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PODebugging MacOSX Cocoa applications with command line gdb (without XCode)
 

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    <p>I use a cross platform toolkit which wraps Objective-C so i do not/can not use XCode. Just the pure command line and plain old makefiles.</p> <p>I compile my source code with "gcc -Wall -g -O0 " but when running it under gdb control i do not get the stack frames or valid source code lines.</p> <p>First: What can i do to get this work. Second: How can i use XCode (3.0) giving me a GUI frontend for gdb.</p> <p>This is what i get when setting a breakpoint and doing a "backtrace" gdb command</p> <pre><code>0 0x918194a9 in malloc_error_break () #1 0x91814497 in szone_error () #2 0x9173e523 in szone_free () #3 0x9173e38d in free () #4 0x000d3c53 in Agui_Paint_Context::checkFontColor () #5 0x000b2c81 in Agui_Color_Button::attribute_table () #6 0x000e5b2e in Agui_Scroll_Canvas_Scrolling_Mixin::~Agui_Scroll_Canvas_Scrolling_Mixin () #7 0x000e8968 in Agui_Scroll_Canvas_Scrolling_Mixin::~Agui_Scroll_Canvas_Scrolling_Mixin () #8 0x000e8cd9 in Agui_Scroll_Canvas_Scrolling_Mixin::~Agui_Scroll_Canvas_Scrolling_Mixin () #9 0x93325e8f in -[NSApplication sendAction:to:from:] () #10 0x93325dcc in -[NSControl sendAction:to:] () #11 0x93325c52 in -[NSCell _sendActionFrom:] () #12 0x933252ab in -[NSCell trackMouse:inRect:ofView:untilMouseUp:] () #13 0x93324afe in -[NSButtonCell trackMouse:inRect:ofView:untilMouseUp:] () #14 0x933243b8 in -[NSControl mouseDown:] () #15 0x93322af7 in -[NSWindow sendEvent:] () #16 0x932ef6a5 in -[NSApplication sendEvent:] () #17 0x0008dc6e in Agui_Attribute_Type_Boolean::~Agui_Attribute_Type_Boolean () #18 0x9324cfe7 in -[NSApplication run] () #19 0x0008e6b7 in Agui_Attribute_Type_Boolean::~Agui_Attribute_Type_Boolean () #20 0x0003faba in ?? () #21 0x00073ddd in ?? () #22 0x0007c996 in ?? () #23 0x00004bb2 in ?? () #24 0x00002d76 in ?? () (gdb) </code></pre> <p>The "Agui_" functions do exist but they are totally wrong. It looks like the file/line association is broken. So i have to fix first before i get any valid GUI support from XCode.</p> <p>UPDATE: Ok, i was able to setup a project and debug the application from inside XCode but this is not what i really want. The command line debugging still doesn't work even when i changed -g now with -gdwarf-2</p>
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