microfmt::riscv32_abi_traits Struct Reference

DWARF unwind ABI traits for RISC-V 32-bit (RV32). More...

#include <dwarf_abi.hpp>

Public Types
using	register_type = uint32_t
	Register value width.
using	register_traits = dwarf::riscv::register_traits
	Architecture register name/index catalog.
using	gdb_register_traits = gdb::register_traits< gdb::tags::riscv32 >
	GDB-to-DWARF register mapping.

Static Public Member Functions
static constexpr bool	is_return_address_register (uint32_t reg) noexcept
	Reports whether a register holds the return address.
static constexpr bool	is_frame_pointer_register (uint32_t reg) noexcept
	Reports whether a register is a frame pointer.
static constexpr uintptr_t	normalize_pc (uintptr_t raw_ra) noexcept

Static Public Attributes
static constexpr size_t	pointer_size = 4
	Pointer size in bytes.
static constexpr uint32_t	sp_reg = dwarf::riscv::sp
	SP register number.
static constexpr uint32_t	ra_reg = dwarf::riscv::ra
	RA register number.
static constexpr uint32_t	fp_reg = dwarf::riscv::fp
	FP register number.
static constexpr ptrdiff_t	fp_slot_offset = 0
static constexpr ptrdiff_t	ra_slot_offset = 4

Detailed Description

DWARF unwind ABI traits for RISC-V 32-bit (RV32).

Member Typedef Documentation

gdb_register_traits

using microfmt::riscv32_abi_traits::gdb_register_traits = gdb::register_traits<gdb::tags::riscv32>

GDB-to-DWARF register mapping.

register_traits

using microfmt::riscv32_abi_traits::register_traits = dwarf::riscv::register_traits

Architecture register name/index catalog.

register_type

using microfmt::riscv32_abi_traits::register_type = uint32_t

Register value width.

Member Function Documentation

is_frame_pointer_register()

static constexpr bool microfmt::riscv32_abi_traits::is_frame_pointer_register ( uint32_t  reg )

inlinestaticconstexprnoexcept

Reports whether a register is a frame pointer.

Parameters

reg	DWARF register number.

Returns

true for x8 (s0/fp).

is_return_address_register()

static constexpr bool microfmt::riscv32_abi_traits::is_return_address_register ( uint32_t  reg )

inlinestaticconstexprnoexcept

Reports whether a register holds the return address.

Parameters

reg	DWARF register number.

Returns

true for x1 (ra).

normalize_pc()

static constexpr uintptr_t microfmt::riscv32_abi_traits::normalize_pc ( uintptr_t  raw_ra )

inlinestaticconstexprnoexcept

Member Data Documentation

fp_reg

constexpr uint32_t microfmt::riscv32_abi_traits::fp_reg = dwarf::riscv::fp

staticconstexpr

FP register number.

fp_slot_offset

constexpr ptrdiff_t microfmt::riscv32_abi_traits::fp_slot_offset = 0

staticconstexpr

pointer_size

constexpr size_t microfmt::riscv32_abi_traits::pointer_size = 4

staticconstexpr

Pointer size in bytes.

ra_reg

constexpr uint32_t microfmt::riscv32_abi_traits::ra_reg = dwarf::riscv::ra

staticconstexpr

RA register number.

ra_slot_offset

constexpr ptrdiff_t microfmt::riscv32_abi_traits::ra_slot_offset = 4

staticconstexpr

sp_reg

constexpr uint32_t microfmt::riscv32_abi_traits::sp_reg = dwarf::riscv::sp

staticconstexpr

SP register number.

---

The documentation for this struct was generated from the following file:

• include/microfmt/inspector/dwarf_abi.hpp