#include "server.h"
#include <signal.h>
#include <limits.h>
#include <inttypes.h>
#include "linux-low.h"
#include "i387-fp.h"
#include "x86-low.h"
#include "x86-xstate.h"
#include "nat/gdb_ptrace.h"
#include "gdb_proc_service.h"
#include "elf/common.h"
#include "agent.h"
#include "tdesc.h"
#include "tracepoint.h"
#include "ax.h"
#include "nat/linux-nat.h"
#include "nat/x86-linux.h"
#include "nat/x86-linux-dregs.h"
#include "linux-x86-tdesc.h"
#include <sys/reg.h>
#include <sys/procfs.h>
#include <sys/uio.h>

Classes
struct	arch_process_info

Macros
#define	PTRACE_GET_THREAD_AREA 25

#define	PTRACE_ARCH_PRCTL 30

#define	ARCH_SET_GS 0x1001

#define	ARCH_SET_FS 0x1002

#define	ARCH_GET_FS 0x1003

#define	ARCH_GET_GS 0x1004

#define	I386_NUM_REGS (sizeof (i386_regmap) / sizeof (i386_regmap[0]))

#define	REGSIZE 4

#define	x86_breakpoint_len 1

#define	I386_LINUX_XSAVE_XCR0_OFFSET 464

#define	EMIT_ASM(NAME, INSNS)

#define	EMIT_ASM32(NAME, INSNS) EMIT_ASM(NAME,INSNS)

Functions
ps_err_e	ps_get_thread_area (struct ps_prochandle ph, lwpid_t lwpid, int idx, void *base)

static int	x86_get_thread_area (int lwpid, CORE_ADDR *addr)

static int	x86_cannot_store_register (int regno)

static int	x86_cannot_fetch_register (int regno)

static void	x86_fill_gregset (struct regcache regcache, void buf)

static void	x86_store_gregset (struct regcache regcache, const void buf)

static void	x86_fill_fpregset (struct regcache regcache, void buf)

static void	x86_store_fpregset (struct regcache regcache, const void buf)

static void	x86_fill_fpxregset (struct regcache regcache, void buf)

static void	x86_store_fpxregset (struct regcache regcache, const void buf)

static void	x86_fill_xstateregset (struct regcache regcache, void buf)

static void	x86_store_xstateregset (struct regcache regcache, const void buf)

static CORE_ADDR	x86_get_pc (struct regcache *regcache)

static void	x86_set_pc (struct regcache *regcache, CORE_ADDR pc)

static int	x86_breakpoint_at (CORE_ADDR pc)

static int	x86_supports_z_point_type (char z_type)

static int	x86_insert_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)

static int	x86_remove_point (enum raw_bkpt_type type, CORE_ADDR addr, int size, struct raw_breakpoint *bp)

static int	x86_stopped_by_watchpoint (void)

static CORE_ADDR	x86_stopped_data_address (void)

static struct arch_process_info *	x86_linux_new_process (void)

static void	x86_linux_delete_process (struct arch_process_info *info)

static void	x86_linux_new_fork (struct process_info parent, struct process_info child)

struct x86_debug_reg_state *	x86_debug_reg_state (pid_t pid)

static int	x86_siginfo_fixup (siginfo_t ptrace, gdb_byte inf, int direction)

static const struct target_desc *	x86_linux_read_description (void)

static void	x86_linux_update_xmltarget (void)

static void	x86_linux_process_qsupported (char **features, int count)

const struct regs_info *	x86_linux_regs_info (void)

static void	x86_arch_setup (void)

static void	x86_get_syscall_trapinfo (struct regcache regcache, int sysno)

static int	x86_supports_tracepoints (void)

static void	append_insns (CORE_ADDR to, size_t len, const unsigned char buf)

static int	push_opcode (unsigned char buf, const char op)

static int	i386_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR jump_entry, CORE_ADDR trampoline, ULONGEST trampoline_size, unsigned char jjump_pad_insn, ULONGEST jjump_pad_insn_size, CORE_ADDR adjusted_insn_addr, CORE_ADDR adjusted_insn_addr_end, char err)

static int	x86_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR jump_entry, CORE_ADDR trampoline, ULONGEST trampoline_size, unsigned char jjump_pad_insn, ULONGEST jjump_pad_insn_size, CORE_ADDR adjusted_insn_addr, CORE_ADDR adjusted_insn_addr_end, char err)

static int	x86_get_min_fast_tracepoint_insn_len (void)

static void	add_insns (unsigned char *start, int len)

static void	i386_emit_prologue (void)

static void	i386_emit_epilogue (void)

static void	i386_emit_add (void)

static void	i386_emit_sub (void)

