WebSVN – planix.SVN – Blame – /os/branches/feature_tlsv12/sys/src/ape/lib/ap/power/setjmp.s

Rev	Author	Line No.	Line
2	-	1	`TEXT setjmp(SB), 1, $-4`
		2	`MOVW LR, R4`
		3	`MOVW R1, (R3)`
		4	`MOVW R4, 4(R3)`
		5	`MOVW $0, R3`
		6	`RETURN`
		7
		8	`TEXT sigsetjmp(SB), 1, $-4`
		9	`MOVW savemask+4(FP), R4`
		10	`MOVW R4, 0(R3)`
		11	`MOVW $_psigblocked(SB), R4`
		12	`MOVW R4, 4(R3)`
		13	`MOVW LR, R4`
		14	`MOVW R1, 8(R3)`
		15	`MOVW R4, 12(R3)`
		16	`MOVW $0, R3`
		17	`RETURN`
		18
		19	`TEXT longjmp(SB), 1, $-4`
		20	`MOVW R3, R4`
		21	`MOVW r+4(FP), R3`
		22	`CMP R3, $0`
		23	`BNE ok /* ansi: "longjmp(0) => longjmp(1)" */`
		24	`MOVW $1, R3 /* bless their pointed heads */`
		25	`ok: MOVW (R4), R1`
		26	`MOVW 4(R4), R4`
		27	`MOVW R4, LR`
		28	`BR (LR)`
		29
		30	`/*`
		31	`* trampoline functions because the kernel smashes r1`
		32	`* in the uregs given to notejmp`
		33	`*/`
		34	`TEXT __noterestore(SB), 1, $-4`
		35	`MOVW R4, R3`
		36	`MOVW R5, LR`
		37	`BR (LR)`

Subversion Repositories planix.SVN