[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From jan dot kratochvil at redhat dot com  2010-04-04 21:52 -------
*** Bug 9341 has been marked as a duplicate of this bug. ***

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                 CC|                            |stephenma at telus dot net


http://sourceware.org/bugzilla/show_bug.cgi?id=9436

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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From jan dot kratochvil at redhat dot com  2010-04-04 21:54 -------
Fix:
http://sourceware.org/ml/gdb-patches/2010-04/msg00059.html


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         AssignedTo|unassigned at sourceware dot|jan dot kratochvil at redhat
                   |org                         |dot com
            Version|6.7                         |7.1


http://sourceware.org/bugzilla/show_bug.cgi?id=9436

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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[pedro at codesourcery dot com]

------- Additional Comments From pedro at codesourcery dot com  2010-04-04 21:58 -------
No, not a complete fix for this one.  That patch doesn't fix the case of
a user breakpoint on top of a shared library event
breakpoint (BPSTAT_WHAT_CHECK_SHLIBS).


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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From jan dot kratochvil at redhat dot com  2010-04-04 22:14 -------
OK, sorry, closed only PR 9341 now.


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         AssignedTo|jan dot kratochvil at redhat|unassigned at sourceware dot
                   |dot com                     |org
             Status|ASSIGNED                    |NEW


http://sourceware.org/bugzilla/show_bug.cgi?id=9436

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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From jan dot kratochvil at redhat dot com  2010-05-17 21:47 -------
Fix of this PR (+associated 1/3 and 2/3):
Re: [patch 3/3] bpstat_what removal
http://sourceware.org/ml/gdb-patches/2010-05/msg00370.html


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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2010-06-24 15:17 -------
Subject: Bug 9436

CVSROOT:	/cvs/src
Module name:	src
Changes by:	jkratoch@sourceware.org	2010-06-24 15:17:32

Modified files:
	gdb            : ChangeLog breakpoint.c breakpoint.h inferior.h 
	                 infrun.c 
	gdb/testsuite  : ChangeLog 
Added files:
	gdb/testsuite/gdb.base: nostdlib.c nostdlib.exp 

Log message:
	gdb/
	Fix PR 9436.
	* breakpoint.c (handle_jit_event): New function.
	(bpstat_what): Remove enum class, kc, ss, sn, sgl, slr, clr, sr, shl,
	jit, err, table and bs_class.  New variables shlib_event, jit_event,
	this_action and bptype.  Change bs_class assignments to this_action
	assignments.  new unhandled bptype internal error.  Move here
	shlib_event and jit_event handling from handle_inferior_event.
	* breakpoint.h (enum bpstat_what_main_action): Extend the comment.
	Reorder items.  Remove BPSTAT_WHAT_CHECK_SHLIBS and
	BPSTAT_WHAT_CHECK_JIT.
	* inferior.h (debug_infrun, stop_on_solib_events): New declarations.
	* infrun.c (debug_infrun, stop_on_solib_events): Remove static.
	(handle_inferior_event): Reinitialize frame and gdbarch after
	bpstat_what call.  Move BPSTAT_WHAT_CHECK_SHLIBS and
	BPSTAT_WHAT_CHECK_JIT handling to bpstat_what.  Reinitialize even
	gdbarch when frame gets reinitialized.
	
	gdb/testsuite/
	Test PR 9436.
	* gdb.base/nostdlib.exp, gdb.base/nostdlib.c: New.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/ChangeLog.diff?cvsroot=src&r1=1.11920&r2=1.11921
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/breakpoint.c.diff?cvsroot=src&r1=1.492&r2=1.493
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/breakpoint.h.diff?cvsroot=src&r1=1.120&r2=1.121
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/inferior.h.diff?cvsroot=src&r1=1.144&r2=1.145
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/infrun.c.diff?cvsroot=src&r1=1.443&r2=1.444
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/ChangeLog.diff?cvsroot=src&r1=1.2347&r2=1.2348
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.base/nostdlib.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gdb/testsuite/gdb.base/nostdlib.exp.diff?cvsroot=src&r1=NONE&r2=1.1


------- Additional Comments From jan dot kratochvil at redhat dot com  2010-06-24 15:19 -------
http://sourceware.org/ml/gdb-cvs/2010-06/msg00160.html

gdb/
	Fix PR 9436.
	* breakpoint.c (handle_jit_event): New function.
	(bpstat_what): Remove enum class, kc, ss, sn, sgl, slr, clr, sr, shl,
	jit, err, table and bs_class.  New variables shlib_event, jit_event,
	this_action and bptype.  Change bs_class assignments to this_action
	assignments.  new unhandled bptype internal error.  Move here
	shlib_event and jit_event handling from handle_inferior_event.
	* breakpoint.h (enum bpstat_what_main_action): Extend the comment.
	Reorder items.  Remove BPSTAT_WHAT_CHECK_SHLIBS and
	BPSTAT_WHAT_CHECK_JIT.
	* inferior.h (debug_infrun, stop_on_solib_events): New declarations.
	* infrun.c (debug_infrun, stop_on_solib_events): Remove static.
	(handle_inferior_event): Reinitialize frame and gdbarch after
	bpstat_what call.  Move BPSTAT_WHAT_CHECK_SHLIBS and
	BPSTAT_WHAT_CHECK_JIT handling to bpstat_what.  Reinitialize even
	gdbarch when frame gets reinitialized.
	
gdb/testsuite/
	Test PR 9436.
	* gdb.base/nostdlib.exp, gdb.base/nostdlib.c: New.


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           What    |Removed                     |Added
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         AssignedTo|unassigned at sourceware dot|jan dot kratochvil at redhat
                   |org                         |dot com
             Status|NEW                         |ASSIGNED


http://sourceware.org/bugzilla/show_bug.cgi?id=9436

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[Bug breakpoints/9436] gdb cannot break on entry point for statically linked binaries

[jan dot kratochvil at redhat dot com]

------- Additional Comments From jan dot kratochvil at redhat dot com  2010-06-24 15:20 -------
$ ./gdb -nx /sbin/ldconfig
(gdb) info files 
...
	Entry point: 0x400360
...
(gdb) b *0x400360
Breakpoint 1 at 0x400360: file ../sysdeps/x86_64/elf/start.S, line 65.
(gdb) r
Starting program: /sbin/ldconfig 
Breakpoint 1, _start () at ../sysdeps/x86_64/elf/start.S:65
65		xorl %ebp, %ebp
(gdb) p/x $pc
$1 = 0x400360


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           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


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