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/kernel/linux/linux-5.10/arch/x86/lib/
Dretpoline.S36 … __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; jmp *%\reg; int3), X86_FEATURE_RETPOLINE_LFENCE, \
107 * As part of the TEST above, RET is the ModRM byte, and INT3 the imm8.
112 * no branch) which is halted by the INT3.
118 * which will be contained safely by the INT3.
122 int3
132 * INT3 is for SLS protection.
135 int3
/kernel/linux/linux-5.10/arch/x86/entry/vsyscall/
Dvsyscall_emu_64.S23 int3
29 int3
35 int3
/kernel/linux/linux-5.10/tools/testing/selftests/x86/
Dsigreturn.c93 * An aligned int3 instruction used as a trampoline. Some of the tests
95 * before the int3.
98 ".type int3, @function\n\t"
100 "int3:\n\t"
102 "int3\n\t"
103 ".size int3, . - int3\n\t"
106 extern char int3[4096];
113 * - code16_sel: A 16-bit LDT code segment pointing to int3.
115 * - npcode32_sel: A 32-bit not-present LDT code segment pointing to int3.
181 if ((unsigned long)int3 > (1ULL << 32) - sizeof(int3)) in setup_ldt()
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Dmov_ss_trap.c12 * - INT $N, INT3, INTO, SYSCALL, SYSENTER: enter the kernel and then
161 printf("[RUN]\tMOV SS; INT3\n"); in main()
162 asm volatile ("mov %[ss], %%ss; int3" :: [ss] "m" (ss)); in main()
167 printf("[RUN]\tMOV SS; CS CS INT3\n"); in main()
168 asm volatile ("mov %[ss], %%ss; .byte 0x2e, 0x2e; int3" :: [ss] "m" (ss)); in main()
170 printf("[RUN]\tMOV SS; CSx14 INT3\n"); in main()
171 asm volatile ("mov %[ss], %%ss; .fill 14,1,0x2e; int3" :: [ss] "m" (ss)); in main()
Dentry_from_vm86.c86 "int3\n\t"
94 "int3\n\t"
116 "int3\n\t"
121 "int3\n\t"
202 /* UMIP -- exit with INT3 unless kernel emulation did not trap #GP */ in do_umip_tests()
321 /* INT3 -- should cause #BP */ in main()
322 do_test(&v86, vmcode_int3 - vmcode, VM86_TRAP, 3, "INT3"); in main()
/kernel/linux/linux-5.10/arch/x86/kernel/
Dalternative.c868 * Self-test for the INT3 based CALL emulation code.
870 * This exercises int3_emulate_call() to make sure INT3 pt_regs are set up
871 * properly and that there is a stack gap between the INT3 frame and the
873 * stack would corrupt the INT3 IRET frame.
929 * Stick the address of the INT3 instruction into int3_selftest_ip, in int3_selftest()
930 * then trigger the INT3, padded with NOPs to match a CALL instruction in int3_selftest()
933 asm volatile ("1: int3; nop; nop; nop; nop\n\t" in int3_selftest()
1328 * Having observed our INT3 instruction, we now must observe in poke_int3_handler()
1331 * bp_desc = desc INT3 in poke_int3_handler()
1333 * write INT3 if (desc) in poke_int3_handler()
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Drelocate_kernel_64.S110 int3
199 int3
220 int3
243 int3
302 int3
Drelocate_kernel_32.S98 int3
168 int3
202 int3
222 int3
287 int3
Dtraps.c641 if (kgdb_ll_trap(DIE_INT3, "int3", regs, 0, X86_TRAP_BP, in do_int3()
650 res = notify_die(DIE_INT3, "int3", regs, 0, X86_TRAP_BP, SIGTRAP); in do_int3()
661 do_trap(X86_TRAP_BP, SIGTRAP, "int3", regs, 0, 0, NULL); in do_int3_user()
670 * INT3. in DEFINE_IDTENTRY_RAW()
677 * and therefore can trigger INT3, hence poke_int3_handler() must in DEFINE_IDTENTRY_RAW()
679 * nmi_enter() because the INT3 could have been hit in any context in DEFINE_IDTENTRY_RAW()
693 die("int3", regs, 0); in DEFINE_IDTENTRY_RAW()
/kernel/linux/linux-5.10/arch/x86/include/asm/
Dlinkage.h25 #define RET ret; int3
37 #define ASM_RET "ret; int3\n\t"
Dtext-patching.h78 __CASE(INT3); in text_opcode_size()
135 * The int3 handler in entry_64.S adds a gap between the in int3_emulate_push()
Dstatic_call.h52 __ARCH_DEFINE_STATIC_CALL_TRAMP(name, "ret; int3; nop; nop; nop")
/kernel/linux/linux-5.10/arch/x86/kernel/kprobes/
Dopt.c328 * a padding INT3 between functions. Let's check that all the in can_optimize()
329 * rest of the bytes are also INT3. in can_optimize()
474 * Replace breakpoints (INT3) with relative jumps (JMP.d32).
