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* [Bug breakpoints/15360] New: can't step into function @ 2013-04-11 23:49 dje at google dot com 2013-04-11 23:56 ` [Bug breakpoints/15360] " dje at google dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: dje at google dot com @ 2013-04-11 23:49 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 Bug #: 15360 Summary: can't step into function Product: gdb Version: HEAD Status: NEW Severity: normal Priority: P2 Component: breakpoints AssignedTo: unassigned@sourceware.org ReportedBy: dje@google.com Classification: Unclassified Compiling this with -g, stepping into "function" doesn't work. (gdb) start Temporary breakpoint 1 at 0x400508: file foo.c, line 23. Starting program: /home/dje/src/play/a.out Temporary breakpoint 1, main (argc=1, argv=0x7fffffffe848) at foo.c:23 23 function(); (gdb) s [Inferior 1 (process 19896) exited normally] (gdb) struct foo { int i; ~foo(){return;}; }; int function() { do{ int i = 0; int j = i + 4; foo bar; if(0) { continue; } return 1; }while(1); } int main (int argc, char* argv[]) { function(); return 0; } -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com @ 2013-04-11 23:56 ` dje at google dot com 2013-04-12 8:52 ` palves at redhat dot com ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: dje at google dot com @ 2013-04-11 23:56 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 --- Comment #1 from dje at google dot com 2013-04-11 23:56:44 UTC --- gdb is putting the step-resume bkpt at the wrong place. (gdb) disas function Dump of assembler code for function function(): 0x00000000004004b4 <+0>: push %rbp 0x00000000004004b5 <+1>: mov %rsp,%rbp 0x00000000004004b8 <+4>: push %r12 0x00000000004004ba <+6>: push %rbx 0x00000000004004bb <+7>: sub $0x10,%rsp 0x00000000004004bf <+11>: jmp 0x4004c2 <function()+14> 0x00000000004004c1 <+13>: nop 0x00000000004004c2 <+14>: movl $0x0,-0x18(%rbp) 0x00000000004004c9 <+21>: mov -0x18(%rbp),%eax 0x00000000004004cc <+24>: add $0x4,%eax 0x00000000004004cf <+27>: mov %eax,-0x14(%rbp) 0x00000000004004d2 <+30>: mov $0x1,%r12d 0x00000000004004d8 <+36>: mov $0x1,%ebx 0x00000000004004dd <+41>: lea -0x20(%rbp),%rax 0x00000000004004e1 <+45>: mov %rax,%rdi 0x00000000004004e4 <+48>: callq 0x400514 <foo::~foo()> 0x00000000004004e9 <+53>: test %ebx,%ebx 0x00000000004004eb <+55>: je 0x4004c1 <function()+13> 0x00000000004004ed <+57>: mov %r12d,%eax 0x00000000004004f0 <+60>: add $0x10,%rsp 0x00000000004004f4 <+64>: pop %rbx 0x00000000004004f5 <+65>: pop %r12 0x00000000004004f7 <+67>: pop %rbp 0x00000000004004f8 <+68>: retq End of assembler dump. ... Temporary breakpoint 2, main (argc=1, argv=0x7fffffffe848) at foo.c:23 23 function(); (gdb) s infrun: clear_proceed_status_thread (process 20005) infrun: proceed (addr=0xffffffffffffffff, signal=144, step=1) infrun: resume (step=1, signal=0), trap_expected=0, current thread [process 20005] at 0x400508 infrun: wait_for_inferior () infrun: target_wait (-1, status) = infrun: 20005 [process 20005], infrun: status->kind = stopped, signal = SIGTRAP infrun: infwait_normal_state infrun: TARGET_WAITKIND_STOPPED infrun: stop_pc = 0x4004b4 infrun: stepped into subroutine infrun: inserting step-resume breakpoint at 0x4004c1 infrun: resume (step=0, signal=0), trap_expected=0, current thread [process 20005] at 0x4004b4 infrun: prepare_to_wait infrun: target_wait (-1, status) = infrun: 20005 [process 20005], infrun: status->kind = exited, status = 0 infrun: infwait_normal_state infrun: TARGET_WAITKIND_EXITED [Inferior 1 (process 20005) exited normally] infrun: stop_stepping -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com 2013-04-11 23:56 ` [Bug breakpoints/15360] " dje at google dot com @ 2013-04-12 8:52 ` palves at redhat dot com 2013-04-12 17:59 ` tromey at redhat dot com ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: palves at redhat dot com @ 2013-04-12 8:52 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 Pedro Alves <palves