From aafdd9a5fc77255a1036daf4a6ab062540a38fce Mon Sep 17 00:00:00 2001 From: Walter Lee Date: Tue, 28 Aug 2012 02:43:22 +0000 Subject: [PATCH] Add support for constructing pc-relative addresses to the plt, by adding the necessary assembly operators and relocations. bfd: * reloc.c (Add BFD_RELOC_TILEGX_IMM16_X0_HW0_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW0_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW1_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW1_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW2_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW2_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW3_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW3_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, BFD_RELOC_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL): new relocations. * elfxx-tilegx.c (tilegx_elf_howto_table): Handle new relocations. (tilegx_reloc_map): Ditto. (reloc_to_create_func): Ditto. (tilegx_elf_check_relocs): Ditto. (tilegx_elf_gc_sweep_hook): Ditto. (tilegx_elf_relocate_section): Ditto. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. gas: * tc-tilegx.c (O_hw0_plt): Define operator. (O_hw1_plt): Ditto. (O_hw1_last_plt): Ditto. (O_hw2_last_plt): Ditto. (md_begin): Handle new operators. (emit_tilegx_instruction): Ditto. (md_apply_fix): Ditto. * doc/c-tilegx.texi: Document new operators. include/elf: * tilegx.h (R_TILEGX_IMM16_X0_HW0_PLT_PCREL): New relocation. (R_TILEGX_IMM16_X1_HW0_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW1_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X1_HW1_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW2_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X1_HW2_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW3_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X1_HW3_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL): Ditto. (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL ): Ditto. (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL): Ditto. --- include/elf/ChangeLog | 17 +++++++++++++++++ include/elf/tilegx.h | 20 +++++++++++++++++--- 2 files changed, 34 insertions(+), 3 deletions(-) diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 362dc452b..ece126a62 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,20 @@ +2012-08-27 Walter Lee + + * tilegx.h (R_TILEGX_IMM16_X0_HW0_PLT_PCREL): New relocation. + (R_TILEGX_IMM16_X1_HW0_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW1_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X1_HW1_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW2_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X1_HW2_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW3_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X1_HW3_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL): Ditto. + (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL ): Ditto. + (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL): Ditto. + 2012-08-13 Ian Bolton Laurent Desnogues Jim MacArthur diff --git a/include/elf/tilegx.h b/include/elf/tilegx.h index 004ce28ca..e838b8097 100644 --- a/include/elf/tilegx.h +++ b/include/elf/tilegx.h @@ -104,13 +104,21 @@ START_RELOC_NUMBERS (elf_tilegx_reloc_type) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_GOT, 64) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_GOT, 65) - /* Relocs 66-71 are currently not defined. */ + + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_PLT_PCREL, 66) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_PLT_PCREL, 67) + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW1_PLT_PCREL, 68) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW1_PLT_PCREL, 69) + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW2_PLT_PCREL, 70) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW2_PLT_PCREL, 71) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_LAST_GOT, 72) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_LAST_GOT, 73) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW1_LAST_GOT, 74) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW1_LAST_GOT, 75) - /* Relocs 76-77 are currently not defined. */ + + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW3_PLT_PCREL, 76) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW3_PLT_PCREL, 77) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_TLS_GD, 78) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_TLS_GD, 79) @@ -128,7 +136,13 @@ START_RELOC_NUMBERS (elf_tilegx_reloc_type) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_TLS_IE, 92) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_TLS_IE, 93) - /* Relocs 94-99 are currently not defined. */ + + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_LAST_PLT_PCREL, 94) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_LAST_PLT_PCREL, 95) + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW1_LAST_PLT_PCREL, 96) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW1_LAST_PLT_PCREL, 97) + RELOC_NUMBER (R_TILEGX_IMM16_X0_HW2_LAST_PLT_PCREL, 98) + RELOC_NUMBER (R_TILEGX_IMM16_X1_HW2_LAST_PLT_PCREL, 99) RELOC_NUMBER (R_TILEGX_IMM16_X0_HW0_LAST_TLS_IE, 100) RELOC_NUMBER (R_TILEGX_IMM16_X1_HW0_LAST_TLS_IE, 101)