URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [z8k/] [setjmp.S] - Blame information for rev 455

Go to most recent revision | Details | Compare with Previous | View Log


        .global _setjmp
        .global _longjmp
 
#ifdef __Z8001__
        segm
 
#ifdef __STD_CALL__
 
_setjmp:
        ldl     rr6,rr14(#4)    ! get argument
        ldl     rr2,@rr14       ! fetch pc
        ldl     @rr6,rr2        ! save it
        ldl     rr6(#16),rr8
        ldl     rr6(#4),rr10
        ldl     rr6(#8),rr12    ! remember frame pointer
        ldl     rr6(#12),rr14   ! remember stack pointer
        ldk     r7,#0
        ret     t
 
_longjmp:
        ldl     rr4,rr14(#4)    ! get first argument
        ld      r7,rr14(#8)     ! get return value
        ldl     rr8,rr4(#16)
        ldl     rr10,rr4(#4)
        ldl     rr12,rr4(#8)    ! restore old frame pointer
        ldl     rr14,rr4(#12)   ! restore old stack pointer
        ldl     rr4,@rr4        ! return address
        inc     r15,#4
        jp      @rr4
 
#else /* above __STD_CALL_, below not */
 
_setjmp:
        ldl     rr2,@rr14       ! fetch pc
        ldl     @rr6,rr2        ! save it
        ldl     rr6(16),rr8
        ldl     rr6(4),rr10
        ldl     rr6(8),rr12     ! and the other special regs
        ldl     rr6(12),rr14
        ldk     r2,#0
        ret     t
 
_longjmp:
        ld      r2,r5           ! get return value
        ldl     rr4,rr6(0)
        ldl     rr8,rr6(16)
        ldl     rr10,rr6(4)
        ldl     rr12,rr6(8)
        ldl     rr14,rr6(12)
        inc     r15,#4
        jp      @rr4
 
#endif  /* not __STD_CALL__ */
#else /* above Z8001, below Z8002 */
        unseg
 
#ifdef __STD_CALL__
 
_setjmp:
        ld      r7,r15(#2)      ! get argument
        ld      r2,@r15         ! fetch pc
        ld      @r7,r2          ! save it
        ldl     r7(#14),rr8
        ldl     r7(#2),rr10
        ldl     r7(#6),rr12     ! remember frame pointer
        ldl     r7(#10),rr14    ! remember stack pointer
        ldk     r7,#0
        ret     t
 
_longjmp:
        ld      r4,r15(#2)      ! get first argument (jmp_buf)
        ld      r7,r15(#4)      ! get return value
        ldl     rr8,r4(#14)
        ldl     rr10,r4(#2)
        ldl     rr12,r4(#6)     ! restore old frame pointer
        ldl     rr14,r4(#10)    ! restore old stack pointer
        ld      r4,@r4          ! return address
        inc     r15,#2
        jp      @r4
 
#else /* above __STD_CALL_, below not */
 
_setjmp:
        ld      r2,@r15 ! fetch pc
        ld      @r7,r2  ! save it
        ldl     r7(4),rr10
        ldl     r7(8),rr12      ! and the other special regs
        ldl     r7(12),rr14
        ldk     r2,#0
        ret     t
 
_longjmp:
        ld      r2,r6           ! get return value
        ld      r4,@r7
        ldl     rr10,r7(4)
        ldl     rr12,r7(8)
        ldl     rr14,r7(12)
        inc     r15,#2
        jp      @r4
 
#endif  /* not __STD_CALL__ */
#endif  /* Z8002 version */

Line No.	Rev	Author	Line
1	148	jeremybenn	`.global _setjmp`
2			`.global _longjmp`
3
4			`#ifdef __Z8001__`
5			`segm`
6
7			`#ifdef __STD_CALL__`
8
9			`_setjmp:`
10			`ldl rr6,rr14(#4) ! get argument`
11			`ldl rr2,@rr14 ! fetch pc`
12			`ldl @rr6,rr2 ! save it`
13			`ldl rr6(#16),rr8`
14			`ldl rr6(#4),rr10`
15			`ldl rr6(#8),rr12 ! remember frame pointer`
16			`ldl rr6(#12),rr14 ! remember stack pointer`
17			`ldk r7,#0`
18			`ret t`
19
20			`_longjmp:`
21			`ldl rr4,rr14(#4) ! get first argument`
22			`ld r7,rr14(#8) ! get return value`
23			`ldl rr8,rr4(#16)`
24			`ldl rr10,rr4(#4)`
25			`ldl rr12,rr4(#8) ! restore old frame pointer`
26			`ldl rr14,rr4(#12) ! restore old stack pointer`
27			`ldl rr4,@rr4 ! return address`
28			`inc r15,#4`
29			`jp @rr4`
30
31			`#else /* above __STD_CALL_, below not */`
32
33			`_setjmp:`
34			`ldl rr2,@rr14 ! fetch pc`
35			`ldl @rr6,rr2 ! save it`
36			`ldl rr6(16),rr8`
37			`ldl rr6(4),rr10`
38			`ldl rr6(8),rr12 ! and the other special regs`
39			`ldl rr6(12),rr14`
40			`ldk r2,#0`
41			`ret t`
42
43			`_longjmp:`
44			`ld r2,r5 ! get return value`
45			`ldl rr4,rr6(0)`
46			`ldl rr8,rr6(16)`
47			`ldl rr10,rr6(4)`
48			`ldl rr12,rr6(8)`
49			`ldl rr14,rr6(12)`
50			`inc r15,#4`
51			`jp @rr4`
52
53			`#endif /* not __STD_CALL__ */`
54			`#else /* above Z8001, below Z8002 */`
55			`unseg`
56
57			`#ifdef __STD_CALL__`
58
59			`_setjmp:`
60			`ld r7,r15(#2) ! get argument`
61			`ld r2,@r15 ! fetch pc`
62			`ld @r7,r2 ! save it`
63			`ldl r7(#14),rr8`
64			`ldl r7(#2),rr10`
65			`ldl r7(#6),rr12 ! remember frame pointer`
66			`ldl r7(#10),rr14 ! remember stack pointer`
67			`ldk r7,#0`
68			`ret t`
69
70			`_longjmp:`
71			`ld r4,r15(#2) ! get first argument (jmp_buf)`
72			`ld r7,r15(#4) ! get return value`
73			`ldl rr8,r4(#14)`
74			`ldl rr10,r4(#2)`
75			`ldl rr12,r4(#6) ! restore old frame pointer`
76			`ldl rr14,r4(#10) ! restore old stack pointer`
77			`ld r4,@r4 ! return address`
78			`inc r15,#2`
79			`jp @r4`
80
81			`#else /* above __STD_CALL_, below not */`
82
83			`_setjmp:`
84			`ld r2,@r15 ! fetch pc`
85			`ld @r7,r2 ! save it`
86			`ldl r7(4),rr10`
87			`ldl r7(8),rr12 ! and the other special regs`
88			`ldl r7(12),rr14`
89			`ldk r2,#0`
90			`ret t`
91
92			`_longjmp:`
93			`ld r2,r6 ! get return value`
94			`ld r4,@r7`
95			`ldl rr10,r7(4)`
96			`ldl rr12,r7(8)`
97			`ldl rr14,r7(12)`
98			`inc r15,#2`
99			`jp @r4`
100
101			`#endif /* not __STD_CALL__ */`
102			`#endif /* Z8002 version */`

Browse

Tools

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [z8k/] [setjmp.S] - Blame information for rev 455