ObjFW  Check-in [3e57593e8d]

Overview
Comment:Merge trunk into branch "tagged-pointers"
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | tagged-pointers
Files: files | file ages | folders
SHA3-256: 3e57593e8d10b86323d2a29644ae982bb76b52b59ef05a4aa16273b35ca8815e
User & Date: js on 2020-07-08 00:17:27
Other Links: branch diff | manifest | tags
Context
2020-07-08
19:52
lookup-asm-powerpc-elf.S: Support tagged pointers check-in: a0e61a4760 user: js tags: tagged-pointers
00:17
Merge trunk into branch "tagged-pointers" check-in: 3e57593e8d user: js tags: tagged-pointers
00:03
Fix forwarding on NetBSD/PowerPC check-in: 1fea22809b user: js tags: trunk
2020-07-06
23:36
lookup-asm-mips-elf.S: Support tagged pointers check-in: 8870c49908 user: js tags: tagged-pointers
Changes

Modified PLATFORMS.md from [9a5545a862] to [90d4315b90].

75
76
77
78
79
80
81
82
83

84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111

112
113
114
115
116
117
118
119
  * Compilers: Clang
  * Runtimes: Apple


Linux
-----

  * Architectures: Alpha, ARMv6, ARM64, Itanium, m68k, MIPS (O32), RISC-V 64,
		   PowerPC, S390x, SH4, x86, x86_64

  * Compilers: Clang 3.0-9.0, GCC 4.6-8.2
  * Runtimes: ObjFW


macOS
-----

  * OS Versions: 10.5, 10.7-10.14, Darling
  * Architectures: PowerPC, PowerPC 64, x86, x86_64
  * Compilers: Clang 3.1-7.0, GCC 4.2.1
  * Runtimes: Apple, ObjFW


MorphOS
-------

  * OS Versions: 3.9-3.11
  * Architectures: PowerPC
  * Compilers: GCC 5.3.0, GCC 5.4.0
  * Runtimes: ObjFW
  * Notes: libnix and ixemul are both supported


NetBSD
------

  * OS Versions: 5.1-7.99
  * Architectures: ARM, ARM (big endian, BE8 mode), SPARC, SPARC64, x86, x86_64

  * Compilers: Clang 3.0-3.2, GCC 4.1.3 & 4.5.3
  * Runtimes: ObjFW


Nintendo 3DS
------------

  * OS Versions: 9.2.0-20E, 10.5.0-30E / Homebrew Channel 1.1.0







|
|
>
|







|
|
















<
|
>
|







75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

111
112
113
114
115
116
117
118
119
120
  * Compilers: Clang
  * Runtimes: Apple


Linux
-----

  * Architectures: Alpha, ARMv6, ARMv7, ARM64, Itanium, m68k, MIPS (O32),
                   MIPS64 (N64), RISC-V 64, PowerPC, S390x, SuperH-4, x86,
                   x86_64
  * Compilers: Clang 3.0-10.0, GCC 4.6-10.0
  * Runtimes: ObjFW


macOS
-----

  * OS Versions: 10.5, 10.7-10.14, Darling
  * Architectures: PowerPC, PowerPC64, x86, x86_64
  * Compilers: Clang 3.1-10.0, GCC 4.2.1
  * Runtimes: Apple, ObjFW


MorphOS
-------

  * OS Versions: 3.9-3.11
  * Architectures: PowerPC
  * Compilers: GCC 5.3.0, GCC 5.4.0
  * Runtimes: ObjFW
  * Notes: libnix and ixemul are both supported


NetBSD
------


  * Architectures: ARM, ARM (big endian, BE8 mode), MIPS (O32), PowerPC, SPARC,
                   SPARC64, x86, x86_64
  * Compilers: Clang 3.0-3.2, GCC 4.1.3 & 4.5.3 & 7.4.0
  * Runtimes: ObjFW


Nintendo 3DS
------------

  * OS Versions: 9.2.0-20E, 10.5.0-30E / Homebrew Channel 1.1.0
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
  * Limitations: No threads, no sockets
  * Notes: File support requires an argv-compatible launcher (such as HBMenu)


OpenBSD
-------

  * OS Versions: 5.2-6.5
  * Architectures: MIPS64, PA-RISC, PowerPC, SPARC64, x86_64
  * Compilers: GCC 6.3.0, Clang 4.0
  * Runtimes: ObjFW


PlayStation Portable
--------------------







|







133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
  * Limitations: No threads, no sockets
  * Notes: File support requires an argv-compatible launcher (such as HBMenu)


OpenBSD
-------

  * OS Versions: 5.2-6.7
  * Architectures: MIPS64, PA-RISC, PowerPC, SPARC64, x86_64
  * Compilers: GCC 6.3.0, Clang 4.0
  * Runtimes: ObjFW