static void	i386_emit_mul (void)

static void	i386_emit_lsh (void)

static void	i386_emit_rsh_signed (void)

static void	i386_emit_rsh_unsigned (void)

static void	i386_emit_ext (int arg)

static void	i386_emit_log_not (void)

static void	i386_emit_bit_and (void)

static void	i386_emit_bit_or (void)

static void	i386_emit_bit_xor (void)

static void	i386_emit_bit_not (void)

static void	i386_emit_equal (void)

static void	i386_emit_less_signed (void)

static void	i386_emit_less_unsigned (void)

static void	i386_emit_ref (int size)

static void	i386_emit_if_goto (int offset_p, int size_p)

static void	i386_emit_goto (int offset_p, int size_p)

static void	i386_write_goto_address (CORE_ADDR from, CORE_ADDR to, int size)

static void	i386_emit_const (LONGEST num)

static void	i386_emit_call (CORE_ADDR fn)

static void	i386_emit_reg (int reg)

static void	i386_emit_pop (void)

static void	i386_emit_stack_flush (void)

static void	i386_emit_zero_ext (int arg)

static void	i386_emit_swap (void)

static void	i386_emit_stack_adjust (int n)

static void	i386_emit_int_call_1 (CORE_ADDR fn, int arg1)

static void	i386_emit_void_call_2 (CORE_ADDR fn, int arg1)

void	i386_emit_eq_goto (int offset_p, int size_p)

void	i386_emit_ne_goto (int offset_p, int size_p)

void	i386_emit_lt_goto (int offset_p, int size_p)

void	i386_emit_le_goto (int offset_p, int size_p)

void	i386_emit_gt_goto (int offset_p, int size_p)

void	i386_emit_ge_goto (int offset_p, int size_p)

static struct emit_ops *	x86_emit_ops (void)

static const gdb_byte *	x86_sw_breakpoint_from_kind (int kind, int *size)

static int	x86_supports_range_stepping (void)

static int	x86_supports_hardware_single_step (void)

static int	x86_get_ipa_tdesc_idx (void)

void	initialize_low_arch (void)

Variables
static struct target_desc *	tdesc_i386_linux_no_xml

static unsigned char	jump_insn [] = { 0xe9, 0, 0, 0, 0 }

static unsigned char	small_jump_insn [] = { 0x66, 0xe9, 0, 0 }

static const char *	xmltarget_i386_linux_no_xml

static int	i386_regmap []

static struct regset_info	x86_regsets []

static const gdb_byte	x86_breakpoint [] = { 0xCC }

struct x86_dr_low_type	x86_dr_low

static int	use_xml

int	have_ptrace_getfpxregs

static struct regsets_info	x86_regsets_info

static struct usrregs_info	i386_linux_usrregs_info

static struct regs_info	i386_linux_regs_info

struct emit_ops	i386_emit_ops

struct linux_target_ops	the_low_target

Macro Definition Documentation

◆ ARCH_GET_FS

#define ARCH_GET_FS 0x1003

Definition at line 92 of file linux-x86-low.c.

Referenced by ps_get_thread_area(), x86_get_thread_area(), and x86_store_gregset().

◆ ARCH_GET_GS

#define ARCH_GET_GS 0x1004

Definition at line 93 of file linux-x86-low.c.

Referenced by ps_get_thread_area(), and x86_store_gregset().

◆ ARCH_SET_FS

#define ARCH_SET_FS 0x1002

Definition at line 91 of file linux-x86-low.c.

Referenced by x86_fill_gregset().

◆ ARCH_SET_GS

#define ARCH_SET_GS 0x1001

Definition at line 90 of file linux-x86-low.c.

Referenced by x86_fill_gregset().

◆ EMIT_ASM

#define EMIT_ASM	(	NAME,
		INSNS
	)

Value:

do                                  \
    {                                   \
      extern unsigned char start_ ## NAME, end_ ## NAME;        \
      add_insns (&start_ ## NAME, &end_ ## NAME - &start_ ## NAME); \
      __asm__ ("jmp end_" #NAME "\n"                    \
           "\t" "start_" #NAME ":"                  \
           "\t" INSNS "\n"                      \
           "\t" "end_" #NAME ":");                  \
    } while (0)

Definition at line 1503 of file linux-x86-low.c.

◆ EMIT_ASM32

#define EMIT_ASM32	(	NAME,
		INSNS
	)	EMIT_ASM(NAME,INSNS)

◆ I386_LINUX_XSAVE_XCR0_OFFSET

#define I386_LINUX_XSAVE_XCR0_OFFSET 464

Definition at line 720 of file linux-x86-low.c.

Referenced by x86_linux_read_description().

