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disas: Clean up CPUDebug initialization

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Rename several functions, dropping "generic" and making "host"
vs "target" clearer.  Make a bunch of functions static that are
not used outside this file. Replace INIT_DISASSEMBLE_INFO with
a trio of functions.

Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-09-10 14:40:54 -07:00
parent 4c389f6edf
commit 12b6e9b27d
2 changed files with 151 additions and 241 deletions
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62
include/disas/dis-asm.h
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@ -406,7 +406,6 @@ typedef struct disassemble_info {
} disassemble_info;
/* Standard disassemblers. Disassemble one instruction at the given
target address. Return number of bytes processed. */
typedef int (*disassembler_ftype) (bfd_vma, disassemble_info *);
@ -461,67 +460,6 @@ int print_insn_riscv32 (bfd_vma, disassemble_info*);
int print_insn_riscv64 (bfd_vma, disassemble_info*);
int print_insn_rx(bfd_vma, disassemble_info *);
#if 0
/* Fetch the disassembler for a given BFD, if that support is available. */
disassembler_ftype disassembler(bfd *);
#endif
/* This block of definitions is for particular callers who read instructions
into a buffer before calling the instruction decoder. */
/* Here is a function which callers may wish to use for read_memory_func.
It gets bytes from a buffer. */
int buffer_read_memory(bfd_vma, bfd_byte *, int, struct disassemble_info *);
/* This function goes with buffer_read_memory.
It prints a message using info->fprintf_func and info->stream. */
void perror_memory(int, bfd_vma, struct disassemble_info *);
/* Just print the address in hex. This is included for completeness even
though both GDB and objdump provide their own (to print symbolic
addresses). */
void generic_print_address(bfd_vma, struct disassemble_info *);
/* Always true. */
int generic_symbol_at_address(bfd_vma, struct disassemble_info *);
/* Macro to initialize a disassemble_info struct. This should be called
by all applications creating such a struct. */
#define INIT_DISASSEMBLE_INFO(INFO, STREAM, FPRINTF_FUNC) \
(INFO).flavour = bfd_target_unknown_flavour, \
(INFO).arch = bfd_arch_unknown, \
(INFO).mach = 0, \
(INFO).endian = BFD_ENDIAN_UNKNOWN, \
INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC)
/* Call this macro to initialize only the internal variables for the
disassembler. Architecture dependent things such as byte order, or machine
variant are not touched by this macro. This makes things much easier for
GDB which must initialize these things separately. */
#define INIT_DISASSEMBLE_INFO_NO_ARCH(INFO, STREAM, FPRINTF_FUNC) \
(INFO).fprintf_func = (FPRINTF_FUNC), \
(INFO).stream = (STREAM), \
(INFO).symbols = NULL, \
(INFO).num_symbols = 0, \
(INFO).private_data = NULL, \
(INFO).buffer = NULL, \
(INFO).buffer_vma = 0, \
(INFO).buffer_length = 0, \
(INFO).read_memory_func = buffer_read_memory, \
(INFO).memory_error_func = perror_memory, \
(INFO).print_address_func = generic_print_address, \
(INFO).print_insn = NULL, \
(INFO).symbol_at_address_func = generic_symbol_at_address, \
(INFO).flags = 0, \
(INFO).bytes_per_line = 0, \
(INFO).bytes_per_chunk = 0, \
(INFO).display_endian = BFD_ENDIAN_UNKNOWN, \
(INFO).disassembler_options = NULL, \
(INFO).insn_info_valid = 0
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__((unused))
#endif