On 27/06/14 16:24, Fabio Luis Girardi wrote:
The output of "readelf -a" with libraries built in C and FPC...
The command line used to build the library in fpc is:
fpc ulib.pas
fpc -Cg -Xc -CD -CX library1.fpr
FPC does not support PIC code for ARM in 2.6.x. Additionally, if you
want PIC, then just compiling the library file with -Cg is useless,
because all code inside the library must be compiled as PIC for it to
have any effect (including the RTL). It's this lack of PIC that causes
all the R_ARM_RELATIVE dynamic relocations. Most Linux platforms also
support libraries without PIC though.
And as the FPC help says, -CD is unsupported (nor needed; it is related
to the as of yet unimplemented Delphi-style dynamic packages support).
If you want to debug shared library loading issues, a good starting
point is setting the environment variables LD_VERBOSE=1 and LD_DEBUG=all
before running the program that loads the library.
Jonas
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