◆ I386_NUM_REGS

#define I386_NUM_REGS (sizeof (i386_regmap) / sizeof (i386_regmap[0]))

Definition at line 170 of file linux-x86-low.c.

Referenced by x86_cannot_fetch_register(), x86_cannot_store_register(), x86_fill_gregset(), and x86_store_gregset().

◆ PTRACE_ARCH_PRCTL

#define PTRACE_ARCH_PRCTL 30

Definition at line 84 of file linux-x86-low.c.

Referenced by ps_get_thread_area(), x86_fill_gregset(), x86_get_thread_area(), and x86_store_gregset().

◆ PTRACE_GET_THREAD_AREA

#define PTRACE_GET_THREAD_AREA 25

Definition at line 79 of file linux-x86-low.c.

Referenced by ps_get_thread_area(), and x86_get_thread_area().

◆ REGSIZE

#define REGSIZE 4

Definition at line 172 of file linux-x86-low.c.

Referenced by x86_fill_gregset(), and x86_store_gregset().

◆ x86_breakpoint_len

#define x86_breakpoint_len 1

Definition at line 497 of file linux-x86-low.c.

Referenced by x86_sw_breakpoint_from_kind().

Function Documentation

◆ add_insns()

static void add_insns	(	unsigned char *	start,
		int	len
	)

static

Definition at line 1485 of file linux-x86-low.c.

References append_insns(), current_insn_ptr, debug_printf(), debug_threads, and paddress().

◆ append_insns()

static void append_insns	(	CORE_ADDR *	to,
		size_t	len,
		const unsigned char *	buf
	)

static

Definition at line 994 of file linux-x86-low.c.

References write_inferior_memory().

Referenced by add_insns(), i386_emit_call(), i386_emit_const(), i386_emit_int_call_1(), i386_emit_reg(), i386_emit_stack_adjust(), i386_emit_void_call_2(), and i386_install_fast_tracepoint_jump_pad().

◆ i386_emit_add()

static void i386_emit_add ( void )

static

Definition at line 2146 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_bit_and()

static void i386_emit_bit_and ( void )

static

Definition at line 2228 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_bit_not()

static void i386_emit_bit_not ( void )

static

Definition at line 2255 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_bit_or()

static void i386_emit_bit_or ( void )

static

Definition at line 2237 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_bit_xor()

static void i386_emit_bit_xor ( void )

static

Definition at line 2246 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_call()

static void i386_emit_call ( CORE_ADDR fn )

static

Definition at line 2418 of file linux-x86-low.c.

References append_insns(), current_insn_ptr, and offset.

Referenced by i386_emit_int_call_1(), i386_emit_reg(), and i386_emit_void_call_2().

◆ i386_emit_const()

static void i386_emit_const ( LONGEST num )

static

Definition at line 2391 of file linux-x86-low.c.

References append_insns(), and current_insn_ptr.

◆ i386_emit_epilogue()

static void i386_emit_epilogue ( void )

static

Definition at line 2133 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_eq_goto()

void i386_emit_eq_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2593 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_equal()

static void i386_emit_equal ( void )

static

Definition at line 2263 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_ext()

static void i386_emit_ext ( int arg )

static

Definition at line 2189 of file linux-x86-low.c.

References EMIT_ASM32, and emit_error.

◆ i386_emit_ge_goto()

void i386_emit_ge_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2722 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_goto()

static void i386_emit_goto	(	int *	offset_p,
		int *	size_p
	)

static

Definition at line 2362 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_gt_goto()

void i386_emit_gt_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2696 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_if_goto()

static void i386_emit_if_goto	(	int *	offset_p,
		int *	size_p
	)

static

Definition at line 2344 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_int_call_1()

static void i386_emit_int_call_1	(	CORE_ADDR	fn,
		int	arg1
	)

static

Definition at line 2530 of file linux-x86-low.c.

References append_insns(), current_insn_ptr, EMIT_ASM32, and i386_emit_call().

◆ i386_emit_le_goto()

void i386_emit_le_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2670 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_less_signed()

static void i386_emit_less_signed ( void )

static

Definition at line 2281 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_less_unsigned()

static void i386_emit_less_unsigned ( void )

static

Definition at line 2300 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_log_not()

static void i386_emit_log_not ( void )

static

Definition at line 2217 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_lsh()

static void i386_emit_lsh ( void )

static

Definition at line 2171 of file linux-x86-low.c.

References emit_error.

◆ i386_emit_lt_goto()

void i386_emit_lt_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2644 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_mul()

static void i386_emit_mul ( void )

static

Definition at line 2165 of file linux-x86-low.c.

References emit_error.

