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From: moore@sourceware.org To: frysk-cvs@sourceware.org Subject: [SCM] master: Don't descend into structure definitions when looking for a function definition Date: Wed, 02 Jan 2008 22:39:00 -0000 [thread overview] Message-ID: <20080102223938.10445.qmail@sourceware.org> (raw) The branch, master has been updated via a24692e579989250c60a2cbef2a32bd55b5790ca (commit) from 5d087b7b9f72f72791cc1349f384bf963c0599e5 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email. - Log ----------------------------------------------------------------- commit a24692e579989250c60a2cbef2a32bd55b5790ca Author: Tim Moore <timoore@redhat.com> Date: Wed Jan 2 22:45:33 2008 +0100 Don't descend into structure definitions when looking for a function definition This fixes Bugzilla 5467. frysk-sys/lib/dwfl/cni/ChangeLog: 2008-01-02 Tim Moore <timoore@redhat.com> * cni/DwarfDie.cxx (iterate_decl): Don't descend into struture and union types. frysk-core/frysk/hpd/ChangeLog: 2008-01-02 Tim Moore <timoore@redhat.com> * TestBreakpoints.java (testBreakOnStructMemberName): New test. frsyk-core/frysk/pkglibdir/ChangeLog: 2008-01-02 Tim Moore <timoore@redhat.com> * funit-structmember.c: New test with structure member and function that share a name. ----------------------------------------------------------------------- Summary of changes: frysk-core/frysk/hpd/ChangeLog | 4 ++++ frysk-core/frysk/hpd/TestBreakpoints.java | 16 ++++++++++++++++ frysk-core/frysk/pkglibdir/ChangeLog | 5 +++++ frysk-core/frysk/pkglibdir/funit-structmember.c | 17 +++++++++++++++++ frysk-sys/lib/dwfl/ChangeLog | 5 +++++ frysk-sys/lib/dwfl/cni/DwarfDie.cxx | 8 ++++---- 6 files changed, 51 insertions(+), 4 deletions(-) create mode 100644 frysk-core/frysk/pkglibdir/funit-structmember.c First 500 lines of diff: diff --git a/frysk-core/frysk/hpd/ChangeLog b/frysk-core/frysk/hpd/ChangeLog index 3dfa4e7..8a026a6 100644 --- a/frysk-core/frysk/hpd/ChangeLog +++ b/frysk-core/frysk/hpd/ChangeLog @@ -1,3 +1,7 @@ +2008-01-02 Tim Moore <timoore@redhat.com> + + * TestBreakpoints.java (testBreakOnStructMemberName): New test. + 2007-12-20 Phil Muldoon <pmuldoon@redhat.com> * InfoCommand.java: New. Add auxv, maps, debuginfo. diff --git a/frysk-core/frysk/hpd/TestBreakpoints.java b/frysk-core/frysk/hpd/TestBreakpoints.java index 6c1eae2..7d5ad4b 100644 --- a/frysk-core/frysk/hpd/TestBreakpoints.java +++ b/frysk-core/frysk/hpd/TestBreakpoints.java @@ -173,4 +173,20 @@ public class TestBreakpoints e.expect("Quitting..."); e.close(); } + + // Test if a breakpoint can be set on a function that has the same + // name as a structure member. + + public void testBreakOnStructMemberName() { + e = HpdTestbed.run("funit-structmember"); + e.send("break testfn\n"); + e.expect("break.*" + prompt); + e.send("go\n"); + e.expect("go.*" + prompt + ".*Breakpoint.*testfn.*"); + e.send("where\n"); + e.expect("where.*#0.* testfn *\\(.+\\).*" + prompt); + e.send("quit\n"); + e.expect("Quitting..."); + e.close(); + } } diff --git a/frysk-core/frysk/pkglibdir/ChangeLog b/frysk-core/frysk/pkglibdir/ChangeLog index 01dd56d..21191c8 100644 --- a/frysk-core/frysk/pkglibdir/ChangeLog +++ b/frysk-core/frysk/pkglibdir/ChangeLog @@ -1,3 +1,8 @@ +2008-01-02 Tim Moore <timoore@redhat.com> + + * funit-structmember.c: New test with structure member and function + that share a name. + 2007-12-21 Petr Machata <pmachata@redhat.com> * funit-calls.c (recursive): New function. diff --git a/frysk-core/frysk/pkglibdir/funit-structmember.c b/frysk-core/frysk/pkglibdir/funit-structmember.c new file mode 100644 index 0000000..9f7ac39 --- /dev/null +++ b/frysk-core/frysk/pkglibdir/funit-structmember.c @@ -0,0 +1,17 @@ +#include <stdlib.h> + +struct Foo +{ + int (*testfn)(void); +}; + +int testfn(void) +{ + return 42; +} + +int main() +{ + (void)testfn(); + return 0; +} diff --git a/frysk-sys/lib/dwfl/ChangeLog b/frysk-sys/lib/dwfl/ChangeLog index 99d3325..ad8aa0c 100644 --- a/frysk-sys/lib/dwfl/ChangeLog +++ b/frysk-sys/lib/dwfl/ChangeLog @@ -1,3 +1,8 @@ +2008-01-02 Tim Moore <timoore@redhat.com> + + * cni/DwarfDie.cxx (iterate_decl): Don't descend into struture and + union types. + 2007-12-14 Sami Wagiaalla <swagiaal@redhat.com> * DwarfDie.java (isDefinitionOnly): New function. diff --git a/frysk-sys/lib/dwfl/cni/DwarfDie.cxx b/frysk-sys/lib/dwfl/cni/DwarfDie.cxx index ea328be..9274ea8 100644 --- a/frysk-sys/lib/dwfl/cni/DwarfDie.cxx +++ b/frysk-sys/lib/dwfl/cni/DwarfDie.cxx @@ -571,16 +571,16 @@ iterate_decl (Dwarf_Die *die_p, char *sym, size_t nfiles) Dwarf_Word fileidx; attr = dwarf_attr (die, DW_AT_decl_file, &attr_mem); + int tag = dwarf_tag(die); // DW_TAG_enumerator doesn't have a DW_AT_decl_file if ((dwarf_formudata (attr, &fileidx) != 0 || (size_t)fileidx >= nfiles) - && dwarf_tag (die) != DW_TAG_enumerator) + && tag != DW_TAG_enumerator) continue; - if (name) if (strcmp(name, sym) == 0) return die; - - if (dwarf_haschildren (die)) + if (dwarf_haschildren (die) && tag != DW_TAG_structure_type + && tag != DW_TAG_union_type) { Dwarf_Die *result = iterate_decl (die, sym, nfiles); if (result != NULL) hooks/post-receive -- frysk system monitor/debugger
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