From: Pitchumani Sivanupandi Date: Fri, 29 Apr 2016 13:05:12 +0000 (+0100) Subject: Enhance readelf's recognition of AVR relocation types. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d347c9df495036dcbe5bc710ac5a07079bdd59ad;p=binutils-gdb.git Enhance readelf's recognition of AVR relocation types. * readelf.c (is_32bit_pcrel_reloc): Return true if reloc is 32-bit PC relocation for AVR target. (is_none_reloc): Return true if reloc is any of AVR diff relocations. --- diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 7eea2c05d9f..1c96f632e2d 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,10 @@ +2016-04-29 Pitchumani Sivanupandi + + * readelf.c (is_32bit_pcrel_reloc): Return true if reloc is 32-bit + PC relocation for AVR target. + (is_none_reloc): Return true if reloc is any of AVR diff + relocations. + 2016-04-29 Nick Clifton PR 19938 diff --git a/binutils/readelf.c b/binutils/readelf.c index b6454d35327..3d31b38bf38 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -11489,6 +11489,7 @@ target_specific_reloc_handling (Elf_Internal_Rela * reloc, static bfd_boolean is_32bit_abs_reloc (unsigned int reloc_type) { + /* Please keep this table alpha-sorted for ease of visual lookup. */ switch (elf_header.e_machine) { case EM_386: @@ -11502,6 +11503,8 @@ is_32bit_abs_reloc (unsigned int reloc_type) return reloc_type == 2; /* R_960_32. */ case EM_AARCH64: return reloc_type == 258; /* R_AARCH64_ABS32 */ + case EM_ADAPTEVA_EPIPHANY: + return reloc_type == 3; case EM_ALPHA: return reloc_type == 1; /* R_ALPHA_REFLONG. */ case EM_ARC: @@ -11514,8 +11517,6 @@ is_32bit_abs_reloc (unsigned int reloc_type) case EM_AVR_OLD: case EM_AVR: return reloc_type == 1; - case EM_ADAPTEVA_EPIPHANY: - return reloc_type == 3; case EM_BLACKFIN: return reloc_type == 0x12; /* R_byte4_data. */ case EM_CRIS: @@ -11674,6 +11675,7 @@ static bfd_boolean is_32bit_pcrel_reloc (unsigned int reloc_type) { switch (elf_header.e_machine) + /* Please keep this table alpha-sorted for ease of visual lookup. */ { case EM_386: case EM_IAMCU: @@ -11691,6 +11693,9 @@ is_32bit_pcrel_reloc (unsigned int reloc_type) return reloc_type == 49; /* R_ARC_32_PCREL. */ case EM_ARM: return reloc_type == 3; /* R_ARM_REL32 */ + case EM_AVR_OLD: + case EM_AVR: + return reloc_type == 36; /* R_AVR_32_PCREL. */ case EM_MICROBLAZE: return reloc_type == 2; /* R_MICROBLAZE_32_PCREL. */ case EM_OR1K: @@ -11831,17 +11836,18 @@ is_24bit_abs_reloc (unsigned int reloc_type) static bfd_boolean is_16bit_abs_reloc (unsigned int reloc_type) { + /* Please keep this table alpha-sorted for ease of visual lookup. */ switch (elf_header.e_machine) { case EM_ARC: case EM_ARC_COMPACT: case EM_ARC_COMPACT2: return reloc_type == 2; /* R_ARC_16. */ + case EM_ADAPTEVA_EPIPHANY: + return reloc_type == 5; case EM_AVR_OLD: case EM_AVR: return reloc_type == 4; /* R_AVR_16. */ - case EM_ADAPTEVA_EPIPHANY: - return reloc_type == 5; case EM_CYGNUS_D10V: case EM_D10V: return reloc_type == 3; /* R_D10V_16. */ @@ -11855,6 +11861,12 @@ is_16bit_abs_reloc (unsigned int reloc_type) case EM_M32C_OLD: case EM_M32C: return reloc_type == 1; /* R_M32C_16 */ + case EM_CYGNUS_MN10200: + case EM_MN10200: + return reloc_type == 2; /* R_MN10200_16. */ + case EM_CYGNUS_MN10300: + case EM_MN10300: + return reloc_type == 2; /* R_MN10300_16. */ case EM_MSP430: if (uses_msp430x_relocs ()) return reloc_type == 2; /* R_MSP430_ABS16. */ @@ -11870,17 +11882,11 @@ is_16bit_abs_reloc (unsigned int reloc_type) return reloc_type == 2; /* R_OR1K_16. */ case EM_TI_C6000: return reloc_type == 2; /* R_C6000_ABS16. */ + case EM_VISIUM: + return reloc_type == 2; /* R_VISIUM_16. */ case EM_XC16X: case EM_C166: return reloc_type == 2; /* R_XC16C_ABS_16. */ - case EM_CYGNUS_MN10200: - case EM_MN10200: - return reloc_type == 2; /* R_MN10200_16. */ - case EM_CYGNUS_MN10300: - case EM_MN10300: - return reloc_type == 2; /* R_MN10300_16. */ - case EM_VISIUM: - return reloc_type == 2; /* R_VISIUM_16. */ case EM_XGATE: return reloc_type == 3; /* R_XGATE_16. */ default: @@ -11896,44 +11902,53 @@ is_none_reloc (unsigned int reloc_type) { switch (elf_header.e_machine) { - case EM_68K: /* R_68K_NONE. */ case EM_386: /* R_386_NONE. */ - case EM_SPARC32PLUS: - case EM_SPARCV9: - case EM_SPARC: /* R_SPARC_NONE. */ - case EM_MIPS: /* R_MIPS_NONE. */ - case EM_PARISC: /* R_PARISC_NONE. */ - case EM_ALPHA: /* R_ALPHA_NONE. */ + case EM_68K: /* R_68K_NONE. */ case EM_ADAPTEVA_EPIPHANY: - case EM_PPC: /* R_PPC_NONE. */ - case EM_PPC64: /* R_PPC64_NONE. */ + case EM_ALPHA: /* R_ALPHA_NONE. */ + case EM_ALTERA_NIOS2: /* R_NIOS2_NONE. */ case EM_ARC: /* R_ARC_NONE. */ - case EM_ARC_COMPACT: /* R_ARC_NONE. */ case EM_ARC_COMPACT2: /* R_ARC_NONE. */ + case EM_ARC_COMPACT: /* R_ARC_NONE. */ case EM_ARM: /* R_ARM_NONE. */ - case EM_IA_64: /* R_IA64_NONE. */ - case EM_SH: /* R_SH_NONE. */ - case EM_S390_OLD: - case EM_S390: /* R_390_NONE. */ + case EM_C166: /* R_XC16X_NONE. */ case EM_CRIS: /* R_CRIS_NONE. */ - case EM_X86_64: /* R_X86_64_NONE. */ - case EM_L1OM: /* R_X86_64_NONE. */ + case EM_FT32: /* R_FT32_NONE. */ + case EM_IA_64: /* R_IA64_NONE. */ case EM_K1OM: /* R_X86_64_NONE. */ + case EM_L1OM: /* R_X86_64_NONE. */ + case EM_M32R: /* R_M32R_NONE. */ + case EM_MIPS: /* R_MIPS_NONE. */ case EM_MN10300: /* R_MN10300_NONE. */ - case EM_FT32: /* R_FT32_NONE. */ case EM_MOXIE: /* R_MOXIE_NONE. */ - case EM_M32R: /* R_M32R_NONE. */ - case EM_TI_C6000:/* R_C6000_NONE. */ + case EM_NIOS32: /* R_NIOS_NONE. */ + case EM_OR1K: /* R_OR1K_NONE. */ + case EM_PARISC: /* R_PARISC_NONE. */ + case EM_PPC64: /* R_PPC64_NONE. */ + case EM_PPC: /* R_PPC_NONE. */ + case EM_S390: /* R_390_NONE. */ + case EM_S390_OLD: + case EM_SH: /* R_SH_NONE. */ + case EM_SPARC32PLUS: + case EM_SPARC: /* R_SPARC_NONE. */ + case EM_SPARCV9: case EM_TILEGX: /* R_TILEGX_NONE. */ case EM_TILEPRO: /* R_TILEPRO_NONE. */ + case EM_TI_C6000:/* R_C6000_NONE. */ + case EM_X86_64: /* R_X86_64_NONE. */ case EM_XC16X: - case EM_C166: /* R_XC16X_NONE. */ - case EM_ALTERA_NIOS2: /* R_NIOS2_NONE. */ - case EM_NIOS32: /* R_NIOS_NONE. */ - case EM_OR1K: /* R_OR1K_NONE. */ return reloc_type == 0; + case EM_AARCH64: return reloc_type == 0 || reloc_type == 256; + case EM_AVR_OLD: + case EM_AVR: + return (reloc_type == 0 /* R_AVR_NONE. */ + || reloc_type == 30 /* R_AVR_DIFF8. */ + || reloc_type == 31 /* R_AVR_DIFF16. */ + || reloc_type == 32 /* R_AVR_DIFF32. */); + case EM_METAG: + return reloc_type == 3; /* R_METAG_NONE. */ case EM_NDS32: return (reloc_type == 0 /* R_XTENSA_NONE. */ || reloc_type == 204 /* R_NDS32_DIFF8. */ @@ -11946,8 +11961,6 @@ is_none_reloc (unsigned int reloc_type) || reloc_type == 17 /* R_XTENSA_DIFF8. */ || reloc_type == 18 /* R_XTENSA_DIFF16. */ || reloc_type == 19 /* R_XTENSA_DIFF32. */); - case EM_METAG: - return reloc_type == 3; /* R_METAG_NONE. */ } return FALSE; }