
I've been playing with a board file that forces every testcase to include a header file that does something like: #define main __gdb_testcase_main and then links an actual main() function that does some initialization and then jumps to __gdb_testcase_main. That runs into a number of testcases relying on main not having an explicit return statement, like e.g.,: gdb/build/gdb/testsuite/../../../src/gdb/testsuite/gdb.base/catch-follow-exec.c:27:1: warning: non-void function does not return a value [-Wreturn-type] gdb/build/gdb/testsuite/../../../src/gdb/testsuite/gdb.base/catch-signal.c:47:1: warning: non-void function does not return a value [-Wreturn-type] We don't get those warnings without my board because it is valid to not explicitly return from main. There's an implicit "return 0;". Since it doesn't hurt to be explicit, I've went ahead and added the explicit return statements. Also, a couple testcases either don't explicitly specify main's return type, or return void. Those are tweaked to explicitly return int. gdb/testsuite/ChangeLog: * gdb.base/catch-follow-exec.c (main): Add explicit return statement. * gdb.base/catch-signal.c (main): Likewise. * gdb.base/condbreak-call-false.c (main): Likewise. * gdb.base/consecutive.c (main): Add explicit return statement and return type. * gdb.base/cursal.c (main): Add explicit return statement. * gdb.base/cvexpr.c (main): Likewise. * gdb.base/display.c (main): Add explicit return statement and return type. * gdb.base/dprintf-detach.c (main): Add explicit return statement. * gdb.base/endianity.c (main): Likewise. * gdb.base/execd-prog.c (main): Likewise. * gdb.base/gdb1090.c (main): Likewise. * gdb.base/info_qt.c (main): Likewise. * gdb.base/lineinc.c (main): Likewise. * gdb.base/load-command.c (main): Likewise. * gdb.base/macscp1.c (main): Likewise. * gdb.base/pr10179-a.c (main): Likewise. * gdb.base/quit-live.c (main): Likewise. * gdb.base/scope0.c (main): Likewise. * gdb.base/settings.c (main): Likewise. * gdb.base/stack-checking.c (main): Return int. * gdb.base/varargs.c (main): Add explicit return statement. * gdb.cp/ambiguous.cc (main): Likewise. * gdb.cp/anon-struct.cc (main): Likewise. * gdb.cp/anon-union.cc (main): Likewise. * gdb.cp/bool.cc (main): Likewise. * gdb.cp/bs15503.cc (main): Likewise. * gdb.cp/cplusfuncs.cc (main): Likewise. * gdb.cp/cttiadd.cc (main): Likewise. * gdb.cp/extern-c.cc (main): Likewise. * gdb.cp/filename.cc (main): Likewise. * gdb.cp/formatted-ref.cc (main): Likewise. * gdb.cp/mb-ctor.cc (main): Likewise. * gdb.cp/member-ptr.cc (main): Likewise. * gdb.cp/minsym-fallback-main.cc (main): Likewise. * gdb.cp/overload-const.cc (main): Likewise. * gdb.cp/paren-type.cc (main): Likewise. * gdb.cp/parse-lang.cc (main): Likewise. * gdb.cp/pr-1023.cc (main): Likewise. * gdb.cp/psmang1.cc (main): Likewise. * gdb.cp/readnow-language.cc (main): Likewise. * gdb.cp/ref-params.cc (main): Likewise. * gdb.cp/rvalue-ref-params.cc (main): Likewise. * gdb.cp/virtbase2.cc (main): Likewise. * gdb.dwarf2/dw2-abs-hi-pc.c (main): Likewise. * gdb.dwarf2/dw2-namespaceless-anonymous.c (main): Likewise. * gdb.dwarf2/dw4-toplevel-types.cc (main): Likewise. * gdb.mi/mi-console.c (main): Likewise. * gdb.mi/mi-read-memory.c (main): Likewise. * gdb.modula2/multidim.c (main): Likewise. * gdb.opt/inline-small-func.c (main): Likewise. * gdb.python/py-rbreak.c (main): Likewise. * gdb.stabs/exclfwd1.c (main): Likewise. * gdb.trace/qtro.c (main): Likewise.
116 lines
2.1 KiB
C
116 lines
2.1 KiB
C
#include <stdio.h>
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#define SPLICE(a, b) INNER_SPLICE(a, b)
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#define INNER_SPLICE(a, b) a ## b
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#define STRINGIFY(a) INNER_STRINGIFY(a)
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#define INNER_STRINGIFY(a) #a
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#define FIFTY_SEVEN 57
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#define FORTY_EIGHT 48
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#undef FORTY_EIGHT
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struct outer
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{
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struct fields
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{
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struct fault
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{
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int addr;
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} fault;
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} fields;
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};
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struct outer address;
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#define addr fields.fault.addr
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/* A macro named UNTIL_<func> is #defined until just before the
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definition of the function <func>.
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A macro named BEFORE_<func> is not #defined until just before the
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definition of <func>.
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The macro WHERE is redefined before each function <func> to the
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token list ``before <func>''.
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The macscp IN_MACSCP2_H and IN_MACSCP3_H are defined while
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processing those header files; macscp4.h uses them to choose
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appropriate function names, output strings, and macro definitions. */
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#define UNTIL_MACSCP1_1
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#define UNTIL_MACSCP2_1
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#define UNTIL_MACSCP4_1_FROM_MACSCP2
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#define UNTIL_MACSCP4_2_FROM_MACSCP2
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#define UNTIL_MACSCP2_2
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#define UNTIL_MACSCP1_2
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#define UNTIL_MACSCP3_1
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#define UNTIL_MACSCP4_1_FROM_MACSCP3
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#define UNTIL_MACSCP4_2_FROM_MACSCP3
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#define UNTIL_MACSCP3_2
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#define UNTIL_MACSCP1_3
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#define WHERE before macscp1_1
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#define BEFORE_MACSCP1_1
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#undef UNTIL_MACSCP1_1
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void
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macscp1_1 ()
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{
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puts ("macscp1_1");
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}
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#include "macscp2.h"
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#undef WHERE
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#define WHERE before macscp1_2
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#define BEFORE_MACSCP1_2
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#undef UNTIL_MACSCP1_2
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void
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macscp1_2 ()
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{
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puts ("macscp1_2");
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}
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#include "macscp3.h"
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#undef WHERE
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#define WHERE before macscp1_3
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#define BEFORE_MACSCP1_3
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#undef UNTIL_MACSCP1_3
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void
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macscp1_3 ()
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{
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puts ("macscp1_3");
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}
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void
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macscp_expr (void)
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{
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int foo = -1;
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foo = 0; /* set breakpoint here */
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#define MACRO_TO_EXPAND foo
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foo = 1; /* set second breakpoint here */
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#undef MACRO_TO_EXPAND
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foo = 2; /* stopping point for line test */
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}
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#define TWENTY_THREE 23
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int
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main (int argc, char **argv)
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{
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macscp1_1 ();
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macscp2_1 ();
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macscp4_1_from_macscp2 ();
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macscp4_2_from_macscp2 ();
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macscp2_2 ();
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macscp1_2 ();
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macscp3_1 ();
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macscp4_1_from_macscp3 ();
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macscp4_2_from_macscp3 ();
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macscp3_2 ();
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macscp1_3 ();
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macscp_expr ();
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return 0;
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}
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