◆ i386_emit_ne_goto()

void i386_emit_ne_goto	(	int *	offset_p,
		int *	size_p
	)

Definition at line 2618 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_pop()

static void i386_emit_pop ( void )

static

Definition at line 2460 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_prologue()

static void i386_emit_prologue ( void )

static

Definition at line 2122 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_ref()

static void i386_emit_ref ( int size )

static

Definition at line 2319 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_reg()

static void i386_emit_reg ( int reg )

static

Definition at line 2434 of file linux-x86-low.c.

References append_insns(), current_insn_ptr, EMIT_ASM32, get_raw_reg_func_addr(), and i386_emit_call().

◆ i386_emit_rsh_signed()

static void i386_emit_rsh_signed ( void )

static

Definition at line 2177 of file linux-x86-low.c.

References emit_error.

◆ i386_emit_rsh_unsigned()

static void i386_emit_rsh_unsigned ( void )

static

Definition at line 2183 of file linux-x86-low.c.

References emit_error.

◆ i386_emit_stack_adjust()

static void i386_emit_stack_adjust ( int n )

static

Definition at line 2512 of file linux-x86-low.c.

References append_insns(), and current_insn_ptr.

◆ i386_emit_stack_flush()

static void i386_emit_stack_flush ( void )

static

Definition at line 2468 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_sub()

static void i386_emit_sub ( void )

static

Definition at line 2155 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_swap()

static void i386_emit_swap ( void )

static

Definition at line 2500 of file linux-x86-low.c.

References EMIT_ASM32.

◆ i386_emit_void_call_2()

static void i386_emit_void_call_2	(	CORE_ADDR	fn,
		int	arg1
	)

static

Definition at line 2558 of file linux-x86-low.c.

References append_insns(), current_insn_ptr, EMIT_ASM32, and i386_emit_call().

◆ i386_emit_zero_ext()

static void i386_emit_zero_ext ( int arg )

static

Definition at line 2476 of file linux-x86-low.c.

References EMIT_ASM32, and emit_error.

◆ i386_install_fast_tracepoint_jump_pad()

static int i386_install_fast_tracepoint_jump_pad	(	CORE_ADDR	tpoint,
		CORE_ADDR	tpaddr,
		CORE_ADDR	collector,
		CORE_ADDR	lockaddr,
		ULONGEST	orig_size,
		CORE_ADDR *	jump_entry,
		CORE_ADDR *	trampoline,
		ULONGEST *	trampoline_size,
		unsigned char *	jjump_pad_insn,
		ULONGEST *	jjump_pad_insn_size,
		CORE_ADDR *	adjusted_insn_addr,
		CORE_ADDR *	adjusted_insn_addr_end,
		char *	err
	)

static

Definition at line 1217 of file linux-x86-low.c.

References append_insns(), claim_trampoline_space(), jump_insn, offset, push_opcode(), relocate_instruction(), small_jump_insn, and write_inferior_memory().

Referenced by x86_install_fast_tracepoint_jump_pad().

◆ i386_write_goto_address()

static void i386_write_goto_address	(	CORE_ADDR	from,
		CORE_ADDR	to,
		int	size
	)

static

Definition at line 2374 of file linux-x86-low.c.

References emit_error, and write_inferior_memory().

◆ initialize_low_arch()

void initialize_low_arch ( void )

Definition at line 2889 of file linux-x86-low.c.

References allocate_target_description(), copy_target_description(), i386_linux_read_description(), initialize_low_tdesc(), tdesc_i386_linux_no_xml, x86_regsets_info, X86_XSTATE_SSE_MASK, target_desc::xmltarget, and xmltarget_i386_linux_no_xml.

◆ ps_get_thread_area()

ps_err_e ps_get_thread_area	(	struct ps_prochandle *	ph,
		lwpid_t	lwpid,
		int	idx,
		void **	base
	)

Definition at line 195 of file linux-x86-low.c.

References ARCH_GET_FS, ARCH_GET_GS, is_64bit_tdesc(), PS_BADADDR, PS_ERR, PS_OK, ptrace(), PTRACE_ARCH_PRCTL, and PTRACE_GET_THREAD_AREA.

◆ push_opcode()

static int push_opcode	(	unsigned char *	buf,
		const char *	op
	)

static

Definition at line 1001 of file linux-x86-low.c.

Referenced by i386_install_fast_tracepoint_jump_pad().

◆ x86_arch_setup()

static void x86_arch_setup ( void )

static

Definition at line 963 of file linux-x86-low.c.

References current_process(), process_info::tdesc, and x86_linux_read_description().

◆ x86_breakpoint_at()

static int x86_breakpoint_at ( CORE_ADDR pc )

static

Definition at line 500 of file linux-x86-low.c.

