On Mon, 10 Oct 2005, Alan Modra wrote:
On Sun, Oct 09, 2005 at 05:28:15PM +0200, Philippe Biondi wrote:
but I think these two linker scripts should be equivalent.
No, you haven't specified where .got should go (*). ld is free to place
unspecified sections where it likes.
*) Which is quite foolish, given that you defined a symbol that belongs
in .got, __GLOBAL_OFFSET_TABLE__.
For me _GLOBAL_OFFSET_TABLE_ is only a linker symbol. It will not be
present in the GOT. I don't understand why setting its value to "." would
not be taken into account (maybe is it a special symbol ?). And I don't
see any semantic difference between the 2 linker scripts, so that I'm a
bit confused they are interpreted differently.
As a side note, this script also fails to work as I would expect (but I'm
not an expert on this) :
SECTIONS {
/DISCARD/ : {
*(.stab*)
*(.comment)
*(.note)
}
_GLOBAL_OFFSET_TABLE_ = .;
all : {*(.got, .text, .rodata, .rdata, .data, .bss) }
}
--
Philippe Biondi <phil@ secdev.org> SecDev.org
Computer Security/R&D http://www.secdev.org
PGP KeyID:3D9A43E2 FingerPrint:C40A772533730E39330DC0985EE8FF5F3D9A43E2
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