cris/kgdb: Properly split long lines in asm (7fc6a8ba) · Commits · 戴 / test

arch/cris/arch-v10/kernel/kgdb.c

+175 −175

Original line number	Diff line number	Diff line
		@@ -1270,93 +1270,93 @@ kill_restart ()

		void kgdb_handle_breakpoint(void);

		asm ("
		.global kgdb_handle_breakpoint
		kgdb_handle_breakpoint:
		;;
		;; Response to the break-instruction
		;;
		;; Create a register image of the caller
		;;
		move $dccr,[reg+0x5E] ; Save the flags in DCCR before disable interrupts
		di ; Disable interrupts
		move.d $r0,[reg] ; Save R0
		move.d $r1,[reg+0x04] ; Save R1
		move.d $r2,[reg+0x08] ; Save R2
		move.d $r3,[reg+0x0C] ; Save R3
		move.d $r4,[reg+0x10] ; Save R4
		move.d $r5,[reg+0x14] ; Save R5
		move.d $r6,[reg+0x18] ; Save R6
		move.d $r7,[reg+0x1C] ; Save R7
		move.d $r8,[reg+0x20] ; Save R8
		move.d $r9,[reg+0x24] ; Save R9
		move.d $r10,[reg+0x28] ; Save R10
		move.d $r11,[reg+0x2C] ; Save R11
		move.d $r12,[reg+0x30] ; Save R12
		move.d $r13,[reg+0x34] ; Save R13
		move.d $sp,[reg+0x38] ; Save SP (R14)
		;; Due to the old assembler-versions BRP might not be recognized
		.word 0xE670 ; move brp,$r0
		subq 2,$r0 ; Set to address of previous instruction.
		move.d $r0,[reg+0x3c] ; Save the address in PC (R15)
		clear.b [reg+0x40] ; Clear P0
		move $vr,[reg+0x41] ; Save special register P1
		clear.w [reg+0x42] ; Clear P4
		move $ccr,[reg+0x44] ; Save special register CCR
		move $mof,[reg+0x46] ; P7
		clear.d [reg+0x4A] ; Clear P8
		move $ibr,[reg+0x4E] ; P9,
		move $irp,[reg+0x52] ; P10,
		move $srp,[reg+0x56] ; P11,
		move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR
		; P13, register DCCR already saved
		;; Due to the old assembler-versions BRP might not be recognized
		.word 0xE670 ; move brp,r0
		;; Static (compiled) breakpoints must return to the next instruction in order
		;; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction
		;; in order to execute it when execution is continued.
		test.b [is_dyn_brkp] ; Is this a dynamic breakpoint?
		beq is_static ; No, a static breakpoint
		nop
		subq 2,$r0 ; rerun the instruction the break replaced
		is_static:
		moveq 1,$r1
		move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint
		move.d $r0,[reg+0x62] ; Save the return address in BRP
		move $usp,[reg+0x66] ; USP
		;;
		;; Handle the communication
		;;
		move.d internal_stack+1020,$sp ; Use the internal stack which grows upward
		moveq 5,$r10 ; SIGTRAP
		jsr handle_exception ; Interactive routine
		;;
		;; Return to the caller
		;;
		move.d [reg],$r0 ; Restore R0
		move.d [reg+0x04],$r1 ; Restore R1
		move.d [reg+0x08],$r2 ; Restore R2
		move.d [reg+0x0C],$r3 ; Restore R3
		move.d [reg+0x10],$r4 ; Restore R4
		move.d [reg+0x14],$r5 ; Restore R5
		move.d [reg+0x18],$r6 ; Restore R6
		move.d [reg+0x1C],$r7 ; Restore R7
		move.d [reg+0x20],$r8 ; Restore R8
		move.d [reg+0x24],$r9 ; Restore R9
		move.d [reg+0x28],$r10 ; Restore R10
		move.d [reg+0x2C],$r11 ; Restore R11
		move.d [reg+0x30],$r12 ; Restore R12
		move.d [reg+0x34],$r13 ; Restore R13
		;;
		;; FIXME: Which registers should be restored?
		;;
		move.d [reg+0x38],$sp ; Restore SP (R14)
		move [reg+0x56],$srp ; Restore the subroutine return pointer.
		move [reg+0x5E],$dccr ; Restore DCCR
		move [reg+0x66],$usp ; Restore USP
		jump [reg+0x62] ; A jump to the content in register BRP works.
		nop ;
		");
		asm ("\n"
		" .global kgdb_handle_breakpoint\n"
		"kgdb_handle_breakpoint:\n"
		";;\n"