References target_ops::read_memory, and the_target.

◆ x86_cannot_fetch_register()

static int x86_cannot_fetch_register ( int regno )

static

Definition at line 294 of file linux-x86-low.c.

References I386_NUM_REGS, and is_64bit_tdesc().

◆ x86_cannot_store_register()

static int x86_cannot_store_register ( int regno )

static

Definition at line 283 of file linux-x86-low.c.

References I386_NUM_REGS, and is_64bit_tdesc().

◆ x86_debug_reg_state()

struct x86_debug_reg_state* x86_debug_reg_state ( pid_t pid )

Definition at line 659 of file linux-x86-low.c.

References process_info_private::arch_private, arch_process_info::debug_reg_state, find_process_pid(), process_info::pid, and process_info::priv.

Referenced by x86_linux_update_debug_registers().

◆ x86_emit_ops()

static struct emit_ops* x86_emit_ops ( void )

static

Definition at line 2790 of file linux-x86-low.c.

References i386_emit_ops, and is_64bit_tdesc().

◆ x86_fill_fpregset()

static void x86_fill_fpregset	(	struct regcache *	regcache,
		void *	buf
	)

static

Definition at line 380 of file linux-x86-low.c.

References i387_cache_to_fsave(), and i387_cache_to_fxsave().

◆ x86_fill_fpxregset()

static void x86_fill_fpxregset	(	struct regcache *	regcache,
		void *	buf
	)

static

Definition at line 402 of file linux-x86-low.c.

References i387_cache_to_fxsave().

◆ x86_fill_gregset()

static void x86_fill_gregset	(	struct regcache *	regcache,
		void *	buf
	)

static

Definition at line 305 of file linux-x86-low.c.

References ARCH_SET_FS, ARCH_SET_GS, collect_register(), collect_register_by_name(), current_thread, I386_NUM_REGS, i386_regmap, lwpid_of(), memset(), ptrace(), PTRACE_ARCH_PRCTL, register_size(), REGSIZE, and regcache::tdesc.

◆ x86_fill_xstateregset()

static void x86_fill_xstateregset	(	struct regcache *	regcache,
		void *	buf
	)

static

Definition at line 416 of file linux-x86-low.c.

References i387_cache_to_xsave().

◆ x86_get_ipa_tdesc_idx()

static int x86_get_ipa_tdesc_idx ( void )

static

Definition at line 2825 of file linux-x86-low.c.

References current_thread, get_thread_regcache(), i386_get_ipa_tdesc_idx(), regcache::tdesc, tdesc_i386_linux_no_xml, and X86_TDESC_SSE.

◆ x86_get_min_fast_tracepoint_insn_len()

static int x86_get_min_fast_tracepoint_insn_len ( void )

static

Definition at line 1441 of file linux-x86-low.c.

References agent_loaded_p(), have_fast_tracepoint_trampoline_buffer(), IPA_BUFSIZ, is_64bit_tdesc(), and warning().

◆ x86_get_pc()

static CORE_ADDR x86_get_pc ( struct regcache * regcache )

static

Definition at line 457 of file linux-x86-low.c.

References collect_register_by_name(), register_size(), and regcache::tdesc.

◆ x86_get_syscall_trapinfo()

static void x86_get_syscall_trapinfo	(	struct regcache *	regcache,
		int *	sysno
	)

static

Definition at line 972 of file linux-x86-low.c.

References collect_register_by_name(), register_size(), and regcache::tdesc.

◆ x86_get_thread_area()

static int x86_get_thread_area	(	int	lwpid,
		CORE_ADDR *	addr
	)

static

Definition at line 239 of file linux-x86-low.c.

References ARCH_GET_FS, collect_register_by_name(), find_lwp_pid(), get_lwp_thread, get_thread_regcache(), is_64bit_tdesc(), lwpid_of(), pid_to_ptid(), ptrace(), PTRACE_ARCH_PRCTL, and PTRACE_GET_THREAD_AREA.

◆ x86_insert_point()

static int x86_insert_point	(	enum raw_bkpt_type	type,
		CORE_ADDR	addr,
		int	size,
		struct raw_breakpoint *	bp
	)

static

Definition at line 540 of file linux-x86-low.c.

References process_info_private::arch_private, current_process(), arch_process_info::debug_reg_state, process_info::priv, raw_bkpt_type_access_wp, raw_bkpt_type_hw, raw_bkpt_type_to_target_hw_bp_type(), raw_bkpt_type_write_wp, and x86_dr_insert_watchpoint().

