---------- Forwarded message ----------
List,
* Can somebody explain to me what is the .bss section, and the .noinit
section?
("man elf" doesn't help me, in fact the man doesn't mention the .noinit
section)
* The .data section, is some kind of image of the variables involved in the
program?
In that case, at startup it'll be loaded in ram, in that case, how?
* About the output below, as you can see I'm trying to link a program, but
the link errors really confuse me, in fact i don't understand the messages.
Because, if i have 48 KB available in ROM and 10 KB in RAM, how and why the
.bss is not within region data, the same for the .noinit.
In the list archives, I saw questions about this, but no one helped me.
ADMRED-25459# make
> msp430-gcc -O3 -O -c -DSTAND_ALONE_INTERP -mmcu=msp430x1612 driver.c
> msp430-gcc -O3 -O -c -DSTAND_ALONE_INTERP -mmcu=msp430x1612
> canon_stand_alone.c
> msp430-gcc -O3 -O -c -DSTAND_ALONE_INTERP -mmcu=msp430x1612 file.c
> msp430-gcc -O3 -O -c -DSTAND_ALONE_INTERP -mmcu=msp430x1612 rs274ngc.c
> msp430-gcc -O3 -O -c -DSTAND_ALONE_INTERP -mmcu=msp430x1612 math.c
> msp430-gcc -lm -m msp430x1612 -O3 -O driver.o canon_stand_alone.o
> rs274ngc.o file.o math.o -o rs274ngc.interpreter
> msp430-ld: address 0x7e3c of rs274ngc.interpreter section .bss is not
> within region data
> msp430-ld: address 0x7e3c of rs274ngc.interpreter section .noinit is not
> within region data
> msp430-ld: section .bss [00001f92 -> 00007e3b] overlaps section .text
> [00002500-> 0000bf65]
> C:\axs\unixutils\gnu-tools\usr\local\wbin\make.EXE: *** [
> rs274ngc.interpreter] Error 1
> ADMRED-25459# msp430-size *.o
> text data bss dec hex filename
> 626 6 12 644 284 canon_stand_alone.o
> 4366 0 0 4366 110e driver.o
> 54 6 0 60 3c file.o
> 90 0 0 90 5a math.o
> 28990 3716 50 32756 7ff4 rs274ngc.o
> ADMRED-25459#
>
As you can see, the questions are more for a gcc list, sorry for bother.
