Hello SDCC, I've been using SDCC for programming MCS51 micros. My program is
split up into multiple files, such as main.c/h, then file1.c/h, file2.c/h, etc.
Global variables are declared in the beginning of each .c file. Then if the
global variable is referenced in another .c file, an extern is added in the
beginning of the other .c file. So when done properly, it would look like
this:file1.c: __idata char var1 =1;file2.c: extern __idata char var1; So
far, so good, and everything works great. Then later on I'm editing things and
change the declarations incorrectly, such as this:file1.c: __xdata char var1
=1;file2.c: extern __idata char var1; Notice that file1 says xdata, while
file2 says idata. This compiles and links fine, but doesn't run properly due to
mixed up memory accesses. Then I have to hunt down the error, usually among
the last changes made of course. My question is, is there some
tool/flag/setting that will provide a warning about this error? Something in
the linker? Thanks, Rich.
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