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[Bug 1001142] User defined linker sections.
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-patches at ecos dot sourceware dot org
- Date: Mon, 14 Feb 2011 12:44:16 +0000
- Subject: [Bug 1001142] User defined linker sections.
- Auto-submitted: auto-generated
- References: <bug-1001142-104@http.bugs.ecos.sourceware.org/>
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--- Comment #10 from John Dallaway <john@dallaway.org.uk> 2011-02-14 12:44:15 GMT ---
(In reply to comment #9)
> So, we are happy with USER_SECTION(). What's about those SECTION_START,
> SECTION_END definitions in the Attachment 1116 [details] ? Will be they ever
> used then? IMO, the names are too generic and seem like the "reserved"
> words ...
>
> If you need those defs, what is about USER_LABEL() instead?
>
> #define USER_LABEL(_label_) \
> ...
>
> If we do not need those defs at all, I would be happy with (not tested)
>
> --- a/packages/hal/cortexm/arch/current/src/cortexm.ld
> +++ b/packages/hal/cortexm/arch/current/src/cortexm.ld
> @@ -268,5 +268,11 @@ OUTPUT_FORMAT(elf32-bigarm)
>
> #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
>
> +#define USER_SECTION(_name_, _region_, _vma_, _lma_) \
> + . ## _name_ _vma_ : _lma_ \
> + { __ ## _name_ ## _start = ABSOLUTE (.); \
> + *(. ## _name_)* \
> + __ ## _name_ ## _end = ABSOLUTE (.); }
> +
> #include <pkgconf/hal_cortexm.h>
> #include CYGHWR_MEMORY_LAYOUT_LDI
>
> Comments?
It does seem preferable to eliminate the SECTION_START() and SECTION_END()
macros if possible. I assume these macros are not used elsewhere.
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