#include "handlers.h"
#include <stdint.h>
#include <signal.h>
#include <stddef.h>
#include <stdbool.h>
#include <errno.h>

Macros
#define	__fn_aligned __attribute__((aligned(16)))

#define	__fn_save_all __attribute__((no_caller_saved_registers))

#define	__section(S) __attribute__((section (S)))

#define	__default_fn_attr __fn_save_all __fn_aligned

#define	__fn_naked __attribute__((naked))

#define	BIT(x) (1ULL << (x))

#define	UNUSED_PARAMETER(P) ((void)(P))

#define	PAGE_SIZE 0x1000

#define	get_jump_back_offset(fn_name)

#define	get_detour_enable_offset(fn_name)

#define	GNUASM_DEFINE_STR(SYMBOL, STR) asm volatile ("#define " SYMBOL " " #STR);

#define	GNUASM_DEFINE_VAL(SYMBOL, VALUE) asm volatile ("#define " SYMBOL " %0" :: "n"(VALUE))

#define	def_detour_asm_vars(fn_name) GNUASM_DEFINE_VAL(#fn_name "_jmp", get_jump_back_offset(fn_name))

#define	def_detour_hijack_asm_vars(fn_name, hijack_fn_name) GNUASM_DEFINE_VAL(#fn_name "_" # hijack_fn_name "_jmp", get_jump_back_offset(fn_name ## _ ## hijack_fn_name))

#define	def_detour_vars(fn_name) extern void fn_name ## _trampoline; extern void fn_name ## _reloc

#define	def_detour_hijack_vars(fn_name, fn_hijack_name) extern void fn_name ## _ ## fn_hijack_name ## _trampoline; extern void fn_name ## _ ## fn_hijack_name ## _reloc

#define	init_detour_field(fn_name)

#define	init_detour_hijack_field(fn_name, hijack_fn_name)

#define	__vmcall_param_1(param) register size_t __p1 asm("r8") = (size_t)(param); asm volatile("" :: "r" (__p1));

#define	__vmcall_param_2(param) register size_t __p2 asm("r9") = (size_t)(param); asm volatile("" :: "r" (__p2));

#define	__vmcall_param_3(param) register size_t __p3 asm("r10") = (size_t)(param); asm volatile("" :: "r" (__p3));

#define	__vmcall_param_4(param) register size_t __p4 asm("r11") = (size_t)(param); asm volatile("" :: "r" (__p4));

#define	__vmcall_param_5(param) register size_t __p5 asm("r12") = (size_t)(param); asm volatile("" :: "r" (__p5));

#define	__vmcall_param_6(param) register size_t __p6 asm("r13") = (size_t)(param); asm volatile("" :: "r" (__p6));

#define	__vmcall_param_7(param) register size_t __p7 asm("r14") = (size_t)(param); asm volatile("" :: "r" (__p7));

#define	__vmcall_param_8(param) register size_t __p8 asm("r15") = (size_t)(param); asm volatile("" :: "r" (__p8));

#define	vmcall_1(id, p1)

#define	vmcall_2(id, p1, p2)

#define	vmcall_3(id, p1, p2, p3)

#define	vmcall_4(id, p1, p2, p3, p4)

#define	vmcall_5(id, p1, p2, p3, p4, p5)

#define	vmcall_6(id, p1, p2, p3, p4, p5, p6)

#define	__read_reg(reg)

Macro Definition Documentation

◆ __default_fn_attr

#define __default_fn_attr __fn_save_all __fn_aligned

Definition at line 21 of file common.h.

◆ __fn_aligned

#define __fn_aligned __attribute__((aligned(16)))

Definition at line 16 of file common.h.

◆ __fn_naked

#define __fn_naked __attribute__((naked))

Definition at line 22 of file common.h.

◆ __fn_save_all

#define __fn_save_all __attribute__((no_caller_saved_registers))

Definition at line 17 of file common.h.

◆ __read_reg

#define __read_reg ( reg )

Value:

({                               \
    unsigned long long val;                              \
    asm volatile("mov %0, " reg "\n\t" : "=r" (val));    \
    (unsigned long long)(val);                           \
})

Definition at line 153 of file common.h.

Referenced by store_regs().

◆ __section

#define __section ( S ) __attribute__((section (S)))

Definition at line 19 of file common.h.

◆ __vmcall_param_1

#define __vmcall_param_1 ( param ) register size_t __p1 asm("r8") = (size_t)(param); asm volatile("" :: "r" (__p1));

Definition at line 72 of file common.h.

