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CSKY: Support attribute section.

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bfd
        * elf32-csky.c (csky_archs): Fix arch names.
        (csky_find_arch_with_name): New.
        (elf32_csky_merge_attributes): New.
        (csky_elf_merge_private_bfd_data): Add process of merge
        attribute section.
        (elf32_csky_obj_attrs_arg_type): New.
        (elf32_csky_obj_attrs_handle_unknown): New.
        (elf_backend_obj_attrs_vendor): Define.
        (elf_backend_obj_attrs_section): Define.
        (elf_backend_obj_attrs_arg_type): Define.
        (elf_backend_obj_attrs_section_type): Define.

binutils/
        * readelf.c (get_csky_section_type_name): New.
        (get_section_type_name): Add handler for CSKY.
        (display_csky_attribute): New.
        (process_arch_specific): Add handler for CSKY.
        * testsuite/binutils-all/strip-3.d: Remove .csky.attributes
        section.

elfcpp/
        * elfcpp.h (enum SHT): New enum SHT_CSKY_ATTRIBUTES.

gas/
        * gas/config/tc-csky.c (md_begin): Set attributes.
        (isa_flag): Change type to unsigned 64 bits.
        (struct csky_cpu_info): Likewise.
        (struct csky_macro_info): Likewise.
        (set_csky_attribute): New.
        * testsuite/gas/csky/802j.d: Ignore .csky.attributes section.
        * testsuite/gas/csky/all.d: Likewise.
        * testsuite/gas/csky/bsr1.d: Likewise.
        * testsuite/gas/csky/csky_vdsp.d: Likewise.
        * testsuite/gas/csky/cskyv2_all.d: Likewise.
        * testsuite/gas/csky/cskyv2_ck803r2.d: Likewise.
        * testsuite/gas/csky/cskyv2_ck860.d: Likewise.
        * testsuite/gas/csky/cskyv2_dsp.d: Likewise.
        * testsuite/gas/csky/cskyv2_elrw.d: Likewise.
        * testsuite/gas/csky/cskyv2_float.d: Likewise.
        * testsuite/gas/csky/enhance_dsp.d: Likewise.
        * testsuite/gas/csky/java.d: Likewise.
        * testsuite/gas/csky/v1_float.d: Likewise.
        * testsuite/gas/csky/v2_float_part1.d: Likewise.
        * testsuite/gas/csky/v2_float_part2.d: Likewise.
        * testsuite/gas/csky/v2_tls_gd.d: Likewise.
        * testsuite/gas/csky/v2_tls_ie.d: Likewise.
        * testsuite/gas/csky/v2_tls_ld.d: Likewise.
        * testsuite/gas/csky/v2_tls_le.d: Likewise.
        * testsuite/gas/elf/elf.exp: Add handler for CSKY.
        * testsuite/gas/elf/section2.e-csky: New.

include/
        * elf/csky.h (SHT_CSKY_ATTRIBUTES): Define.
        (Tag_CSKY_ARCH_NAME): New enum constant.
        (Tag_CSKY_CPU_NAME): Likewise.
        (Tag_CSKY_ISA_FLAGS): Likewise.
        (Tag_CSKY_DSP_VERSION): Likewise.
        (Tag_CSKY_VDSP_VERSION): Likewise.
        (Tag_CSKY_FPU_VERSION): Likewise.
        (Tag_CSKY_FPU_ABI): Likewise.
        (Tag_CSKY_FPU_ROUNDING): Likewise.
        (Tag_CSKY_FPU_DENORMAL): Likewise.
        (Tag_CSKY_FPU_Exception): Likewise.
        (Tag_CSKY_FPU_NUMBER_MODULE): Likewise.
        (Tag_CSKY_FPU_HARDFP): Likewise.
        (Tag_CSKY_MAX): Likewise.
        (VAL_CSKY_DSP_VERSION_EXTENSION): Likewise.
        (VAL_CSKY_DSP_VERSION_2): Likewise.
        (VAL_CSKY_VDSP_VERSION_1): Likewise.
        (VAL_CSKY_VDSP_VERSION_2): Likewise.
        (VAL_CSKY_FPU_ABI_SOFT): Likewise.
        (VAL_CSKY_FPU_ABI_SOFTFP): Likewise.
        (VAL_CSKY_FPU_ABI_HARD): Likewise.
        (VAL_CSKY_FPU_HARDFP_HALF): Likewise.
        (VAL_CSKY_FPU_HARDFP_SINGLE): Likewise.
        (VAL_CSKY_FPU_HARDFP_DOUBLE): Likewise.
        * opcode/csky.h (CSKY_ISA_VDSP_V2): Define.
        CSKYV1_ISA_E1: Change to long constant type.
        CSKYV2_ISA_E1: Likewise.
        CSKYV2_ISA_1E2: Likewise.
        CSKYV2_ISA_2E3: Likewise.
        CSKYV2_ISA_3E7: Likewise.
        CSKYV2_ISA_7E10: Likewise.
        CSKYV2_ISA_3E3R1: Likewise.
        CSKYV2_ISA_3E3R2: Likewise.
        CSKYV2_ISA_10E60: Likewise.
        CSKY_ISA_TRUST: Likewise.
        CSKY_ISA_CACHE: Likewise.
        CSKY_ISA_NVIC: Likewise.
        CSKY_ISA_CP: Likewise.
        CSKY_ISA_MP: Likewise.
        CSKY_ISA_MP_1E2: Likewise.
        CSKY_ISA_JAVA: Likewise.
        CSKY_ISA_MAC: Likewise.
        CSKY_ISA_MAC_DSP: Likewise.
        CSKY_ISA_DSP: Likewise.
        CSKY_ISA_DSP_1E2: Likewise.
        CSKY_ISA_DSP_ENHANCE: Likewise.
        CSKY_ISA_FLOAT_E1: Likewise.
        CSKY_ISA_FLOAT_1E2: Likewise.
        CSKY_ISA_FLOAT_1E3: Likewise.
        CSKY_ISA_FLOAT_3E4: Likewise.
        CSKY_ISA_VDSP: Likewise.