◆ x86_install_fast_tracepoint_jump_pad()

static int x86_install_fast_tracepoint_jump_pad	(	CORE_ADDR	tpoint,
		CORE_ADDR	tpaddr,
		CORE_ADDR	collector,
		CORE_ADDR	lockaddr,
		ULONGEST	orig_size,
		CORE_ADDR *	jump_entry,
		CORE_ADDR *	trampoline,
		ULONGEST *	trampoline_size,
		unsigned char *	jjump_pad_insn,
		ULONGEST *	jjump_pad_insn_size,
		CORE_ADDR *	adjusted_insn_addr,
		CORE_ADDR *	adjusted_insn_addr_end,
		char *	err
	)

static

Definition at line 1400 of file linux-x86-low.c.

References i386_install_fast_tracepoint_jump_pad(), and is_64bit_tdesc().

◆ x86_linux_delete_process()

static void x86_linux_delete_process ( struct arch_process_info * info )

static

Definition at line 623 of file linux-x86-low.c.

References xfree().

◆ x86_linux_new_fork()

static void x86_linux_new_fork	(	struct process_info *	parent,
		struct process_info *	child
	)

static

Definition at line 631 of file linux-x86-low.c.

References process_info_private::arch_private, gdb_assert, and process_info::priv.

◆ x86_linux_new_process()

static struct arch_process_info* x86_linux_new_process ( void )

static

Definition at line 611 of file linux-x86-low.c.

References arch_process_info::debug_reg_state, x86_low_init_dregs(), and XCNEW.

◆ x86_linux_process_qsupported()

static void x86_linux_process_qsupported	(	char **	features,
		int	count
	)

static

Definition at line 886 of file linux-x86-low.c.

References free(), startswith(), use_xml, x86_linux_update_xmltarget(), and xstrdup().

◆ x86_linux_read_description()

static const struct target_desc* x86_linux_read_description ( void )

static

Definition at line 736 of file linux-x86-low.c.

References _, current_thread, error(), gdb_assert_not_reached, have_ptrace_getfpxregs, have_ptrace_getregset, i386_linux_read_description(), I386_LINUX_XSAVE_XCR0_OFFSET, linux_pid_exe_is_elf_64_file(), lwpid_of(), ptrace(), PTRACE_GETREGSET, tdesc_i386_linux_no_xml, use_xml, x86_regsets, x86_xcr0, X86_XSTATE_ALL_MASK, X86_XSTATE_SIZE, X86_XSTATE_SSE, X86_XSTATE_SSE_MASK, X86_XSTATE_SSE_SIZE, and X86_XSTATE_X87.

Referenced by x86_arch_setup().

◆ x86_linux_regs_info()

const struct regs_info* x86_linux_regs_info ( void )

Definition at line 949 of file linux-x86-low.c.

References i386_linux_regs_info, and is_64bit_tdesc().

◆ x86_linux_update_xmltarget()

static void x86_linux_update_xmltarget ( void )

static

Definition at line 861 of file linux-x86-low.c.

References linux_target_ops::arch_setup, current_thread, find_any_thread_of_pid(), for_each_process(), process_info::pid, regcache_release(), and the_low_target.

Referenced by x86_linux_process_qsupported().

◆ x86_remove_point()

static int x86_remove_point	(	enum raw_bkpt_type	type,
		CORE_ADDR	addr,
		int	size,
		struct raw_breakpoint *	bp
	)

static

Definition at line 566 of file linux-x86-low.c.

References process_info_private::arch_private, current_process(), arch_process_info::debug_reg_state, process_info::priv, raw_bkpt_type_access_wp, raw_bkpt_type_hw, raw_bkpt_type_to_target_hw_bp_type(), raw_bkpt_type_write_wp, and x86_dr_remove_watchpoint().

◆ x86_set_pc()

static void x86_set_pc	(	struct regcache *	regcache,
		CORE_ADDR	pc
	)

static

Definition at line 478 of file linux-x86-low.c.

References register_size(), supply_register_by_name(), and regcache::tdesc.

◆ x86_siginfo_fixup()

static int x86_siginfo_fixup	(	siginfo_t *	ptrace,
		gdb_byte *	inf,
		int	direction
	)

static

Definition at line 679 of file linux-x86-low.c.

References amd64_linux_siginfo_fixup_common(), current_thread, FIXUP_32, FIXUP_X32, is_64bit_tdesc(), linux_pid_exe_is_elf_64_file(), lwpid_of(), and ptrace().

◆ x86_stopped_by_watchpoint()

static int x86_stopped_by_watchpoint ( void )

static

Definition at line 591 of file linux-x86-low.c.

References process_info_private::arch_private, current_process(), arch_process_info::debug_reg_state, process_info::priv, and x86_dr_stopped_by_watchpoint().

