[PATCH V2] GAS fix alignment for aarch64-pe

[Zac Walker]

For the aarch64-pe target various values of '.align' causes writing of COFF files to fail.

This version of the patch differs from the first by using the write.c implementation of SUB_SEGMENT_ALIGN. This means there was no need to modify md_section_align or aarch64_handle_align. The change is specific to the aarch64-pe target.

In my testing generated aligned code was correctly padded with nop.

Thanks,

Zac


---
  gas/config/tc-aarch64.h | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/gas/config/tc-aarch64.h b/gas/config/tc-aarch64.h
index 2d514ff610..0ea73021f2 100644
--- a/gas/config/tc-aarch64.h
+++ b/gas/config/tc-aarch64.h
@@ -191,7 +191,10 @@ struct aarch64_frag_type
        goto LABEL;								\
      }

+/* COFF sub section alignment calculated using the write.c implementation.  */
+#ifndef OBJ_COFF
  #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
+#endif

  #define DWARF2_LINE_MIN_INSN_LENGTH 	4

-- 
2.25.1
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