		";; Response to the break-instruction\n"
		";;\n"
		";; Create a register image of the caller\n"
		";;\n"
		" move $dccr,[reg+0x5E] ; Save the flags in DCCR before disable interrupts\n"
		" di ; Disable interrupts\n"
		" move.d $r0,[reg] ; Save R0\n"
		" move.d $r1,[reg+0x04] ; Save R1\n"
		" move.d $r2,[reg+0x08] ; Save R2\n"
		" move.d $r3,[reg+0x0C] ; Save R3\n"
		" move.d $r4,[reg+0x10] ; Save R4\n"
		" move.d $r5,[reg+0x14] ; Save R5\n"
		" move.d $r6,[reg+0x18] ; Save R6\n"
		" move.d $r7,[reg+0x1C] ; Save R7\n"
		" move.d $r8,[reg+0x20] ; Save R8\n"
		" move.d $r9,[reg+0x24] ; Save R9\n"
		" move.d $r10,[reg+0x28] ; Save R10\n"
		" move.d $r11,[reg+0x2C] ; Save R11\n"
		" move.d $r12,[reg+0x30] ; Save R12\n"
		" move.d $r13,[reg+0x34] ; Save R13\n"
		" move.d $sp,[reg+0x38] ; Save SP (R14)\n"
		";; Due to the old assembler-versions BRP might not be recognized\n"
		" .word 0xE670 ; move brp,$r0\n"
		" subq 2,$r0 ; Set to address of previous instruction.\n"
		" move.d $r0,[reg+0x3c] ; Save the address in PC (R15)\n"
		" clear.b [reg+0x40] ; Clear P0\n"
		" move $vr,[reg+0x41] ; Save special register P1\n"
		" clear.w [reg+0x42] ; Clear P4\n"
		" move $ccr,[reg+0x44] ; Save special register CCR\n"
		" move $mof,[reg+0x46] ; P7\n"
		" clear.d [reg+0x4A] ; Clear P8\n"
		" move $ibr,[reg+0x4E] ; P9,\n"
		" move $irp,[reg+0x52] ; P10,\n"
		" move $srp,[reg+0x56] ; P11,\n"
		" move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR\n"
		" ; P13, register DCCR already saved\n"
		";; Due to the old assembler-versions BRP might not be recognized\n"
		" .word 0xE670 ; move brp,r0\n"
		";; Static (compiled) breakpoints must return to the next instruction in order\n"
		";; to avoid infinite loops. Dynamic (gdb-invoked) must restore the instruction\n"
		";; in order to execute it when execution is continued.\n"
		" test.b [is_dyn_brkp] ; Is this a dynamic breakpoint?\n"
		" beq is_static ; No, a static breakpoint\n"
		" nop\n"
		" subq 2,$r0 ; rerun the instruction the break replaced\n"
		"is_static:\n"
		" moveq 1,$r1\n"
		" move.b $r1,[is_dyn_brkp] ; Set the state variable to dynamic breakpoint\n"
		" move.d $r0,[reg+0x62] ; Save the return address in BRP\n"
		" move $usp,[reg+0x66] ; USP\n"
		";;\n"
		";; Handle the communication\n"
		";;\n"
		" move.d internal_stack+1020,$sp ; Use the internal stack which grows upward\n"
		" moveq 5,$r10 ; SIGTRAP\n"
		" jsr handle_exception ; Interactive routine\n"
		";;\n"
		";; Return to the caller\n"
		";;\n"
		" move.d [reg],$r0 ; Restore R0\n"
		" move.d [reg+0x04],$r1 ; Restore R1\n"
		" move.d [reg+0x08],$r2 ; Restore R2\n"
		" move.d [reg+0x0C],$r3 ; Restore R3\n"
		" move.d [reg+0x10],$r4 ; Restore R4\n"
		" move.d [reg+0x14],$r5 ; Restore R5\n"
		" move.d [reg+0x18],$r6 ; Restore R6\n"
		" move.d [reg+0x1C],$r7 ; Restore R7\n"
		" move.d [reg+0x20],$r8 ; Restore R8\n"
		" move.d [reg+0x24],$r9 ; Restore R9\n"
		" move.d [reg+0x28],$r10 ; Restore R10\n"
		" move.d [reg+0x2C],$r11 ; Restore R11\n"
		" move.d [reg+0x30],$r12 ; Restore R12\n"
		" move.d [reg+0x34],$r13 ; Restore R13\n"
		";;\n"
		";; FIXME: Which registers should be restored?\n"
		";;\n"
		" move.d [reg+0x38],$sp ; Restore SP (R14)\n"
		" move [reg+0x56],$srp ; Restore the subroutine return pointer.\n"
		" move [reg+0x5E],$dccr ; Restore DCCR\n"
		" move [reg+0x66],$usp ; Restore USP\n"
		" jump [reg+0x62] ; A jump to the content in register BRP works.\n"
		" nop ;\n"
		"\n");