◆ x86_stopped_data_address()

static CORE_ADDR x86_stopped_data_address ( void )

static

Definition at line 598 of file linux-x86-low.c.

References process_info_private::arch_private, current_process(), arch_process_info::debug_reg_state, process_info::priv, and x86_dr_stopped_data_address().

◆ x86_store_fpregset()

static void x86_store_fpregset	(	struct regcache *	regcache,
		const void *	buf
	)

static

Definition at line 390 of file linux-x86-low.c.

References i387_fsave_to_cache(), and i387_fxsave_to_cache().

◆ x86_store_fpxregset()

static void x86_store_fpxregset	(	struct regcache *	regcache,
		const void *	buf
	)

static

Definition at line 408 of file linux-x86-low.c.

References i387_fxsave_to_cache().

◆ x86_store_gregset()

static void x86_store_gregset	(	struct regcache *	regcache,
		const void *	buf
	)

static

Definition at line 345 of file linux-x86-low.c.

References ARCH_GET_FS, ARCH_GET_GS, current_thread, I386_NUM_REGS, i386_regmap, lwpid_of(), ptrace(), PTRACE_ARCH_PRCTL, register_size(), REGSIZE, supply_register(), supply_register_by_name(), and regcache::tdesc.

◆ x86_store_xstateregset()

static void x86_store_xstateregset	(	struct regcache *	regcache,
		const void *	buf
	)

static

Definition at line 422 of file linux-x86-low.c.

References i387_xsave_to_cache().

◆ x86_supports_hardware_single_step()

static int x86_supports_hardware_single_step ( void )

static

Definition at line 2819 of file linux-x86-low.c.

◆ x86_supports_range_stepping()

static int x86_supports_range_stepping ( void )

static

Definition at line 2810 of file linux-x86-low.c.

◆ x86_supports_tracepoints()

static int x86_supports_tracepoints ( void )

static

Definition at line 988 of file linux-x86-low.c.

◆ x86_supports_z_point_type()

static int x86_supports_z_point_type ( char z_type )

static

Definition at line 525 of file linux-x86-low.c.

References Z_PACKET_ACCESS_WP, Z_PACKET_HW_BP, Z_PACKET_SW_BP, and Z_PACKET_WRITE_WP.

◆ x86_sw_breakpoint_from_kind()

static const gdb_byte* x86_sw_breakpoint_from_kind	(	int	kind,
		int *	size
	)

static

Definition at line 2803 of file linux-x86-low.c.

References x86_breakpoint, and x86_breakpoint_len.

Variable Documentation

◆ have_ptrace_getfpxregs

int have_ptrace_getfpxregs

Initial value:

=
  0

Definition at line 725 of file linux-x86-low.c.

Referenced by x86_linux_read_description().

◆ i386_emit_ops

struct emit_ops i386_emit_ops

Definition at line 2747 of file linux-x86-low.c.

Referenced by x86_emit_ops().

◆ i386_linux_regs_info

struct regs_info i386_linux_regs_info

static

Initial value:

=
  {
    NULL, 
    &i386_linux_usrregs_info,
    &x86_regsets_info
  }

Definition at line 941 of file linux-x86-low.c.

Referenced by x86_linux_regs_info().

◆ i386_linux_usrregs_info

struct usrregs_info i386_linux_usrregs_info

static

Initial value:

=
  {
    I386_NUM_REGS,
    i386_regmap,
  }

Definition at line 935 of file linux-x86-low.c.

◆ i386_regmap

int i386_regmap[]

static

Initial value:

= 
{
  EAX * 4, ECX * 4, EDX * 4, EBX * 4,
  UESP * 4, EBP * 4, ESI * 4, EDI * 4,
  EIP * 4, EFL * 4, CS * 4, SS * 4,
  DS * 4, ES * 4, FS * 4, GS * 4
}

Definition at line 162 of file linux-x86-low.c.

Referenced by x86_fill_gregset(), and x86_store_gregset().

◆ jump_insn

unsigned char jump_insn[] = { 0xe9, 0, 0, 0, 0 }

static

Definition at line 56 of file linux-x86-low.c.

Referenced by i386_install_fast_tracepoint_jump_pad().

◆ small_jump_insn

unsigned char small_jump_insn[] = { 0x66, 0xe9, 0, 0 }

static

Definition at line 57 of file linux-x86-low.c.

Referenced by i386_install_fast_tracepoint_jump_pad().

◆ tdesc_i386_linux_no_xml

struct target_desc* tdesc_i386_linux_no_xml

static

Definition at line 53 of file linux-x86-low.c.

