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a66469e003
load.c (load_object, load_file): Accept an additional argument DLP and return in it a pointer that can be used to unload the dynamic object. read.c (eval): Call load_file with an additional argument, and record the pointer returned there in the 'struct file' object of dynamic objects in that object's 'struct file'. commands.c (execute_file_commands): Unload dynamic objects before remaking them, to avoid failure to remake if the OS doesn't allow overwriting objects that are in use. filedef.h (struct file): New member dlopen_ptr. gnumake.h (GMK_EXPORT): Define to dllexport/dllimport decorations for Windows and to nothing on other platforms. (gmk_eval, gmk_expand, gmk_add_function): Add GMK_EXPORT qualifier to prototypes. makeint.h (MAIN): Define before including gnumake.h, to give correct dllexport decorations to exported functions. (load_file): Adjust prototype. loadapi.c: Don't include gnumake.h, since makeint.h already includes it, and takes care of defining MAIN before doing so. build_w32.bat (LinkGCC): Produce an import library for functions exported by Make for loadable dynamic objects. w32/compat/posixfcn.c (dlclose): New function. w32/include/dlfcn.h (dlclose): Add prototype. scripts/features/load: Fix signatures of testload_gmk_setup and explicit_setup, to bring them in line with the documentation.
101 lines
2.4 KiB
Perl
101 lines
2.4 KiB
Perl
# -*-perl-*-
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$description = "Test the load operator.";
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$details = "Test dynamic loading of modules.";
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# Don't do anything if this system doesn't support "load"
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exists $FEATURES{load} or return -1;
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my $sobuild = '$(CC) '.($srcdir? "-I$srcdir":'').' -g -shared -fPIC -o $@ $<';
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# First build a shared object
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# Provide both a default and non-default load symbol
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unlink(qw(testload.c testload.so));
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open(my $F, '> testload.c') or die "open: testload.c: $!\n";
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print $F <<'EOF' ;
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#include <string.h>
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#include <stdio.h>
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#include "gnumake.h"
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int
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testload_gmk_setup (gmk_floc *pos)
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{
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gmk_eval ("TESTLOAD = implicit", 0);
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return 1;
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}
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int
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explicit_setup (gmk_floc *pos)
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{
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gmk_eval ("TESTLOAD = explicit", 0);
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return 1;
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}
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EOF
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close($F) or die "close: testload.c: $!\n";
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# Make sure we can compile
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run_make_test('testload.so: testload.c ; @'.$sobuild, '', '');
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# TEST 1
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run_make_test(q!
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PRE := $(.LOADED)
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load testload.so
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POST := $(.LOADED)
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all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
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!,
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'', "pre= post=testload.so implicit\n");
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# TEST 2
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# Load using an explicit function
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run_make_test(q!
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PRE := $(.LOADED)
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load ./testload.so(explicit_setup)
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POST := $(.LOADED)
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all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
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!,
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'', "pre= post=testload.so explicit\n");
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# TEST 4
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# Check multiple loads
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run_make_test(q!
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PRE := $(.LOADED)
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load ./testload.so
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load testload.so(explicit_setup)
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POST := $(.LOADED)
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all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
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!,
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'', "pre= post=testload.so implicit\n");
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# TEST 5
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# Check auto-rebuild of loaded file that's out of date
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utouch(-10, 'testload.so');
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touch('testload.c');
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run_make_test(q!
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PRE := $(.LOADED)
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load ./testload.so
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POST := $(.LOADED)
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all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
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testload.so: testload.c ; @echo "rebuilding $@"; !.$sobuild,
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'', "rebuilding testload.so\npre= post=testload.so implicit\n");
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# TEST 5
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# Check auto-rebuild of loaded file when it doesn't exist
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unlink('testload.so');
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run_make_test(q!
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PRE := $(.LOADED)
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-load ./testload.so(explicit_setup)
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POST := $(.LOADED)
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all: ; @echo pre=$(PRE) post=$(POST) $(TESTLOAD)
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%.so: %.c ; @echo "rebuilding $@"; !.$sobuild,
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'', "rebuilding testload.so\npre= post=testload.so explicit\n");
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unlink(qw(testload.c testload.so)) unless $keep;
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# This tells the test driver that the perl test script executed properly.
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1;
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