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G.3 Predefined Target Types

Type definitions in the self-description can build up composite types from basic building blocks, but can not define fundamental types. Instead, standard identifiers are provided by GDB for the fundamental types. The currently supported types are:

int8
int16
int32
int64
int128

Signed integer types holding the specified number of bits.

uint8
uint16
uint32
uint64
uint128

Unsigned integer types holding the specified number of bits.

code_ptr
data_ptr

Pointers to unspecified code and data. The program counter and any dedicated return address register may be marked as code pointers; printing a code pointer converts it into a symbolic address. The stack pointer and any dedicated address registers may be marked as data pointers.

ieee_single

Single precision IEEE floating point.

ieee_double

Double precision IEEE floating point.

arm_fpa_ext

The 12-byte extended precision format used by ARM FPA registers.

i387_ext

The 10-byte extended precision format used by x87 registers.

i386_eflags

32bit EFLAGS register used by x86.

i386_mxcsr

32bit MXCSR register used by x86.