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| 11:28.12 | aproemel | vmaster: are you there? and have a little bit of time? |
| 11:36.31 | vmaster | aproemel: hey aproemel |
| 11:36.40 | aproemel | hi |
| 11:36.50 | aproemel | i hope you can help me |
| 11:37.01 | aproemel | i've written a simple C routine |
| 11:37.09 | aproemel | and compiled it to an *.o file |
| 11:37.32 | aproemel | tell the linker that it should link the start.o and the mainc.o to my test.bin |
| 11:37.57 | aproemel | gcc -nostartfiles -nostdlib |
| 11:38.06 | aproemel | but now my code is located at 8080 |
| 11:38.11 | aproemel | and not at 00 |
| 11:38.50 | aproemel | if i only build my assembler file |
| 11:38.56 | aproemel | its located correctly |
| 11:40.58 | vmaster | hum, could you show me your makefile (or the commands you entered) and your linker script? (pastebin.ca for example) |
| 11:41.15 | aproemel | ok, i'll post it |
| 11:43.24 | aproemel | http://pastebin.ca/343916 |
| 11:45.48 | aproemel | i've pasted a failure ^^ |
| 11:45.48 | aproemel | main: step1 step2 |
| 11:46.11 | vmaster | uhm, you should compile your C file with -c - that prevents the linking. I suppose main.o is already linked |
| 11:46.33 | aproemel | ok, i'll test it |
| 11:46.50 | vmaster | and your linker script links to 0x200000, not 0x0 |
| 11:47.09 | aproemel | 20000 after remamp 0x00 |
| 11:47.37 | aproemel | i'll upload it, and then automatically remap |
| 11:48.13 | vmaster | uhm yeah, but absolute addresses are still going to be in the 0x200000 range, no matter if you remap |
| 11:48.37 | vmaster | so after the linking stage, you should expect your symbols in the 0x2..... range, not in the 0x0 range |
| 11:48.49 | aproemel | k changed it to 00 |
| 11:48.57 | aproemel | but the code is still located ad 8080 |
| 11:49.57 | vmaster | what does "file main.o" say? |
| 11:50.12 | aproemel | the Map File says |
| 11:50.18 | aproemel | LOAD main.o |
| 11:50.43 | aproemel | 0x00008000 PROVIDE(__executable_start, 0x8000) |
| 11:51.18 | aproemel | ELF32-bit LSB relocatable, ARM, version 1 (ARM), not stripped |
| 11:51.21 | aproemel | is file for main.o |
| 11:54.03 | vmaster | could you tar all files together and send them? |
| 11:54.12 | aproemel | sure |
| 11:54.22 | vmaster | either DCC, or Dominic <dot> Rath <at> gmx <dot> de |
| 11:54.32 | aproemel | i'll mail them |
| 11:54.41 | aproemel | irc is on my notebook |
| 11:57.26 | aproemel | I'll send it |
| 12:00.34 | vmaster | ok, i'll have a look |
| 12:03.19 | vmaster | you've used -t <linker-script> instead of -T |
| 12:03.35 | vmaster | -t is trace, -T selects the script |
| 12:04.04 | aproemel | vmaster: that was my fault |
| 12:04.06 | aproemel | THNX |
| 12:04.27 | aproemel | seems to be placed correct now |
| 12:04.44 | aproemel | but why does the asm file compiled and linked work? |
| 12:07.04 | vmaster | maybe just a coincidence |
| 12:07.29 | aproemel | I searched for this failure everywhere |
| 12:07.32 | vmaster | actually, that -t was my fault - I told you to write a linker script and use it with -t, which of course should have been -T the first time |
| 12:08.17 | vmaster | sorry about that |
| 12:08.21 | aproemel | no problem |
| 12:08.28 | aproemel | my fault was, to copy and paste it |
| 12:08.34 | aproemel | and don't take a look in man |
| 12:12.53 | aproemel | how do i get the file smaller? |
| 12:13.18 | aproemel | i tried to use ...-strip |
| 12:13.28 | aproemel | because 34kb are to large |
| 12:14.34 | aproemel | loader.o <1kb main.o <1kb and the linked loader.bin 34k |
| 12:31.40 | vmaster | the output file is the ELF file (you shouldn't call it .bin, btw.) |
| 12:32.05 | vmaster | try arm-xxx-objcopy -O binary ELFfile BINfile |
| 12:34.11 | aproemel | i call it elf now |
| 12:34.15 | aproemel | ok, i'll test |
| 12:36.15 | aproemel | works |
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| 16:48.09 | prpplague | vmaster: you alive? |
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