		/* The hook for an interrupt generated by GDB. An internal stack is used
		by the stub. The register image of the caller is stored in the structure
		@@ -1367,94 +1367,94 @@ is_static:

		void kgdb_handle_serial(void);

		asm ("
		.global kgdb_handle_serial
		kgdb_handle_serial:
		;;
		;; Response to a serial interrupt
		;;

		move $dccr,[reg+0x5E] ; Save the flags in DCCR
		di ; Disable interrupts
		move.d $r0,[reg] ; Save R0
		move.d $r1,[reg+0x04] ; Save R1
		move.d $r2,[reg+0x08] ; Save R2
		move.d $r3,[reg+0x0C] ; Save R3
		move.d $r4,[reg+0x10] ; Save R4
		move.d $r5,[reg+0x14] ; Save R5
		move.d $r6,[reg+0x18] ; Save R6
		move.d $r7,[reg+0x1C] ; Save R7
		move.d $r8,[reg+0x20] ; Save R8
		move.d $r9,[reg+0x24] ; Save R9
		move.d $r10,[reg+0x28] ; Save R10
		move.d $r11,[reg+0x2C] ; Save R11
		move.d $r12,[reg+0x30] ; Save R12
		move.d $r13,[reg+0x34] ; Save R13
		move.d $sp,[reg+0x38] ; Save SP (R14)
		move $irp,[reg+0x3c] ; Save the address in PC (R15)
		clear.b [reg+0x40] ; Clear P0
		move $vr,[reg+0x41] ; Save special register P1,
		clear.w [reg+0x42] ; Clear P4
		move $ccr,[reg+0x44] ; Save special register CCR
		move $mof,[reg+0x46] ; P7
		clear.d [reg+0x4A] ; Clear P8
		move $ibr,[reg+0x4E] ; P9,
		move $irp,[reg+0x52] ; P10,
		move $srp,[reg+0x56] ; P11,
		move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR
		; P13, register DCCR already saved
		;; Due to the old assembler-versions BRP might not be recognized
		.word 0xE670 ; move brp,r0
		move.d $r0,[reg+0x62] ; Save the return address in BRP
		move $usp,[reg+0x66] ; USP

		;; get the serial character (from debugport.c) and check if it is a ctrl-c

		jsr getDebugChar
		cmp.b 3, $r10
		bne goback
		nop

		move.d [reg+0x5E], $r10 ; Get DCCR
		btstq 8, $r10 ; Test the U-flag.
		bmi goback
		nop

		;;
		;; Handle the communication
		;;
		move.d internal_stack+1020,$sp ; Use the internal stack
		moveq 2,$r10 ; SIGINT
		jsr handle_exception ; Interactive routine

