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Re: What's difference between tc_fix_adjustable and TC_FIX_ADJUSTABLE?
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Jie Zhang <jzhang918 at hotmail dot com>
- Cc: binutils at sources dot redhat dot com
- Date: Fri, 29 Nov 2002 17:59:00 +1030
- Subject: Re: What's difference between tc_fix_adjustable and TC_FIX_ADJUSTABLE?
- References: <DAV14tCcgM1uJIadjFm0001000c@hotmail.com>
On Fri, Nov 29, 2002 at 02:40:39PM +0800, Jie Zhang wrote:
> I find both are used in gas/write.c.
Not in current mainline CVS.
>From gas/doc/internals.texi
@item tc_fix_adjustable
@cindex tc_fix_adjustable
You may define this macro to indicate whether a fixup against a locally defined
symbol should be adjusted to be against the section symbol. It should return a
non-zero value if the adjustment is acceptable.
The old TC_FIX_ADJUSTABLE has been renamed to MD_APPLY_SYM_VALUE.
@item MD_APPLY_SYM_VALUE (@var{fix})
@cindex MD_APPLY_SYM_VALUE
This macro controls whether the symbol value becomes part of the value passed
to @code{md_apply_fix3}. If the macro is undefined, or returns non-zero, the
symbol value will be included. For ELF, a suitable definition might simply be
@code{0}, because ELF relocations don't include the symbol value in the addend.
--
Alan Modra
IBM OzLabs - Linux Technology Centre