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authorAndreas Krebbel <krebbel@linux.vnet.ibm.com>2012-07-12 13:04:55 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2012-07-19 15:46:34 +0200
commit08f43f9bbf97c03ec4d2754c69fd9d7efce6ef96 (patch)
tree17318764c9e7b5e6c151def3bdab1fc30af377ed /ChangeLog
parenta98430587c57da2832fa9abe336c5a8f8137e89c (diff)
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S/390: Add support for STT_GNU_IFUNC symbols.
Add support for STT_GNU_IFUNC symbols and the new R_390_IRELATIVE
relocation.  Provide optimized version of memcpy, memset, and memcmp
for z10 and z196.
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+2012-07-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
+
+	* elf/elf.h (R_390_IRELATIVE): New definition.
+	* sysdeps/s390/s390-64/dl-machine.h (elf_machine_rela): Invoke the
+	resolver function for IFUNC symbols.  Support R_390_IRELATIVE.
+	(elf_machine_lazy_rel): Support R_390_IRELATIVE.
+	* sysdeps/s390/s390-32/dl-machine.h (elf_machine_rela):
+	(elf_machine_lazy_rel): Likewise.
+	* sysdeps/s390/dl-irel.h: New file.
+	* sysdeps/s390/s390-64/memcpy.S: New asm code.
+	* sysdeps/s390/s390-64/memset.S: New asm code.
+	* sysdeps/s390/s390-64/memcmp.S: New asm code.
+	* sysdeps/s390/s390-64/multiarch/memset.S: New file.
+	* sysdeps/s390/s390-64/multiarch/ifunc-resolve.c: New file.
+	* sysdeps/s390/s390-64/multiarch/memcmp.S: New file.
+	* sysdeps/s390/s390-64/multiarch/memcpy.S: New file.
+	* sysdeps/s390/s390-64/multiarch/Makefile: New file.
+	* sysdeps/s390/s390-32/multiarch/ifunc-resolve.c: New file.
+	* sysdeps/s390/s390-32/multiarch/Makefile: New file.
+	* sysdeps/s390/s390-32/multiarch/memcmp.S: New file.
+	* sysdeps/s390/s390-32/multiarch/memcpy.S: New file.
+	* sysdeps/s390/s390-32/multiarch/memset.S: New file.
+	* sysdeps/s390/s390-32/memcpy.S: New asm code.
+	* sysdeps/s390/s390-32/memset.S: New asm code.
+	* sysdeps/s390/s390-32/memcmp.S: New asm code.
+
 2012-07-17  Marek Polacek  <polacek@redhat.com>
 
 	[BZ #14349]