As another data point, I installed an older version of SDCC to see if the
behavior changed. Interestingly, it did.
With version SDCC :
mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08 2.6.0 #4309
(Jul 28 2006) (MINGW32)
I get this:
C:\projects\rewrite>sdcc -S -V -mpic14 -p12f675 main.c
+ C:\PROGRA~1\SDCC\bin\sdcpp.exe -nostdinc -Wall -std=c99 -obj-ext=.o -DSDCC_MOD
EL_SMALL -DSDCC=260 -DSDCC_pic14 -D__pic14 -DSDCC_PROCESSOR="12f675" -I"C:\Progr
am Files\SDCC\bin\..\include\pic14" -I"C:\Program Files\SDCC\bin\..\include" -I"
C:\Program Files\SDCC\bin\..\include\pic" "main.c"
C:\projects\rewrite>gpasm -c main.asm
C:\projects\rewrite>gplink -m -c -s 12f675i.lkr -o rfpic.hex -I c:\projects\rewr
ite libsdcc.lib pic12f675.lib main.o
error: linker script has no definition that matches the type of section "data_ma
in"
It looks like the linker file and the .asm don't agree, but I'm hardly an
expert. I hope that someone has fought this battle before (and won, of course).
Thanks again for any help.
Dan
-------------- Original message --------------
From: [EMAIL PROTECTED]
Hello everyone.
I'm new to SDCC, and I could use a nudge in the right direction.
I have installed the latest snapshot (sdcc-20080609-5192-setup.exe) under Win
XP (SP2) and also the latest GPUtils. I've created a very basic project for
the PIC12F675, consisting of a main.h and a main.c.
The tools all seem to be installed and working, as I can compile and assemble,
and the assembly looks exactly as I would expect. The issue that I have is
during the link process. I'm not sure if it is the libsdcc.lib that is causing
the problem, but I think that I've got the right one (from the pic directory).
Anyway, when I build, I get:
--------------------------------------------
C:\projects\rewrite>sdcc -S -V -mpic14 -p12f675 main.c
+ C:\PROGRA~1\SDCC\bin\sdcpp.exe -nostdinc -Wall -std=c99 -obj-ext=.o -DSDCC_MOD
EL_SMALL -DSDCC=282 -DSDCC_REVISION=5192 -DSDCC_pic14 -D__pic14 -DSDCC_PROCESSOR
="12f675" -I"C:\Program Files\SDCC\bin\..\include\pic14" -I"C:\Program Files\SDC
C\bin\..\include" -I"C:\Program Files\SDCC\bin\..\include\pic" "main.c"
C:\projects\rewrite>gpasm -c main.asm
C:\projects\rewrite>gplink -m -c -s 12f675i.lkr -o rfpic.hex -I c:\projects\ligh
tcontrol\rewrite libsdcc.lib pic12f675.lib main.o
warning: processor mismatch in "shadowregs.o"
warning: processor mismatch in "idata.o"
warning: processor mismatch in "_gptrget1.o"
warning: processor mismatch in "_gptrget2.o"
error: linker script has no definition that matches the type of section "UDL_ida
ta_0"
---------------------------------------------
Could someone please give me some hints on what might be wrong?
I appreciate the help!
Dan
SDCC version:
SDCC : mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08 2.8.2
#5192 (Jun 9 2008) (MINGW32)
The source code is really simple:
main.c
---------------------------------------------
#define __12f675
#include <pic12f675.h>
#include "main.h"
#define CONFIG_WORD _CPD_OFF & _CP_OFF & _BODEN_OFF & _MCLRE_ON & _PWRTE_ON &
_WDT_OFF & _INTRC_OSC_NOCLKOUT
unsigned int at 0x2007 __CONFIG = CONFIG_WORD;
static void Intr(void) interrupt 0
{
}
void initialize (void)
{
}
void main (void)
{
initialize();
while(1) //main program loop
{
}
}
---------------------------------------------
main.h has only a single #define that I'll use later in development:
#define CARD_READER 1
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