sysdep-i386.h File Reference

Go to the source code of this file.

Macros
#define	SYS_ify(syscall_name)   __NR_##syscall_name
#define	INLINE_SYSCALL(name, nr, args...)
#define	INTERNAL_SYSCALL(name, err, nr, args...)
#define	INTERNAL_SYSCALL_NCS(name, err, nr, args...)
#define	INTERNAL_SYSCALL_DECL(err)   do { } while (0)
#define	INTERNAL_SYSCALL_ERROR_P(val, err)   ((unsigned int) (val) >= 0xfffff001u)
#define	INTERNAL_SYSCALL_ERRNO(val, err)   (-(val))
#define	LOADARGS_0
#define	LOADARGS_1
#define	LOADARGS_2
#define	LOADARGS_3
#define	LOADARGS_4
#define	LOADARGS_5
#define	RESTOREARGS_0
#define	RESTOREARGS_1
#define	RESTOREARGS_2
#define	RESTOREARGS_3
#define	RESTOREARGS_4
#define	RESTOREARGS_5
#define	ASMFMT_0()
#define	ASMFMT_1(arg1)   , "b" (arg1)
#define	ASMFMT_2(arg1, arg2)   , "b" (arg1), "c" (arg2)
#define	ASMFMT_3(arg1, arg2, arg3)   , "b" (arg1), "c" (arg2), "d" (arg3)
#define	ASMFMT_4(arg1, arg2, arg3, arg4)   , "b" (arg1), "c" (arg2), "d" (arg3), "S" (arg4)
#define	ASMFMT_5(arg1, arg2, arg3, arg4, arg5)   , "b" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)
#define	EXTRAVAR_0
#define	EXTRAVAR_1
#define	EXTRAVAR_2
#define	EXTRAVAR_3
#define	EXTRAVAR_4
#define	EXTRAVAR_5
#define	PTR_MANGLE(var)
#define	PTR_DEMANGLE(var)   PTR_MANGLE (var)

Functions
	asm (".L__X'%ebx = 1\n\t"".L__X'%ecx = 2\n\t"".L__X'%edx = 2\n\t"".L__X'%eax = 3\n\t"".L__X'%esi = 3\n\t"".L__X'%edi = 3\n\t"".L__X'%ebp = 3\n\t"".L__X'%esp = 3\n\t"".macro bpushl name reg\n\t"".if 1 - \\name\n\t"".if 2 - \\name\n\t""error\n\t"".else\n\t""xchgl \\reg, %ebx\n\t"".endif\n\t"".endif\n\t"".endm\n\t"".macro bpopl name reg\n\t"".if 1 - \\name\n\t"".if 2 - \\name\n\t""error\n\t"".else\n\t""xchgl \\reg, %ebx\n\t"".endif\n\t"".endif\n\t"".endm\n\t")

Macro Definition Documentation

#define ASMFMT_0

(

)

Definition at line 503 of file sysdep-i386.h.

#define ASMFMT_1

(

arg1)

, "b" (arg1)

Definition at line 516 of file sysdep-i386.h.

#define ASMFMT_2	(		arg1,
			arg2
	)		, "b" (arg1), "c" (arg2)

Definition at line 518 of file sysdep-i386.h.

#define ASMFMT_3	(		arg1,
			arg2,
			arg3
	)		, "b" (arg1), "c" (arg2), "d" (arg3)

Definition at line 520 of file sysdep-i386.h.

#define ASMFMT_4	(		arg1,
			arg2,
			arg3,
			arg4
	)		, "b" (arg1), "c" (arg2), "d" (arg3), "S" (arg4)

Definition at line 522 of file sysdep-i386.h.

#define ASMFMT_5	(		arg1,
			arg2,
			arg3,
			arg4,
			arg5
	)		, "b" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)

Definition at line 524 of file sysdep-i386.h.

#define EXTRAVAR_0

Definition at line 528 of file sysdep-i386.h.

#define EXTRAVAR_1

Definition at line 529 of file sysdep-i386.h.

#define EXTRAVAR_2

Definition at line 530 of file sysdep-i386.h.

#define EXTRAVAR_3

Definition at line 531 of file sysdep-i386.h.

#define EXTRAVAR_4

Definition at line 532 of file sysdep-i386.h.

#define EXTRAVAR_5

Definition at line 536 of file sysdep-i386.h.

