On Fri, 18 Mar 2005, Seth Falcon wrote: > I'm trying to follow the example in the R for Windows FAQ on running > gdb and am getting stuck because gdb tells me "Cannot access memory at > address ...". > > Here's what my gdb session looks like (This one from a cygwin shell, > but same results from plain Windows CMD shell): > > $ cd R-devel/src/gnuwin32 > $ gdb ../../bin/Rgui.exe > GNU gdb 5.2.1 > Copyright 2002 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i686-pc-mingw32"... > (gdb) break WinMain > Breakpoint 1 at 0x401296: file ../graphapp/graphappmain.c, line 59. > (gdb) run > Starting program: y:\falcon\src\R-devel\src\gnuwin32/../../bin/Rgui.exe > > Breakpoint 1, WinMain (Instance=0x400000, PrevInstance=0x0, > CmdLine=0x261f26 "", CmdShow=10) at ../graphapp/graphappmain.c:59 > 59 startgraphapp(Instance, PrevInstance, CmdShow); > (gdb) break R_ReadConsole > Cannot access memory at address 0x23e17 > (gdb) info symbol 0x23e17 > R_ReadConsole in section .text > (gdb) > > Any suggestions? Attempting to set other break points (do_BLAH) gives > the same result.
Not a Windows developer so this may be off but did you try loading the shared library prior to setting your breakpoint? (gdb) break WinMain (gdb) run (gdb) info share ---------------------------------------------------------- SIGSIG -- signature too long (core dumped) ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
