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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [ld/] [testsuite/] [ld-mips-elf/] [eh-frame1.s] - Blame information for rev 816

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#----------------------------------------------------------------------------
# Macros
#----------------------------------------------------------------------------
 
        mask = (1 << alignment) - 1
 
        # Output VALUE as an unaligned pointer-sized quantity.
        .macro pbyte value
        .if alignment == 2
        .4byte          \value
        .else
        .8byte          \value
        .endif
        .endm
 
 
        # Start a new CIE, and emit everything up to the augmentation data.
        # Use LABEL to mark the start of the entry and AUG as the augmentation
        # string.
        .macro start_cie label,aug
        .section        .eh_frame,"aw",@progbits
\label:
        .word           2f-1f           # Length
1:
        .word           0                # Identifier
        .byte           1               # Version
        .string         "\aug"          # Augmentation
        .byte           1               # Code alignment
        .byte           4               # Data alignment
        .byte           31              # Return address column
        .endm
 
 
        # Create a dummy function of SIZE bytes in SECTION and emit the
        # first four entries of an FDE for it.
        .macro start_fde cie,section,size
        .section        \section,"ax",@progbits
3:
        .rept           \size / 4
        nop
        .endr
4:
        .section        .eh_frame,"aw",@progbits
        .word           2f-1f           # Length
1:
        .word           .-\cie          # CIE offset
        pbyte           3b              # Initial PC
        pbyte           4b-3b           # Size of code
        .endm
 
 
        # Finish a CIE or FDE entry.
        .macro end_entry
        .p2align        alignment,fill
2:
        .endm
 
 
        # Start the augmentation data for a CIE that has a 'P' entry
        # followed by EXTRA bytes.  AUGLEN is the length of augmentation
        # string (including zero terminator), ENCODING is the encoding to
        # use for the personality routine and VALUE is the value it
        # should have.
        .macro          persaug auglen,extra,encoding,value
        .if (\encoding & 0xf0) == 0x50
        .byte           (-(9 + \auglen + 3 + 2) & mask) + 2 + mask + \extra
        .byte           \encoding
        .fill           -(9 + \auglen + 3 + 2) & mask,1,0
        .else
        .byte           2 + mask + \extra
        .byte           \encoding
        .endif
        pbyte           \value
        .endm
 
 
        .macro cie_basic label
        start_cie       \label,""
        end_entry
        .endm
 
        .macro fde_basic cie,section,size
        start_fde       \cie,\section,\size
        end_entry
        .endm
 
 
        .macro cie_zP label,encoding,value
        start_cie        \label,"zP"
        persaug         3,0,\encoding,\value
        end_entry
        .endm
 
        .macro fde_zP cie,section,size
        start_fde        \cie,\section,\size
        .byte            0               # Augmentation length
        end_entry
        .endm
 
 
        .macro cie_zPR label,encoding,value
        start_cie        \label,"zPR"
        persaug         4,1,\encoding,\value
        .byte           0                # FDE enconding
        end_entry
        .endm
 
        .macro fde_zPR cie,section,size
        start_fde       \cie,\section,\size
        .byte           0                # Augmentation length
        end_entry
        .endm
 
#----------------------------------------------------------------------------
# Test code
#----------------------------------------------------------------------------
 
        cie_basic       basic1
        fde_basic       basic1,.text,0x10
        fde_basic       basic1,.text,0x20
 
        cie_basic       basic2
        fde_basic       basic2,.text,0x30
 
        cie_basic       basic3
        fde_basic       basic3,.text,0x40
 
        cie_basic       basic4
        fde_basic       basic4,.text,0x50
 
        cie_zP          zP_unalign1,0x00,foo
        fde_zP          zP_unalign1,.text,0x10
        fde_zP          zP_unalign1,.text,0x20
 
        cie_zP          zP_align1,0x50,foo
        fde_zP          zP_align1,.text,0x10
        fde_zP          zP_align1,.text,0x20
 
        cie_zPR         zPR1,0x00,foo
        fde_zPR         zPR1,.text,0x10
        fde_zPR         zPR1,.discard,0x20
 
        cie_zPR         zPR2,0x00,foo
        fde_zPR         zPR2,.text,0x30
        fde_zPR         zPR2,.text,0x40
 