PlayStation Portable
--------------------
182
183
184
185
186
187
188
189
190

191
192
193
194
195
196
197

Windows
-------

  * OS Versions: 98 SE, NT 4.0, XP (x86), 7 (x64), 8 (x64), 8.1 (x64), 10,
                 Wine (x86 & x64)
  * Architectures: x86, x86_64
  * Compilers: GCC 5.3.0 & 6.2.0 from msys2 (x86 and x64),
               Clang 3.9.0 from msys2 (x86)

  * Runtimes: ObjFW


Others
------

Basically, it should run on any POSIX system to which GCC >= 4.6 or a recent







|
|
>







183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199

Windows
-------

  * OS Versions: 98 SE, NT 4.0, XP (x86), 7 (x64), 8 (x64), 8.1 (x64), 10,
                 Wine (x86 & x64)
  * Architectures: x86, x86_64
  * Compilers: GCC 5.3.0 & 6.2.0 from msys2 (x86 & x64),
               Clang 3.9.0 from msys2 (x86),
               Clang 10.0 from msys2 (x86 & x86_64)
  * Runtimes: ObjFW


Others
------

Basically, it should run on any POSIX system to which GCC >= 4.6 or a recent

Modified src/forwarding/forwarding-powerpc-elf.S from [02c7954cba] to [765ed4e505].

23
24
25
26
27
28
29







30
31
32
33
34
35
36
.globl of_forward_stret

.section .text
of_forward:
	stwu	%r1, -112(%r1)
	mflr	%r0
	stw	%r0, 116(%r1)








	/* Save all arguments */
	stw	%r3, 8(%r1)
	stw	%r4, 12(%r1)
	stw	%r5, 16(%r1)
	stw	%r6, 20(%r1)
	stw	%r7, 24(%r1)







>
>
>
>
>
>
>







23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
.globl of_forward_stret

.section .text
of_forward:
	stwu	%r1, -112(%r1)
	mflr	%r0
	stw	%r0, 116(%r1)
	stw	%r30, 104(%r1)

	bl	0f
0:
	mflr	%r30
	addis	%r30, %r30, .Lbiased_got2-0b@ha
	addi	%r30, %r30, .Lbiased_got2-0b@l

	/* Save all arguments */
	stw	%r3, 8(%r1)
	stw	%r4, 12(%r1)
	stw	%r5, 16(%r1)
	stw	%r6, 20(%r1)
	stw	%r7, 24(%r1)
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
	stfd	%f3, 56(%r1)
	stfd	%f4, 64(%r1)
	stfd	%f5, 72(%r1)
	stfd	%f6, 80(%r1)
	stfd	%f7, 88(%r1)
	stfd	%f8, 96(%r1)

	bl	object_getClass@plt

	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	bl	class_respondsToSelector@plt

	cmpwi	%r3, 0
	beq-	0f

	lwz	%r3, 8(%r1)
	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	bl	objc_msg_lookup@plt
	mtctr	%r3

	lwz	%r3, 8(%r1)
	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	lwz	%r5, 12(%r1)
	bctrl

	cmpwi	%r3, 0
	beq-	0f
	lwz	%r4, 8(%r1)
	cmpw	%r3, %r4
	beq-	0f

	stw	%r3, 8(%r1)

	lwz	%r4, 12(%r1)
	bl	objc_msg_lookup@plt
	mtctr	%r3

	/* Restore all arguments */
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)
	lwz	%r6, 20(%r1)







|

|
<
|





|
<
|



|
<












|







51
52
53
54
55
56
57
58
59
60

61
62
63
64
65
66
67

68
69
70
71
72

73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
	stfd	%f3, 56(%r1)
	stfd	%f4, 64(%r1)
	stfd	%f5, 72(%r1)
	stfd	%f6, 80(%r1)
	stfd	%f7, 88(%r1)
	stfd	%f8, 96(%r1)

	bl	object_getClass+0x8000@plt

	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	bl	class_respondsToSelector+0x8000@plt

	cmpwi	%r3, 0
	beq-	0f

	lwz	%r3, 8(%r1)
	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	bl	objc_msg_lookup+0x8000@plt
	mtctr	%r3

	lwz	%r3, 8(%r1)
	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	lwz	%r5, 12(%r1)
	bctrl

	cmpwi	%r3, 0
	beq-	0f
	lwz	%r4, 8(%r1)
	cmpw	%r3, %r4
	beq-	0f

	stw	%r3, 8(%r1)

	lwz	%r4, 12(%r1)
	bl	objc_msg_lookup+0x8000@plt
	mtctr	%r3

	/* Restore all arguments */
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)
	lwz	%r6, 20(%r1)
97
98
99
100
101
102
103

