* Undefined References in crt0.S
@ 2000-10-20 7:23 Robert Floyd
0 siblings, 0 replies; only message in thread
From: Robert Floyd @ 2000-10-20 7:23 UTC (permalink / raw)
To: crossgcc
I created a basic linker script (maybe too basic) from examples and
information on the web. Here is what I have:
OUTPUT_FORMAT("srec")
OUTPUT_ARCH(sh)
MEMORY
{
rom : o = 0, l = 512k
}
SECTIONS
{
.flash 0 :
{
__ftext = . ;
*(.text)
*(.strings)
__etext = . ;
__fdata = . ;
*(.data)
__edata = . ;
} > rom
}
However, this linker script gives me two errors that has some relation
to crt0.S:
../lib/crt0.o .... :crt0.S: undefined reference to '_edata'
../lib/crt0.o .... :crt0.S: undefined reference to '_end'
I notice that in my cmd linker script I have __fdata = . ; which I took
from an example. Is this the line that crt0.S is looking for? Does
anyone know where _end should be place and the syntax for it use? And
what is this file crt0.o? Thanks for any help on this.
R.Floyd
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