Hi David, Thanks for your elaborate response. I got the following as an output with ldd: $ ldd -v hello_world not a dynamic executable
Can you please tell me what to now? Thanks and Regards, Neel Mehta Fourth year Undergraduate student, Electrical Engineering, IIT Bombay On Tue, Jan 25, 2011 at 7:08 PM, David G. Koontz <[email protected]>wrote: > On 25/01/11 8:29 PM, Neel Mehta wrote: > > Hi. > > > > I have installed ghdl in Ubuntu 10.10 (using apt-get from the repository) > > and used the hello_world example available in the ghdl manual. I can > analyze > > (-a) and elaborate (-e) successfully but when I try to run/execute (-r) > it, > > I get the following error: > > /usr/lib/ghdl/bin/ghdl: compilation error > > > > I saw your post on stackoverflow, too. > > The string "compilation error" is output in the routine My_Spawn in > ghdldrv/ghdldrv.adb > > grep My_Spawn * > ghdldrv.adb: procedure My_Spawn (Program_Name : String; Args : > Argument_List) > ghdldrv.adb: end My_Spawn; > ghdldrv.adb: My_Spawn (Compiler_Path.all, Args (1 .. P + 3)); > ghdldrv.adb: My_Spawn (Post_Processor_Path.all, Args (1 .. P + > 3)); > ghdldrv.adb: My_Spawn (Assembler_Path.all, Args (1 .. P + > 3)); > ghdldrv.adb: My_Spawn (Linker_Path.all, Args (1 .. P)); > ghdldrv.adb: My_Spawn ('.' & Directory_Separator & Base_Name.all, > ghdldrv.adb: My_Spawn ('.' & Directory_Separator & Output_File.all, > > You can see it's called to invoked the compiler, the assembler, the linker > and two direct instances for elaborated run of the model. That the model > manually fails with "Permission denied" as well as getting the "compilation > error" says something is failing external to ghdl. > > Check your dynamic libraries. > > ldd hello_world > linux-gate.so.1 => (0x00d21000) > libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0x00aa8000) > libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0x00b9f000) > libgnat-4.3.so.1 => /usr/lib/libgnat-4.3.so.1 (0x00360000) > libz.so.1 => /lib/libz.so.1 (0x00110000) > libcd gcc_s.so.1 => /lib/libgcc_s.so.1 (0x00dbd000) > libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0x00637000) > /lib/ld-linux.so.2 (0x0022e000) > > (on kubuntu 9.10, ghdl-0.28) > > The string "Permission denied" is found in several libraries for example > /lib/tls/i686/cmov/libc.so.6 > > It's worth using ldd on all the libraries you find above. You may find a > library containing "Permission denied" you're dependent on with the wrong > permissions. > > The moral of the story is that there are more permissions than just on the > executable. > > > > > > > _______________________________________________ > Ghdl-discuss mailing list > [email protected] > https://mail.gna.org/listinfo/ghdl-discuss >
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