        cie_basic       basic5
        fde_basic       basic5,.text,0x10
 
        .if alignment == 2
        .section        .gcc_compiled_long32
        .endif

Line No.	Rev	Author	Line
1	38	julius	`#----------------------------------------------------------------------------`
2			`# Macros`
3			`#----------------------------------------------------------------------------`
4
5			`mask = (1 << alignment) - 1`
6
7			`# Output VALUE as an unaligned pointer-sized quantity.`
8			`.macro pbyte value`
9			`.if alignment == 2`
10			`.4byte \value`
11			`.else`
12			`.8byte \value`
13			`.endif`
14			`.endm`
15
16
17			`# Start a new CIE, and emit everything up to the augmentation data.`
18			`# Use LABEL to mark the start of the entry and AUG as the augmentation`
19			`# string.`
20			`.macro start_cie label,aug`
21			`.section .eh_frame,"aw",@progbits`
22			`\label:`
23			`.word 2f-1f # Length`
24			`1:`
25			`.word 0 # Identifier`
26			`.byte 1 # Version`
27			`.string "\aug" # Augmentation`
28			`.byte 1 # Code alignment`
29			`.byte 4 # Data alignment`
30			`.byte 31 # Return address column`
31			`.endm`
32
33
34			`# Create a dummy function of SIZE bytes in SECTION and emit the`
35			`# first four entries of an FDE for it.`
36			`.macro start_fde cie,section,size`
37			`.section \section,"ax",@progbits`
38			`3:`
39			`.rept \size / 4`
40			`nop`
41			`.endr`
42			`4:`
43			`.section .eh_frame,"aw",@progbits`
44			`.word 2f-1f # Length`
45			`1:`
46			`.word .-\cie # CIE offset`
47			`pbyte 3b # Initial PC`
48			`pbyte 4b-3b # Size of code`
49			`.endm`
50
51
52			`# Finish a CIE or FDE entry.`
53			`.macro end_entry`
54			`.p2align alignment,fill`
55			`2:`
56			`.endm`
57
58
59			`# Start the augmentation data for a CIE that has a 'P' entry`
60			`# followed by EXTRA bytes. AUGLEN is the length of augmentation`
61			`# string (including zero terminator), ENCODING is the encoding to`
62			`# use for the personality routine and VALUE is the value it`
63			`# should have.`
64			`.macro persaug auglen,extra,encoding,value`
65			`.if (\encoding & 0xf0) == 0x50`
66			`.byte (-(9 + \auglen + 3 + 2) & mask) + 2 + mask + \extra`
67			`.byte \encoding`
68			`.fill -(9 + \auglen + 3 + 2) & mask,1,0`
69			`.else`
70			`.byte 2 + mask + \extra`
71			`.byte \encoding`
72			`.endif`
73			`pbyte \value`
74			`.endm`
75
76
77			`.macro cie_basic label`
78			`start_cie \label,""`
79			`end_entry`
80			`.endm`
81
82			`.macro fde_basic cie,section,size`
83			`start_fde \cie,\section,\size`
84			`end_entry`
85			`.endm`
86
87
88			`.macro cie_zP label,encoding,value`
89			`start_cie \label,"zP"`
90			`persaug 3,0,\encoding,\value`
91			`end_entry`
92			`.endm`
93
94			`.macro fde_zP cie,section,size`
95			`start_fde \cie,\section,\size`
96			`.byte 0 # Augmentation length`
97			`end_entry`
98			`.endm`
99
100
101			`.macro cie_zPR label,encoding,value`
102			`start_cie \label,"zPR"`
103			`persaug 4,1,\encoding,\value`
104			`.byte 0 # FDE enconding`
105			`end_entry`
106			`.endm`
107
108			`.macro fde_zPR cie,section,size`
109			`start_fde \cie,\section,\size`
110			`.byte 0 # Augmentation length`
111			`end_entry`
112			`.endm`
113
114			`#----------------------------------------------------------------------------`
115			`# Test code`
116			`#----------------------------------------------------------------------------`
117
118			`cie_basic basic1`
119			`fde_basic basic1,.text,0x10`
120			`fde_basic basic1,.text,0x20`
121
122			`cie_basic basic2`
123			`fde_basic basic2,.text,0x30`
124
125			`cie_basic basic3`
126			`fde_basic basic3,.text,0x40`
127
128			`cie_basic basic4`
129			`fde_basic basic4,.text,0x50`
130
131			`cie_zP zP_unalign1,0x00,foo`
132			`fde_zP zP_unalign1,.text,0x10`
133			`fde_zP zP_unalign1,.text,0x20`
134
135			`cie_zP zP_align1,0x50,foo`
136			`fde_zP zP_align1,.text,0x10`
137			`fde_zP zP_align1,.text,0x20`
138
139			`cie_zPR zPR1,0x00,foo`
140			`fde_zPR zPR1,.text,0x10`
141			`fde_zPR zPR1,.discard,0x20`
142
143			`cie_zPR zPR2,0x00,foo`
144			`fde_zPR zPR2,.text,0x30`
145			`fde_zPR zPR2,.text,0x40`
146
147			`cie_basic basic5`
148			`fde_basic basic5,.text,0x10`
149
150			`.if alignment == 2`
151			`.section .gcc_compiled_long32`
152			`.endif`

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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [ld/] [testsuite/] [ld-mips-elf/] [eh-frame1.s] - Blame information for rev 816