ld/
        * emulparams/cskyelf.sh: Support attribute section.
        * testsuite/ld-csky/tls-le-v1.d: Match .csky.attributes section.
        * ld/testsuite/ld-csky/tls-le.d: Likewise.
        * testsuite/ld-elf/non-contiguous.ld: Ignore .csky.attributes
        section.

opcodes/
        * csky-dis.c (CSKY_DEFAULT_ISA): Define.
        (csky_dis_info): Add member isa.
        (csky_find_inst_info): Skip instructions that do not belong to
        current CPU.
        (csky_get_disassembler): Get infomation from attribute section.
        (print_insn_csky): Set defualt ISA flag.
        * csky.h (CSKY_ISA_VDSP_2): Rename from CSKY_ISA_VDSP_V2.
        * csky-opc.h (struct csky_opcode): Change isa_flag16 and
        isa_flag32'type to unsigned 64 bits.
This commit is contained in:
Cooper Qu
2020-08-26 11:21:14 +08:00
committed by Lifang Xia
parent 6194b866b7
commit 0861f561eb
41 changed files with 827 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
opcodes/csky-dis.c
View File

@ -23,6 +23,7 @@
#include "config.h"
#include <stdio.h>
#include "bfd_stdint.h"
#include <elf/csky.h>
#include "disassemble.h"
#include "elf-bfd.h"
#include "opcode/csky.h"
@ -32,6 +33,7 @@
#define CSKY_INST_TYPE unsigned long
#define HAS_SUB_OPERAND (unsigned int)0xffffffff
#define CSKY_DEFAULT_ISA 0xffffffff
enum sym_type
{
@ -47,6 +49,7 @@ struct csky_dis_info
disassemble_info *info;
/* Opcode information. */
struct csky_opcode_info const *opinfo;
BFD_HOST_U_64_BIT isa;
/* The value of operand to show. */
int value;
/* Whether to look up/print a symbol name. */
@ -159,10 +162,8 @@ csky_find_inst_info (struct csky_opcode_info const **pinfo,
p = g_opcodeP;
while (p->mnemonic)
{
/* FIXME: Skip 860's instruction in other CPUs. It is not suitable.
These codes need to be optimized. */
if (((CSKY_ARCH_MASK & mach_flag) != CSKY_ARCH_860)
&& (p->isa_flag32 & CSKYV2_ISA_10E60))
if (!(p->isa_flag16 & dis_info.isa)
&& !(p->isa_flag32 & dis_info.isa))
{
p++;
continue;
@ -235,9 +236,28 @@ csky_symbol_is_valid (asymbol *sym,
disassembler_ftype
csky_get_disassembler (bfd *abfd)
{
if (abfd != NULL)
mach_flag = elf_elfheader (abfd)->e_flags;
return print_insn_csky;
obj_attribute *attr;
const char *sec_name = NULL;
if (!abfd)
return NULL;
mach_flag = elf_elfheader (abfd)->e_flags;
sec_name = get_elf_backend_data (abfd)->obj_attrs_section;
/* Skip any input that hasn't attribute section.
This enables to link object files without attribute section with
any others. */
if (bfd_get_section_by_name (abfd, sec_name) != NULL)
{
attr = elf_known_obj_attributes_proc (abfd);
dis_info.isa = attr[Tag_CSKY_ISA_EXT_FLAGS].i;
dis_info.isa <<= 32;
dis_info.isa |= attr[Tag_CSKY_ISA_FLAGS].i;
}
else
dis_info.isa = CSKY_DEFAULT_ISA;
return print_insn_csky;
}
static int
@ -937,10 +957,16 @@ print_insn_csky (bfd_vma memaddr, struct disassemble_info *info)
if (mach_flag != INIT_MACH_FLAG && mach_flag != BINARY_MACH_FLAG)
info->mach = mach_flag;
else if (mach_flag == INIT_MACH_FLAG)
mach_flag = info->mach;
{
mach_flag = info->mach;
dis_info.isa = CSKY_DEFAULT_ISA;
}
if (mach_flag == BINARY_MACH_FLAG && info->endian == BFD_ENDIAN_UNKNOWN)
info->endian = BFD_ENDIAN_LITTLE;
{
info->endian = BFD_ENDIAN_LITTLE;
dis_info.isa = CSKY_DEFAULT_ISA;
}
/* First check the full symtab for a mapping symbol, even if there
are no usable non-mapping symbols for this address. */