◆ __vmcall_param_2

#define __vmcall_param_2 ( param ) register size_t __p2 asm("r9") = (size_t)(param); asm volatile("" :: "r" (__p2));

Definition at line 75 of file common.h.

◆ __vmcall_param_3

#define __vmcall_param_3 ( param ) register size_t __p3 asm("r10") = (size_t)(param); asm volatile("" :: "r" (__p3));

Definition at line 78 of file common.h.

◆ __vmcall_param_4

#define __vmcall_param_4 ( param ) register size_t __p4 asm("r11") = (size_t)(param); asm volatile("" :: "r" (__p4));

Definition at line 81 of file common.h.

◆ __vmcall_param_5

#define __vmcall_param_5 ( param ) register size_t __p5 asm("r12") = (size_t)(param); asm volatile("" :: "r" (__p5));

Definition at line 84 of file common.h.

◆ __vmcall_param_6

#define __vmcall_param_6 ( param ) register size_t __p6 asm("r13") = (size_t)(param); asm volatile("" :: "r" (__p6));

Definition at line 87 of file common.h.

◆ __vmcall_param_7

#define __vmcall_param_7 ( param ) register size_t __p7 asm("r14") = (size_t)(param); asm volatile("" :: "r" (__p7));

Definition at line 90 of file common.h.

◆ __vmcall_param_8

#define __vmcall_param_8 ( param ) register size_t __p8 asm("r15") = (size_t)(param); asm volatile("" :: "r" (__p8));

Definition at line 93 of file common.h.

◆ BIT

#define BIT ( x ) (1ULL << (x))

Definition at line 24 of file common.h.

◆ def_detour_asm_vars

#define def_detour_asm_vars ( fn_name ) GNUASM_DEFINE_VAL(#fn_name "_jmp", get_jump_back_offset(fn_name))

Definition at line 45 of file common.h.

Referenced by __asm_defines().

◆ def_detour_hijack_asm_vars

#define def_detour_hijack_asm_vars	(	fn_name,
		hijack_fn_name
	)	GNUASM_DEFINE_VAL(#fn_name "_" # hijack_fn_name "_jmp", get_jump_back_offset(fn_name ## _ ## hijack_fn_name))

Definition at line 48 of file common.h.

Referenced by __asm_defines().

◆ def_detour_hijack_vars

#define def_detour_hijack_vars	(	fn_name,
		fn_hijack_name
	)	extern void fn_name ## _ ## fn_hijack_name ## _trampoline; extern void fn_name ## _ ## fn_hijack_name ## _reloc

Definition at line 54 of file common.h.

◆ def_detour_vars

#define def_detour_vars ( fn_name ) extern void *fn_name ## _trampoline; extern void *fn_name ## _reloc

Definition at line 51 of file common.h.

◆ get_detour_enable_offset

#define get_detour_enable_offset ( fn_name )

Value:

(__builtin_offsetof(LIX_HYPERCALL_PAGE, Detours)        \
    + (det_ ## fn_name) * sizeof(LIX_GUEST_DETOUR)          \
    + __builtin_offsetof(LIX_GUEST_DETOUR, EnableOptions))  \

Definition at line 34 of file common.h.

◆ get_jump_back_offset

#define get_jump_back_offset ( fn_name )

Value:

(__builtin_offsetof(LIX_HYPERCALL_PAGE, Detours)        \
     + (det_ ## fn_name) * sizeof(LIX_GUEST_DETOUR)         \
     + __builtin_offsetof(LIX_GUEST_DETOUR, JumpBack))

Definition at line 29 of file common.h.

◆ GNUASM_DEFINE_STR

#define GNUASM_DEFINE_STR	(	SYMBOL,
		STR
	)	asm volatile ("#define " SYMBOL " " #STR);

Definition at line 39 of file common.h.

◆ GNUASM_DEFINE_VAL

#define GNUASM_DEFINE_VAL	(	SYMBOL,
		VALUE
	)	asm volatile ("#define " SYMBOL " %0" :: "n"(VALUE))

Definition at line 42 of file common.h.

◆ init_detour_field

#define init_detour_field ( fn_name )

Value:

[det_ ## fn_name] = {                                       \
        .Name = #fn_name,                                       \
        .HijackName[0] = '\0',                                  \
        .Address = (unsigned long)&fn_name  ## _trampoline,     \
        .RelocatedCode = (unsigned long)&fn_name  ## _reloc     \
    }

Definition at line 56 of file common.h.

