/* RISC-V ELF specific backend routines.
- Copyright (C) 2011-2020 Free Software Foundation, Inc.
+ Copyright (C) 2011-2024 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
Based on MIPS target.
#include "elf/common.h"
#include "elf/internal.h"
#include "opcode/riscv.h"
+#include "cpu-riscv.h"
+
+#define RISCV_UNKNOWN_VERSION -1
+
+struct riscv_elf_params
+{
+ /* Whether to relax code sequences to GP-relative addressing. */
+ bool relax_gp;
+ /* Whether to check if SUB_ULEB128 relocation has non-zero addend. */
+ bool check_uleb128;
+};
+
+extern void riscv_elf32_set_options (struct bfd_link_info *,
+ struct riscv_elf_params *);
+extern void riscv_elf64_set_options (struct bfd_link_info *,
+ struct riscv_elf_params *);
extern reloc_howto_type *
riscv_reloc_name_lookup (bfd *, const char *);
extern reloc_howto_type *
riscv_elf_rtype_to_howto (bfd *, unsigned int r_type);
-#define RISCV_UNKNOWN_VERSION -1
-
/* The information of architecture attribute. */
struct riscv_subset_t
{
{
riscv_subset_t *head;
riscv_subset_t *tail;
+ const char *arch_str;
} riscv_subset_list_t;
extern void
const char *,
int, int);
-extern riscv_subset_t *
+extern bool
riscv_lookup_subset (const riscv_subset_list_t *,
- const char *);
+ const char *,
+ riscv_subset_t **);
typedef struct
{
void (*error_handler) (const char *,
...) ATTRIBUTE_PRINTF_1;
unsigned *xlen;
- void (*get_default_version) (const char *,
- int *,
- int *);
+ enum riscv_spec_class *isa_spec;
+ bool check_unknown_prefixed_ext;
} riscv_parse_subset_t;
-extern bfd_boolean
+extern bool
riscv_parse_subset (riscv_parse_subset_t *,
const char *);
-extern const char *
-riscv_supported_std_ext (void);
-
extern void
riscv_release_subset_list (riscv_subset_list_t *);
extern size_t
riscv_estimate_digit (unsigned);
-/* ISA extension name class. E.g. "zbb" corresponds to RV_ISA_CLASS_Z,
- "xargs" corresponds to RV_ISA_CLASS_X, etc. */
+extern int
+riscv_compare_subsets (const char *, const char *);
-typedef enum riscv_isa_ext_class
-{
- RV_ISA_CLASS_S,
- RV_ISA_CLASS_H,
- RV_ISA_CLASS_Z,
- RV_ISA_CLASS_X,
- RV_ISA_CLASS_UNKNOWN
-} riscv_isa_ext_class_t;
+extern riscv_subset_list_t *
+riscv_copy_subset_list (riscv_subset_list_t *);
-riscv_isa_ext_class_t
-riscv_get_prefix_class (const char *);
+extern bool
+riscv_update_subset (riscv_parse_subset_t *, const char *);
-extern int
-riscv_get_priv_spec_class (const char *, enum riscv_priv_spec_class *);
+extern bool
+riscv_subset_supports (riscv_parse_subset_t *, const char *);
-extern int
-riscv_get_priv_spec_class_from_numbers (unsigned int,
- unsigned int,
- unsigned int,
- enum riscv_priv_spec_class *);
+extern bool
+riscv_multi_subset_supports (riscv_parse_subset_t *, enum riscv_insn_class);
extern const char *
-riscv_get_priv_spec_name (enum riscv_priv_spec_class);
+riscv_multi_subset_supports_ext (riscv_parse_subset_t *, enum riscv_insn_class);
+
+extern void
+bfd_elf32_riscv_set_data_segment_info (struct bfd_link_info *, int *);
+extern void
+bfd_elf64_riscv_set_data_segment_info (struct bfd_link_info *, int *);