I don't know where you have gdb from, but it is not included in the latest xcode, afaik. If you install it by hand, or from brew, then you'll see what I saw.
Maybe you have a gdb version from an older xcode lying around, or I don't know. See also http://stackoverflow.com/questions/19554439/gdb-missing-in-os-x-mavericks Gabor On Sun, Jan 19, 2014 at 11:51 PM, Davor Cubranic <cubra...@stat.ubc.ca>wrote: > Iâm not sure whatâs going on with your setup, but this is what I get on my > machine when I press Ctrl-C just after the R prompt comes up when started > with âR -d gdb": > > Program received signal SIGINT, Interrupt. > 0x00007fff874179aa in select$DARWIN_EXTSN () > (gdb) bt > #0 0x00007fff874179aa in select$DARWIN_EXTSN () > #1 0x0000000100178bcf in R_SelectEx (n=1, readfds=0x100316bc0, > writefds=0x0, exceptfds=0x0, timeout=0x0, intr=0x100178800 > <handleInterrupt>) at sys-std.c:154 > #2 0x000000010017960b in R_checkActivityEx [inlined] () at :331 > #3 0x000000010017960b in Rstd_ReadConsole (prompt=0x7fff73ea07a8 > "P\003�s� ", buf=0x7fff5fbfe820 "`�_� ", len=1606412320, > addtohistory=1606407976) at sys-std.c:920 > #4 0x00000001000c4d19 in Rf_ReplIteration (rho=0x1018345f8, > savestack=1606412384, browselevel=0, state=0x7fff5fbfd728) at main.c:209 > #5 0x00000001000c5643 in R_ReplConsole [inlined] () at :307 > #6 0x00000001000c5643 in run_Rmainloop () at main.c:984 > #7 0x0000000100000e5b in main () > > Version info: > > OS X: 10.9.1 (Mavericks) > R: 3.0.2 (from CRAN) > gdb: 6.3.50-20050815 (Apple version gdb-1824) > Xcode: 5.0.2 > > Davor > > > On Jan 19, 2014, at 10:58 AM, Gábor Csárdi <csardi.ga...@gmail.com> wrote: > > On Sun, Jan 19, 2014 at 1:53 PM, Davor Cubranic <cubra...@stat.ubc.ca>wrote: > >> On Jan 17, 2014, at 6:17 AM, Gábor Csárdi <csardi.ga...@gmail.com> wrote: >> >> > Small note: if you are using a recent version of OSX, then gdb is >> > essentially useless, but you can use llvm, which is nicer in many >> respects, >> > anyway. >> >> >> What do you mean by this? Gdb is a debugger, and LLVM is a compiler >> infrastructure. Perhaps you mean âlldbâ? >> > > Yes, I meant lldb, sorry. > > >> Why do you say gdb is useless anyways? I havenât seen any problems with >> it on Mavericks. >> > > Depends what compiler you use, I guess. On a CRAN version of R, this is > what I get with gdb, after just pressing CTRL+C: > > Program received signal SIGINT, Interrupt. > 0x00007fff8fc449aa in ?? () > (gdb) bt > #0 0x00007fff8fc449aa in ?? () > #1 0x0000000100178bcf in ?? () > #2 0x0000040000000400 in ?? () > #3 0x0000000079fa5350 in ?? () > #4 0x0000000100178800 in ?? () > #5 0x00007fff79fa57a8 in ?? () > #6 0x0000000000000000 in ?? () > (gdb) > > which is not very useful. This is what I get with lldb: > > Process 52794 stopped > * thread #1: tid = 0x2c0802, 0x00007fff8fc449aa > libsystem_kernel.dylib`select$DARWIN_EXTSN + 10, queue = > 'com.apple.main-thread, stop reason = signal SIGSTOP > frame #0: 0x00007fff8fc449aa > libsystem_kernel.dylib`select$DARWIN_EXTSN + 10 > libsystem_kernel.dylib`select$DARWIN_EXTSN + 10: > -> 0x7fff8fc449aa: jae 0x7fff8fc449b4 ; select$DARWIN_EXTSN > + 20 > 0x7fff8fc449ac: movq %rax, %rdi > 0x7fff8fc449af: jmpq 0x7fff8fc4119a ; cerror > 0x7fff8fc449b4: ret > (lldb) bt > * thread #1: tid = 0x2c0802, 0x00007fff8fc449aa > libsystem_kernel.dylib`select$DARWIN_EXTSN + 10, queue = > 'com.apple.main-thread, stop reason = signal SIGSTOP > frame #0: 0x00007fff8fc449aa > libsystem_kernel.dylib`select$DARWIN_EXTSN + 10 > frame #1: 0x0000000100178bcf libR.dylib`R_SelectEx(n=1, > readfds=0x0000000100316bc0, writefds=0x0000000000000000, > exceptfds=0x0000000000000000, timeout=<unavailable>, intr=<unavailable>) + > 207 at sys-std.c:154 > frame #2: 0x000000010017960b libR.dylib`Rstd_ReadConsole [inlined] > R_checkActivityEx(ignore_stdin=0) + 266 at sys-std.c:331 > frame #3: 0x0000000100179501 > libR.dylib`Rstd_ReadConsole(prompt=0x00007fff79fa57a8, > buf=0x00007fff5fbfe910, len=1606412560, addtohistory=<unavailable>) + 1825 > at sys-std.c:920 > frame #4: 0x00000001000c4d19 > libR.dylib`Rf_ReplIteration(rho=0x00000001008549f8, savestack=1606412624, > browselevel=0, state=<unavailable>) + 185 at main.c:209 > frame #5: 0x00000001000c5643 libR.dylib`run_Rmainloop [inlined] > R_ReplConsole(browselevel=0, savestack=0, rho=0x00000001008549f8) + 116 at > main.c:307 > frame #6: 0x00000001000c55cf libR.dylib`run_Rmainloop + 79 at > main.c:984 > frame #7: 0x0000000100000e5b R`main + 27 > frame #8: 0x0000000100000e34 R`start + 52 > (lldb) > > I admit, "useless" was an overreaction, and maybe you can fix gdb somehow. > I just did not spend any time on trying to fix it. > > Gabor > > >> >> Davor > > > > [[alternative HTML version deleted]]
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