		goback:
		;;
		;; Return to the caller
		;;
		move.d [reg],$r0 ; Restore R0
		move.d [reg+0x04],$r1 ; Restore R1
		move.d [reg+0x08],$r2 ; Restore R2
		move.d [reg+0x0C],$r3 ; Restore R3
		move.d [reg+0x10],$r4 ; Restore R4
		move.d [reg+0x14],$r5 ; Restore R5
		move.d [reg+0x18],$r6 ; Restore R6
		move.d [reg+0x1C],$r7 ; Restore R7
		move.d [reg+0x20],$r8 ; Restore R8
		move.d [reg+0x24],$r9 ; Restore R9
		move.d [reg+0x28],$r10 ; Restore R10
		move.d [reg+0x2C],$r11 ; Restore R11
		move.d [reg+0x30],$r12 ; Restore R12
		move.d [reg+0x34],$r13 ; Restore R13
		;;
		;; FIXME: Which registers should be restored?
		;;
		move.d [reg+0x38],$sp ; Restore SP (R14)
		move [reg+0x56],$srp ; Restore the subroutine return pointer.
		move [reg+0x5E],$dccr ; Restore DCCR
		move [reg+0x66],$usp ; Restore USP
		reti ; Return from the interrupt routine
		nop
		");
		asm ("\n"
		" .global kgdb_handle_serial\n"
		"kgdb_handle_serial:\n"
		";;\n"
		";; Response to a serial interrupt\n"
		";;\n"
		"\n"
		" move $dccr,[reg+0x5E] ; Save the flags in DCCR\n"
		" di ; Disable interrupts\n"
		" move.d $r0,[reg] ; Save R0\n"
		" move.d $r1,[reg+0x04] ; Save R1\n"
		" move.d $r2,[reg+0x08] ; Save R2\n"
		" move.d $r3,[reg+0x0C] ; Save R3\n"
		" move.d $r4,[reg+0x10] ; Save R4\n"
		" move.d $r5,[reg+0x14] ; Save R5\n"
		" move.d $r6,[reg+0x18] ; Save R6\n"
		" move.d $r7,[reg+0x1C] ; Save R7\n"
		" move.d $r8,[reg+0x20] ; Save R8\n"
		" move.d $r9,[reg+0x24] ; Save R9\n"
		" move.d $r10,[reg+0x28] ; Save R10\n"
		" move.d $r11,[reg+0x2C] ; Save R11\n"
		" move.d $r12,[reg+0x30] ; Save R12\n"
		" move.d $r13,[reg+0x34] ; Save R13\n"
		" move.d $sp,[reg+0x38] ; Save SP (R14)\n"
		" move $irp,[reg+0x3c] ; Save the address in PC (R15)\n"
		" clear.b [reg+0x40] ; Clear P0\n"
		" move $vr,[reg+0x41] ; Save special register P1,\n"
		" clear.w [reg+0x42] ; Clear P4\n"
		" move $ccr,[reg+0x44] ; Save special register CCR\n"
		" move $mof,[reg+0x46] ; P7\n"
		" clear.d [reg+0x4A] ; Clear P8\n"
		" move $ibr,[reg+0x4E] ; P9,\n"
		" move $irp,[reg+0x52] ; P10,\n"
		" move $srp,[reg+0x56] ; P11,\n"
		" move $dtp0,[reg+0x5A] ; P12, register BAR, assembler might not know BAR\n"
		" ; P13, register DCCR already saved\n"
		";; Due to the old assembler-versions BRP might not be recognized\n"
		" .word 0xE670 ; move brp,r0\n"
		" move.d $r0,[reg+0x62] ; Save the return address in BRP\n"
		" move $usp,[reg+0x66] ; USP\n"
		"\n"
		";; get the serial character (from debugport.c) and check if it is a ctrl-c\n"
		"\n"
		" jsr getDebugChar\n"
		" cmp.b 3, $r10\n"
		" bne goback\n"
		" nop\n"
		"\n"
		" move.d [reg+0x5E], $r10 ; Get DCCR\n"
		" btstq 8, $r10 ; Test the U-flag.\n"
		" bmi goback\n"
		" nop\n"
		"\n"
		";;\n"
		";; Handle the communication\n"
		";;\n"
		" move.d internal_stack+1020,$sp ; Use the internal stack\n"
		" moveq 2,$r10 ; SIGINT\n"
		" jsr handle_exception ; Interactive routine\n"
		"\n"
		"goback:\n"
		";;\n"
		";; Return to the caller\n"
		";;\n"
		" move.d [reg],$r0 ; Restore R0\n"
		" move.d [reg+0x04],$r1 ; Restore R1\n"
		" move.d [reg+0x08],$r2 ; Restore R2\n"
		" move.d [reg+0x0C],$r3 ; Restore R3\n"
		" move.d [reg+0x10],$r4 ; Restore R4\n"
		" move.d [reg+0x14],$r5 ; Restore R5\n"
		" move.d [reg+0x18],$r6 ; Restore R6\n"
		" move.d [reg+0x1C],$r7 ; Restore R7\n"
		" move.d [reg+0x20],$r8 ; Restore R8\n"
		" move.d [reg+0x24],$r9 ; Restore R9\n"
		" move.d [reg+0x28],$r10 ; Restore R10\n"
		" move.d [reg+0x2C],$r11 ; Restore R11\n"
		" move.d [reg+0x30],$r12 ; Restore R12\n"
		" move.d [reg+0x34],$r13 ; Restore R13\n"
		";;\n"
		";; FIXME: Which registers should be restored?\n"
		";;\n"
		" move.d [reg+0x38],$sp ; Restore SP (R14)\n"
		" move [reg+0x56],$srp ; Restore the subroutine return pointer.\n"
		" move [reg+0x5E],$dccr ; Restore DCCR\n"
		" move [reg+0x66],$usp ; Restore USP\n"
		" reti ; Return from the interrupt routine\n"
		" nop\n"
		"\n");

		/* Use this static breakpoint in the start-up only. */

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