [board_info [target_info name] compiler];
- if { $compiler == "" } {
- perror "get_compiler: No compiler found"
- return ""
- }
- }
- }
-
- return $compiler
-}
-
-proc gdb_preprocess {source dest args} {
- set compiler [get_compiler "$args"]
- if { $compiler == "" } {
- return 1
- }
-
- set cmdline "$compiler -E $source > $dest"
-
- verbose "Invoking $compiler -E $source > $dest"
- verbose -log "Executing on local host: $cmdline" 2
- set status [catch "exec ${cmdline}" exec_output]
-
- set result [prune_warnings $exec_output]
- regsub "\[\r\n\]*$" "$result" "" result;
- regsub "^\[\r\n\]*" "$result" "" result;
- if { $result != "" } {
- clone_output "gdb compile failed, $result"
- }
- return $result;
-}
-
set gdb_wrapper_initialized 0
proc gdb_wrapper_init { args } {