479 * the 4 bytes after the INT3 are unused and can now be overwritten.
506 * Replace a relative jump (JMP.d32) with a breakpoint (INT3).
508 * After that, we can restore the 4 bytes after the INT3 to undo what
510 * unused once the INT3 lands.
Dcore.c244 * by int3. And the instruction at kp->addr is not modified by kprobes in __recover_probed_insn()
517 u8 int3 = INT3_INSN_OPCODE; in arch_arm_kprobe() local
519 text_poke(p->addr, &int3, 1); in arch_arm_kprobe()
521 perf_event_text_poke(p->addr, &p->opcode, 1, &int3, 1); in arch_arm_kprobe()
526 u8 int3 = INT3_INSN_OPCODE; in arch_disarm_kprobe() local
528 perf_event_text_poke(p->addr, &int3, 1, &p->opcode, 1); in arch_disarm_kprobe()
635 /* single step inline if the instruction is an int3 */ in setup_singlestep()
694 * processing. Since int3 and debug trap disables irqs and we clear in kprobe_int3_handler()
729 * Back up over the (now missing) int3 and run in kprobe_int3_handler()
/kernel/linux/linux-5.10/arch/mips/sgi-ip22/
Dip22-hpc.c49 /* Guiness comes with INT3 which is part of IOC */ in sgihpc_init()
50 sgint = &sgioc->int3; in sgihpc_init()
/kernel/linux/linux-5.10/tools/testing/selftests/kvm/x86_64/
Ddebug_regs.c27 * NOTE: sw_bp need to be before the cmd here, because int3 is an in guest_code()
31 asm volatile("sw_bp: int3"); in guest_code()
91 /* Test software BPs - int3 */ in main()
99 "INT3: exit %d exception %d rip 0x%llx (should be 0x%llx)", in main()
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/
Dloongson,liointc.yaml43 - const: int3
88 <0x00000000>; /* int3 */
/kernel/linux/linux-5.10/arch/x86/mm/
Dmem_encrypt_boot.S71 int3
160 int3
/kernel/linux/linux-5.10/arch/x86/um/
Dstub_32.S51 int3
Dstub_64.S51 int3
/kernel/linux/linux-5.10/arch/mips/boot/dts/loongson/
Dloongson64g-package.dtsi38 <0x00000000>; /* int3 */
Dloongson64c-package.dtsi41 <0x00000000>; /* int3 */
/kernel/linux/linux-5.10/drivers/pinctrl/
Dpinctrl-pic32.c279 FUNCTION(INT3, input0),
389 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 13),
539 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 8),
644 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 5),
671 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 6),
749 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 10),
875 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 7),
926 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 0),
1028 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 14),
1170 PIC32_PINCTRL_FUNCTION(INT3, INT3R, 11),
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/kernel/linux/linux-5.10/arch/x86/platform/efi/
Defi_thunk_64.S69 int3
/kernel/linux/linux-5.10/arch/x86/um/shared/sysdep/
Dstub_64.h82 __asm("int3"); in trap_myself()

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