at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |palves at redhat dot com --- Comment #2 from Pedro Alves <palves at redhat dot com> 2013-04-12 08:52:17 UTC --- A simpler reproducer: (gdb) b function Breakpoint 1 at 0x400569: file pr15360.c, line 9. (gdb) r ... ...exited normally. GDB wants to put the breakpoint after the prologue of 'function', but: (gdb) disassemble /m function Dump of assembler code for function function(): 8 { 0x000000000040055c <+0>: push %rbp 0x000000000040055d <+1>: mov %rsp,%rbp 0x0000000000400560 <+4>: push %r12 0x0000000000400562 <+6>: push %rbx 0x0000000000400563 <+7>: sub $0x10,%rsp 0x0000000000400567 <+11>: jmp 0x40056a <function()+14> 9 do{ 0x0000000000400569 <+13>: nop 10 int i = 0; 0x000000000040056a <+14>: movl $0x0,-0x14(%rbp) -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com 2013-04-11 23:56 ` [Bug breakpoints/15360] " dje at google dot com 2013-04-12 8:52 ` palves at redhat dot com @ 2013-04-12 17:59 ` tromey at redhat dot com 2013-04-12 18:16 ` palves at redhat dot com ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: tromey at redhat dot com @ 2013-04-12 17:59 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 Tom Tromey <tromey at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tromey at redhat dot com --- Comment #3 from Tom Tromey <tromey at redhat dot com> 2013-04-12 17:59:53 UTC --- I think bug #12257 is related. I think I tested changing the code mentioned there, but I don't recall the results. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com ` (2 preceding siblings ...) 2013-04-12 17:59 ` tromey at redhat dot com @ 2013-04-12 18:16 ` palves at redhat dot com 2013-04-12 18:26 ` palves at redhat dot com 2024-01-08 16:49 ` ssbssa at sourceware dot org 5 siblings, 0 replies; 7+ messages in thread From: palves at redhat dot com @ 2013-04-12 18:16 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 --- Comment #4 from Pedro Alves <palves at redhat dot com> 2013-04-12 18:16:00 UTC --- Note that changing the code mentioned there wouldn't fix the simpler "b; run" reproducer above. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com ` (3 preceding siblings ...) 2013-04-12 18:16 ` palves at redhat dot com @ 2013-04-12 18:26 ` palves at redhat dot com 2024-01-08 16:49 ` ssbssa at sourceware dot org 5 siblings, 0 replies; 7+ messages in thread From: palves at redhat dot com @ 2013-04-12 18:26 UTC (permalink / raw) To: gdb-prs http://sourceware.org/bugzilla/show_bug.cgi?id=15360 --- Comment #5 from Pedro Alves <palves at redhat dot com> 2013-04-12 18:26:38 UTC --- I noticed Jan added a similar reproducer to http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52160 IMO, this is a GCC bug. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug breakpoints/15360] can't step into function 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com ` (4 preceding siblings ...) 2013-04-12 18:26 ` palves at redhat dot com @ 2024-01-08 16:49 ` ssbssa at sourceware dot org 5 siblings, 0 replies; 7+ messages in thread From: ssbssa at sourceware dot org @ 2024-01-08 16:49 UTC (permalink / raw) To: gdb-prs https://sourceware.org/bugzilla/show_bug.cgi?id=15360 Hannes Domani <ssbssa at sourceware dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bkorb at gnu dot org --- Comment #6 from Hannes Domani <ssbssa at sourceware dot org> --- *** Bug 15784 has been marked as a duplicate of this bug. *** -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-01-08 16:49 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-04-11 23:49 [Bug breakpoints/15360] New: can't step into function dje at google dot com 2013-04-11 23:56 ` [Bug breakpoints/15360] " dje at google dot com 2013-04-12 8:52 ` palves at redhat dot com 2013-04-12 17:59 ` tromey at redhat dot com 2013-04-12 18:16 ` palves at redhat dot com 2013-04-12 18:26 ` palves at redhat dot com 2024-01-08 16:49 ` ssbssa at sourceware dot org
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