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Author SHA1 Message Date
Joseph Myers e6459123e4 Avoid .eh_frame in ARM newlib. 
ARM newlib has various strcmp implementations that use .cfi_*
directives to generate unwind information.

The effect of this is that the generated objects contain .eh_frame
sections.  However, ARM uses its own unwind info format, not
.eh_frame, which is generated by ARM-specific directives, not .cfi_*.
The .eh_frame sections are useless, but also not removed by strip and
may be loaded into memory at runtime.

This patch fixes this by using .cfi_sections .debug_frame (as in
glibc) so that the directives generate .debug_frame instead.
.debug_frame is useful for the debugger, can be removed by strip, and
is not loaded into memory at runtime.

	* libc/machine/arm/strcmp-arm-tiny.S: Use .cfi_sections
	.debug_frame.
	* libc/machine/arm/strcmp-armv4.S: Likewise.
	* libc/machine/arm/strcmp-armv4t.S: Likewise.
	* libc/machine/arm/strcmp-armv6.S: Likewise.
	* libc/machine/arm/strcmp-armv6m.S: Likewise.
	* libc/machine/arm/strcmp-armv7.S: Likewise.
	* libc/machine/arm/strcmp-armv7m.S: Likewise.
 2015-11-12 12:09:24 +00:00
Corinna Vinschen 8a2ab1aea1 * libc/machine/arm/strcmp-armv6m.S: New file. 
* libc/machine/arm/strcmp.S: Add new wrapper.
	* libc/machine/arm/Makefile.am: Add dependencies.
	* libc/machine/arm/Makefile.in: Regenerated.
 2014-11-26 09:47:26 +00:00