◆ init_detour_hijack_field

#define init_detour_hijack_field	(	fn_name,
		hijack_fn_name
	)

Value:

[det_ ## fn_name ## _ ## hijack_fn_name] = {                                    \
        .Name = #fn_name,                                                           \
        .HijackName = #hijack_fn_name,                                              \
        .Address = (unsigned long)&fn_name ##  _ ## hijack_fn_name ## _trampoline,  \
        .RelocatedCode = (unsigned long)&fn_name ## _ ## hijack_fn_name ## _reloc   \
    }

Definition at line 64 of file common.h.

◆ PAGE_SIZE

#define PAGE_SIZE 0x1000

Definition at line 26 of file common.h.

◆ UNUSED_PARAMETER

#define UNUSED_PARAMETER ( P ) ((void)(P))

Definition at line 25 of file common.h.

◆ vmcall_1

#define vmcall_1	(	id,
		p1
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    vmcall(id);                                 \
})

Definition at line 97 of file common.h.

Referenced by module_param_sysfs_remove(), and module_param_sysfs_setup().

◆ vmcall_2

#define vmcall_2	(	id,
		p1,
		p2
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    __vmcall_param_2(p2);                       \
    vmcall(id);                                 \
})

Definition at line 104 of file common.h.

Referenced by __vma_link_rb(), arch_jump_label_transform(), arch_ptrace(), change_protection(), commit_creds(), do_exit(), do_munmap_rb_erase(), mprotect_fixup_vma_wants_writenotify(), process_vm_rw_core(), vma_adjust_rb_erase(), vma_rb_erase(), and wake_up_new_task().

◆ vmcall_3

#define vmcall_3	(	id,
		p1,
		p2,
		p3
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    __vmcall_param_2(p2);                       \
    __vmcall_param_3(p3);                       \
    vmcall(id);                                 \
})

Definition at line 112 of file common.h.

Referenced by begin_new_exec(), complete_signal(), expand_downwards(), flush_old_exec(), ftrace_write(), and text_poke().

◆ vmcall_4

#define vmcall_4	(	id,
		p1,
		p2,
		p3,
		p4
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    __vmcall_param_2(p2);                       \
    __vmcall_param_3(p3);                       \
    __vmcall_param_4(p4);                       \
    vmcall(id);                                 \
})

Definition at line 121 of file common.h.

Referenced by vma_adjust().

◆ vmcall_5

#define vmcall_5	(	id,
		p1,
		p2,
		p3,
		p4,
		p5
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    __vmcall_param_2(p2);                       \
    __vmcall_param_3(p3);                       \
    __vmcall_param_4(p4);                       \
    __vmcall_param_5(p5);                       \
    vmcall(id);                                 \
})

Definition at line 131 of file common.h.

Referenced by __access_remote_vm().

◆ vmcall_6

#define vmcall_6	(	id,
		p1,
		p2,
		p3,
		p4,
		p5,
		p6
	)

Value:

({                                              \
    __vmcall_param_1(p1);                       \
    __vmcall_param_2(p2);                       \
    __vmcall_param_3(p3);                       \
    __vmcall_param_4(p4);                       \
    __vmcall_param_5(p5);                       \
    __vmcall_param_6(p6);                       \
    vmcall(id);                                 \
})

Definition at line 142 of file common.h.

Macros

Macro Definition Documentation

◆ __default_fn_attr

◆ __fn_aligned

◆ __fn_naked

◆ __fn_save_all

◆ __read_reg

◆ __section

◆ __vmcall_param_1

◆ __vmcall_param_2

◆ __vmcall_param_3

◆ __vmcall_param_4

◆ __vmcall_param_5

◆ __vmcall_param_6

◆ __vmcall_param_7

◆ __vmcall_param_8

◆ BIT

◆ def_detour_asm_vars

◆ def_detour_hijack_asm_vars

◆ def_detour_hijack_vars

◆ def_detour_vars

◆ get_detour_enable_offset

◆ get_jump_back_offset

◆ GNUASM_DEFINE_STR

◆ GNUASM_DEFINE_VAL

◆ init_detour_field

◆ init_detour_hijack_field

◆ PAGE_SIZE

◆ UNUSED_PARAMETER

◆ vmcall_1

◆ vmcall_2

◆ vmcall_3

◆ vmcall_4

◆ vmcall_5

◆ vmcall_6