[Sdcc-user] please help

[Muller J. <jjm...@su...>]

Hi
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I have an external .asm file for a custom interrupt vector table:
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.module ivect
 .area IVECT (CODE)
 ljmp __sdcc_gsinit_startup
 reti
 .ds 7
 ljmp _timer0_ISR
 .ds 7
 reti
 .ds 7
 reti
 .ds 7
 reti
 .ds 7
 reti
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and I assemble this using " asx8051 -plosgff ivect.asm". The 'g' option
tells the assembler that my undefined symbols (such as _timer0_ISR) will
be resolved during linking. When I compile and link this with my main
program, the linker gives an error: "ASlink-Warning-Undefined Global
_timer0_ISR referenced by module 'ivect'. Apparently, this is because
the assembler/compiler does not generate a "global" symbol for my
timer0_ISR function in my main .c file ( _main and
__sdcc_gsinit_startup seems to  have global symbols). I compile and link
everything with : "sdcc -Wl-b IVECT=3D0x0000 --code-loc 0x2000 =
main_prog.c
ivect.rel". What must I do so that the linker will be able to reference
the C-functions in the main file?
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thanks for any help.
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Jaco
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