#define INLINE_SYSCALL	(		name,
			nr,
			args...
	)

Value:

({                                        \
    unsigned int resultvar = INTERNAL_SYSCALL (name, , nr, args);         \
    if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (resultvar, ), 0))         \
      {                                       \
    __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, ));           \
    resultvar = 0xffffffff;                           \
      }                                       \
    (int) resultvar; })

Definition at line 345 of file sysdep-i386.h.

#define INTERNAL_SYSCALL	(		name,
			err,
			nr,
			args...
	)

Value:

({                                        \
    register unsigned int resultvar;                          \
    EXTRAVAR_##nr                                 \
    asm volatile (                                \
    LOADARGS_##nr                                 \
    "movl %1, %%eax\n\t"                              \
    "int $0x80\n\t"                               \
    RESTOREARGS_##nr                                  \
    : "=a" (resultvar)                                \
    : "i" (__NR_##name) ASMFMT_##nr(args) : "memory", "cc");              \
    (int) resultvar; })

Definition at line 416 of file sysdep-i386.h.

#define INTERNAL_SYSCALL_DECL

(

err)

do { } while (0)

Definition at line 442 of file sysdep-i386.h.

#define INTERNAL_SYSCALL_ERRNO	(		val,
			err
	)		(-(val))

Definition at line 449 of file sysdep-i386.h.

#define INTERNAL_SYSCALL_ERROR_P	(		val,
			err
	)		((unsigned int) (val) >= 0xfffff001u)

Definition at line 445 of file sysdep-i386.h.

#define INTERNAL_SYSCALL_NCS	(		name,
			err,
			nr,
			args...
	)

Value:

({                                        \
    register unsigned int resultvar;                          \
    EXTRAVAR_##nr                                 \
    asm volatile (                                \
    LOADARGS_##nr                                 \
    "int $0x80\n\t"                               \
    RESTOREARGS_##nr                                  \
    : "=a" (resultvar)                                \
    : "0" (name) ASMFMT_##nr(args) : "memory", "cc");                 \
    (int) resultvar; })

Definition at line 428 of file sysdep-i386.h.

#define LOADARGS_0

Definition at line 451 of file sysdep-i386.h.

#define LOADARGS_1

Definition at line 471 of file sysdep-i386.h.

#define LOADARGS_2

Definition at line 472 of file sysdep-i386.h.

#define LOADARGS_3

Definition at line 473 of file sysdep-i386.h.

#define LOADARGS_4

Definition at line 474 of file sysdep-i386.h.

#define LOADARGS_5

Definition at line 475 of file sysdep-i386.h.

#define PTR_DEMANGLE

(

var)

PTR_MANGLE (var)

Definition at line 580 of file sysdep-i386.h.

#define PTR_MANGLE

(

var)

Value:

asm ("xorl %%gs:%c2, %0"              \
                     : "=r" (var)                 \
                     : "0" (var),                 \
                       "i" (offsetof (tcbhead_t,          \
                              pointer_guard)))

Definition at line 575 of file sysdep-i386.h.

#define RESTOREARGS_0

Definition at line 478 of file sysdep-i386.h.

#define RESTOREARGS_1

Definition at line 496 of file sysdep-i386.h.

#define RESTOREARGS_2

Definition at line 497 of file sysdep-i386.h.

#define RESTOREARGS_3

Definition at line 498 of file sysdep-i386.h.

#define RESTOREARGS_4

Definition at line 499 of file sysdep-i386.h.

#define RESTOREARGS_5

Definition at line 500 of file sysdep-i386.h.

#define SYS_ify

(

syscall_name)

__NR_##syscall_name

Definition at line 41 of file sysdep-i386.h.

Function Documentation

asm	(	".L__X'%	ebx = 1\n\t"".L__X'%ecx = 2\n\t"".L__X'%edx = 2\n\t"".L__X'%eax = 3\n\t"".L__X'%esi = 3\n\t"".L__X'%edi = 3\n\t"".L__X'%ebp = 3\n\t"".L__X'%esp = 3\n\t"".macro bpushl name reg\n\t"".if 1 - \\name\n\t"".if 2 - \\name\n\t""error\n\t"".else\n\t""xchgl \\reg,
		%ebx\n\t"".endif\n\t"".endif\n\t"".endm\n\t"".macro bpopl name reg\n\t"".if 1-\\name\n\t"".if 2-\\name\n\t""error\n\t"".else\n\t""xchgl\\	reg,
		%ebx\n\t"".endif\n\t"".endif\n\t"".endm\n\t"
	)