Kamalesh Babulal 7b4efd1509 create-diff-object: ppc64le - Fix wrong addend value for switch labels ... Commit f0518ef58a ("create-diff-object: fix ppc64le kpatch_replace_sections_syms() bundling assumption"), subtracted sym.st_value for all bundled symbols on ppc64le and GCC6+ irrespective of function or switch label. As a side effect the addend for switch labels were incorrect and call to local function executed TOC setup code. Fallback to the original behaviour of subtracting sym.st_value only for the dynrela. Example of wrong switch label: ------------------------------ 0000000000000008 <register_netdevice>: ... 31c: 05 00 85 2b cmplwi cr7,r5,5 320: 7c 02 9d 41 bgt cr7,59c <register_netdevice+0x594> 324: 00 00 e2 3c addis r7,r2,0 324: R_PPC64_TOC16_HA .toc+0x580 328: 64 17 a5 78 rldicr r5,r5,2,61 32c: 00 00 47 e9 ld r10,0(r7) 32c: R_PPC64_TOC16_LO_DS .toc+0x580 330: aa 2a 2a 7d lwax r9,r10,r5 334: 14 52 29 7d add r9,r9,r10 338: a6 03 29 7d mtctr r9 33c: 20 04 80 4e bctr 340: 44 02 00 00 .long 0x244 344: f0 01 00 00 .long 0x1f0 348: 20 02 00 00 .long 0x220 34c: 38 02 00 00 .long 0x238 350: 2c 02 00 00 .long 0x22c 354: 50 02 00 00 .long 0x250 358: 00 00 00 60 nop Before Patch (.toc section): Offset Info Type Symbol's Value Symbol's Name + Addend ... 0x580 0000008200000026 R_PPC64_ADDR64 0000000000000008 register_netdevice + 338 After Patch (.toc section): Offset Info Type Symbol's Value Symbol's Name + Addend ... 0x580 0000008200000026 R_PPC64_ADDR64 0000000000000008 register_netdevice + 340 Example of localentry addend removed: ------------------------------------ Before Patch (.toc section): Offset Info Type Symbol's Value Symbol's Name + Addend ... 0x48 0000002c00000026 R_PPC64_ADDR64 0000000000000008 cmdline_proc_show + 0 After Patch (.toc section): Offset Info Type Symbol's Value Symbol's Name + Addend ... 0x48 0000002c00000026 R_PPC64_ADDR64 0000000000000008 cmdline_proc_show + 8 Fixes: f0518ef58a ("create-diff-object: fix ppc64le kpatch_replace_sections_syms() bundling assumption") Cc: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>		2018-03-06 20:40:16 +05:30
..
gcc-plugins	gcc-plugin: create a ppc64le GCC plugin which inserts nops after local calls	2017-11-10 09:17:00 -06:00
insn	insn: get it to compile in create-diff-object	2014-05-30 15:19:57 -05:00
create-diff-object.c	create-diff-object: ppc64le - Fix wrong addend value for switch labels	2018-03-06 20:40:16 +05:30
create-klp-module.c	create-diff-object: don't convert relocation destinations to symbols	2017-11-09 19:16:14 -06:00
create-kpatch-module.c	create-kpatch-module: support unbundled symbols	2017-09-20 23:57:24 -05:00
kpatch-build	Merge pull request #757 from jpoimboe/TODO-ppc-fix	2017-12-20 23:02:48 -06:00
kpatch-elf.c	kpatch-build: clear Elf_Data d_buf buffer on allocation	2017-10-03 16:42:28 -04:00
kpatch-elf.h	kpatch-build: Support gcc-6 function prologue	2017-07-27 12:56:00 +05:30
kpatch-gcc	kpatch-build: Add additional debug modes	2017-11-17 15:04:11 +01:00
kpatch-intermediate.h	create-klp-module: get rid of redundant kpatch_relocation.offset field	2017-11-09 19:16:14 -06:00
list.h	new .fixup group size algorithm	2014-09-15 14:54:57 -05:00
log.h	log: include error.h	2017-01-23 12:42:35 -08:00
lookup.c	lookup: allow local symbols to be in any order	2017-07-06 12:44:50 -05:00
lookup.h	support dup file+symbol	2017-02-04 09:37:18 +08:00
Makefile	gcc-plugin: create a ppc64le GCC plugin which inserts nops after local calls	2017-11-10 09:17:00 -06:00