>From 736ecc9f03362ab7db378af1cc1f7f127ccb2a52 Mon Sep 17 00:00:00 2001 From: Cupertino Miranda Date: Tue, 1 Sep 2015 12:26:09 +0200 Subject: [PATCH] New ARC port. Signed-off-by: Claudiu Zissulescu --- binutils/NEWS | 2 ++ binutils/readelf.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 75 insertions(+), 1 deletion(-) diff --git a/binutils/NEWS b/binutils/NEWS index 36f2c05..8c93216 100644 --- a/binutils/NEWS +++ b/binutils/NEWS @@ -1,5 +1,7 @@ -*- text -*- +* Add support for the ARC EM/HS, and ARC600/700 architectures. + * Extend objcopy --compress-debug-sections option to support --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi] for ELF targets. diff --git a/binutils/readelf.c b/binutils/readelf.c index 6298f1e..8efe6a1 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -722,6 +722,9 @@ guess_is_rela (unsigned int e_machine) case EM_ADAPTEVA_EPIPHANY: case EM_ALPHA: case EM_ALTERA_NIOS2: + case EM_ARC: + case EM_ARC_COMPACT: + case EM_ARC_COMPACT2: case EM_AVR: case EM_AVR_OLD: case EM_BLACKFIN: @@ -1309,6 +1312,8 @@ dump_relocations (FILE * file, break; case EM_ARC: + case EM_ARC_COMPACT: + case EM_ARC_COMPACT2: rtype = elf_arc_reloc_type (type); break; @@ -2109,6 +2114,8 @@ get_machine_name (unsigned e_machine) case EM_SPARCV9: return "Sparc v9"; case EM_TRICORE: return "Siemens Tricore"; case EM_ARC: return "ARC"; + case EM_ARC_COMPACT: return "ARCompact"; + case EM_ARC_COMPACT2: return "ARCv2"; case EM_H8_300: return "Renesas H8/300"; case EM_H8_300H: return "Renesas H8/300H"; case EM_H8S: return "Renesas H8S"; @@ -2176,7 +2183,6 @@ get_machine_name (unsigned e_machine) case EM_SCORE: return "SUNPLUS S+Core"; case EM_XSTORMY16: return "Sanyo XStormy16 CPU core"; case EM_OR1K: return "OpenRISC 1000"; - case EM_ARC_A5: return "ARC International ARCompact processor"; case EM_CRX: return "National Semiconductor CRX microprocessor"; case EM_ADAPTEVA_EPIPHANY: return "Adapteva EPIPHANY"; case EM_DLX: return "OpenDLX"; @@ -2755,6 +2761,63 @@ get_machine_flags (unsigned e_flags, unsigned e_machine) default: break; + case EM_ARC_COMPACT2: + switch (e_flags & EF_ARC_MACH_MSK) + { + case EF_ARC_CPU_ARCV2EM: + strcat (buf, ", ARC EM"); + break; + case EF_ARC_CPU_ARCV2HS: + strcat (buf, ", ARC HS"); + break; + default: + strcat (buf, ", unrecognized flag for ARCv2"); + break; + } + switch (e_flags & EF_ARC_OSABI_MSK) + { + /* Only upstream 3.9+ kernels will support ARCv2 + ISA. */ + case E_ARC_OSABI_V3: + strcat (buf, ", v3 no-legacy-syscalls ABI"); + break; + } + break; + + case EM_ARC_COMPACT: + switch (e_flags & EF_ARC_MACH_MSK) + { + case E_ARC_MACH_ARC600: + strcat (buf, ", ARC 600"); + break; + case E_ARC_MACH_ARC601: + strcat (buf, ", ARC 601"); + break; + case E_ARC_MACH_ARC700: + strcat (buf, ", ARC 700"); + break; + default: + strcat (buf, ", Generic ARCompact"); + break; + } + switch (e_flags & EF_ARC_OSABI_MSK) + { + case E_ARC_OSABI_ORIG: + strcat (buf, ", legacy syscall ABI"); + break; + case E_ARC_OSABI_V2: + /* For 3.2+ Linux kernels which use asm-generic + hdrs. */ + strcat (buf, ", v2 syscall ABI"); + break; + case E_ARC_OSABI_V3: + /* Upstream 3.9+ kernels which don't use any legacy + syscalls. */ + strcat (buf, ", v3 no-legacy-syscalls ABI"); + break; + } + break; + case EM_ARM: decode_ARM_machine_flags (e_flags, buf); break; @@ -11267,6 +11330,8 @@ is_32bit_abs_reloc (unsigned int reloc_type) case EM_ALPHA: return reloc_type == 1; /* R_ALPHA_REFLONG. */ case EM_ARC: + case EM_ARC_COMPACT: + case EM_ARC_COMPACT2: return reloc_type == 1; /* R_ARC_32. */ case EM_ARM: return reloc_type == 2; /* R_ARM_ABS32 */ @@ -11586,6 +11651,10 @@ is_16bit_abs_reloc (unsigned int reloc_type) { 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_AVR_OLD: case EM_AVR: return reloc_type == 4; /* R_AVR_16. */ @@ -11656,6 +11725,9 @@ is_none_reloc (unsigned int reloc_type) case EM_ADAPTEVA_EPIPHANY: case EM_PPC: /* R_PPC_NONE. */ case EM_PPC64: /* R_PPC64_NONE. */ + case EM_ARC: /* R_ARC_NONE. */ + case EM_ARC_COMPACT: /* R_ARC_NONE. */ + case EM_ARC_COMPACT2: /* R_ARC_NONE. */ case EM_ARM: /* R_ARM_NONE. */ case EM_IA_64: /* R_IA64_NONE. */ case EM_SH: /* R_SH_NONE. */ -- 2.5.1