Referenced by initialize_low_arch(), x86_get_ipa_tdesc_idx(), and x86_linux_read_description().

◆ the_low_target

struct linux_target_ops the_low_target

Definition at line 2843 of file linux-x86-low.c.

Referenced by x86_linux_update_xmltarget().

◆ use_xml

int use_xml

static

Definition at line 699 of file linux-x86-low.c.

Referenced by x86_linux_process_qsupported(), and x86_linux_read_description().

◆ x86_breakpoint

const gdb_byte x86_breakpoint[] = { 0xCC }

static

Definition at line 496 of file linux-x86-low.c.

Referenced by x86_sw_breakpoint_from_kind().

◆ x86_dr_low

struct x86_dr_low_type x86_dr_low

Initial value:

=
  {
    x86_linux_dr_set_control,
    x86_linux_dr_set_addr,
    x86_linux_dr_get_addr,
    x86_linux_dr_get_status,
    x86_linux_dr_get_control,
    sizeof (void *),
  }

Definition at line 512 of file linux-x86-low.c.

◆ x86_regsets

struct regset_info x86_regsets[]

static

Initial value:

=
{
 
  NULL_REGSET
}

Definition at line 434 of file linux-x86-low.c.

Referenced by x86_linux_read_description().

◆ x86_regsets_info

struct regsets_info x86_regsets_info

static

Initial value:

=
  {
    x86_regsets, 
    0, 
    NULL, 
  }

Definition at line 920 of file linux-x86-low.c.

Referenced by initialize_low_arch().

◆ xmltarget_i386_linux_no_xml

const char* xmltarget_i386_linux_no_xml

static

Initial value:

= "@<target>\
<architecture>i386</architecture>\
<osabi>GNU/Linux</osabi>\
</target>"

Definition at line 61 of file linux-x86-low.c.

Referenced by initialize_low_arch().

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ ARCH_GET_FS

◆ ARCH_GET_GS

◆ ARCH_SET_FS

◆ ARCH_SET_GS

◆ EMIT_ASM

◆ EMIT_ASM32

◆ I386_LINUX_XSAVE_XCR0_OFFSET

◆ I386_NUM_REGS

◆ PTRACE_ARCH_PRCTL

◆ PTRACE_GET_THREAD_AREA

◆ REGSIZE

◆ x86_breakpoint_len

Function Documentation

◆ add_insns()

◆ append_insns()

◆ i386_emit_add()

◆ i386_emit_bit_and()

◆ i386_emit_bit_not()

◆ i386_emit_bit_or()

◆ i386_emit_bit_xor()

◆ i386_emit_call()

◆ i386_emit_const()

◆ i386_emit_epilogue()

◆ i386_emit_eq_goto()

◆ i386_emit_equal()

◆ i386_emit_ext()

◆ i386_emit_ge_goto()

◆ i386_emit_goto()

◆ i386_emit_gt_goto()

◆ i386_emit_if_goto()

◆ i386_emit_int_call_1()

◆ i386_emit_le_goto()

◆ i386_emit_less_signed()

◆ i386_emit_less_unsigned()

◆ i386_emit_log_not()

◆ i386_emit_lsh()

◆ i386_emit_lt_goto()

◆ i386_emit_mul()

◆ i386_emit_ne_goto()

◆ i386_emit_pop()

◆ i386_emit_prologue()

◆ i386_emit_ref()

◆ i386_emit_reg()

◆ i386_emit_rsh_signed()

◆ i386_emit_rsh_unsigned()

◆ i386_emit_stack_adjust()

◆ i386_emit_stack_flush()

◆ i386_emit_sub()

◆ i386_emit_swap()

◆ i386_emit_void_call_2()

◆ i386_emit_zero_ext()

◆ i386_install_fast_tracepoint_jump_pad()

◆ i386_write_goto_address()

◆ initialize_low_arch()

◆ ps_get_thread_area()

◆ push_opcode()

◆ x86_arch_setup()

◆ x86_breakpoint_at()

◆ x86_cannot_fetch_register()

◆ x86_cannot_store_register()

◆ x86_debug_reg_state()

◆ x86_emit_ops()

◆ x86_fill_fpregset()

◆ x86_fill_fpxregset()

◆ x86_fill_gregset()

◆ x86_fill_xstateregset()

◆ x86_get_ipa_tdesc_idx()

◆ x86_get_min_fast_tracepoint_insn_len()

◆ x86_get_pc()

◆ x86_get_syscall_trapinfo()

◆ x86_get_thread_area()

◆ x86_insert_point()

◆ x86_install_fast_tracepoint_jump_pad()

◆ x86_linux_delete_process()

◆ x86_linux_new_fork()