104
105
106
107
108
109
110
111


112

113
114
115
116
117
118
119
120
121
122
123
124







125
126
127
128
129
130
131
	lfd	%f3, 56(%r1)
	lfd	%f4, 64(%r1)
	lfd	%f5, 72(%r1)
	lfd	%f6, 80(%r1)
	lfd	%f7, 88(%r1)
	lfd	%f8, 96(%r1)


	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112
	bctr

0:
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)




	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112

	b	of_method_not_found@plt
.type of_forward, @function
.size of_forward, .-of_forward

of_forward_stret:
	stwu	%r1, -112(%r1)
	mflr	%r0
	stw	%r0, 116(%r1)








	/* Save all arguments */
	stw	%r3, 8(%r1)
	stw	%r4, 12(%r1)
	stw	%r5, 16(%r1)
	stw	%r6, 20(%r1)
	stw	%r7, 24(%r1)







>








>
>

>




|







>
>
>
>
>
>
>







101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
	lfd	%f3, 56(%r1)
	lfd	%f4, 64(%r1)
	lfd	%f5, 72(%r1)
	lfd	%f6, 80(%r1)
	lfd	%f7, 88(%r1)
	lfd	%f8, 96(%r1)

	lwz	%r30, 104(%r1)
	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112
	bctr

0:
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r0, .Lgot_of_method_not_found-.Lbiased_got2(%r30)
	mtctr	%r0

	lwz	%r30, 104(%r1)
	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112

	bctr
.type of_forward, @function
.size of_forward, .-of_forward

of_forward_stret:
	stwu	%r1, -112(%r1)
	mflr	%r0
	stw	%r0, 116(%r1)
	stw	%r30, 104(%r1)

	bl	0f
0:
	mflr	%r30
	addis	%r30, %r30, .Lbiased_got2-0b@ha
	addi	%r30, %r30, .Lbiased_got2-0b@l

	/* Save all arguments */
	stw	%r3, 8(%r1)
	stw	%r4, 12(%r1)
	stw	%r5, 16(%r1)
	stw	%r6, 20(%r1)
	stw	%r7, 24(%r1)
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
	stfd	%f4, 64(%r1)
	stfd	%f5, 72(%r1)
	stfd	%f6, 80(%r1)
	stfd	%f7, 88(%r1)
	stfd	%f8, 96(%r1)

	mr	%r3, %r4
	bl	object_getClass@plt

	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	bl	class_respondsToSelector@plt

	cmpwi	%r3, 0
	beq-	0f

	lwz	%r3, 12(%r1)
	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	bl	objc_msg_lookup@plt
	mtctr	%r3

	lwz	%r3, 12(%r1)
	lis	%r4, sel_forwardingTargetForSelector_@ha
	la	%r4, sel_forwardingTargetForSelector_@l(%r4)
	lwz	%r5, 16(%r1)
	bctrl

	cmpwi	%r3, 0
	beq-	0f
	lwz	%r4, 12(%r1)
	cmpw	%r3, %r4
	beq-	0f

	stw	%r3, 12(%r1)

	lwz	%r4, 16(%r1)
	bl	objc_msg_lookup_stret@plt
	mtctr	%r3

	/* Restore all arguments */
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)
	lwz	%r6, 20(%r1)







|

|
<
|





|
<
|



|
<












|







155
156
157
158
159
160
161
162
163
164

165
166
167
168
169
170
171

172
173
174
175
176

177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
	stfd	%f4, 64(%r1)
	stfd	%f5, 72(%r1)
	stfd	%f6, 80(%r1)
	stfd	%f7, 88(%r1)
	stfd	%f8, 96(%r1)

	mr	%r3, %r4
	bl	object_getClass+0x800@plt

	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	bl	class_respondsToSelector+0x8000@plt

	cmpwi	%r3, 0
	beq-	0f

	lwz	%r3, 12(%r1)
	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	bl	objc_msg_lookup+0x8000@plt
	mtctr	%r3

	lwz	%r3, 12(%r1)
	lwz	%r4, .Lgot_sel_forwardingTargetForSelector_-.Lbiased_got2(%r30)

	lwz	%r5, 16(%r1)
	bctrl

	cmpwi	%r3, 0
	beq-	0f
	lwz	%r4, 12(%r1)
	cmpw	%r3, %r4
	beq-	0f

	stw	%r3, 12(%r1)

	lwz	%r4, 16(%r1)
	bl	objc_msg_lookup_stret+0x8000@plt
	mtctr	%r3

	/* Restore all arguments */
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)
	lwz	%r6, 20(%r1)
202
203
204
205
206
207
208


209

210
211
212
213
214
215
216
217
218




219





220

221






222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241











242
243
244
	addi	%r1, %r1, 112
	bctr

0:
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)




	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112

	b	of_method_not_found_stret@plt
.type of_forward_stret, @function
.size of_forward_stret, .-of_forward_stret

init:




	lis	%r3, module@ha





	la	%r3, module@l(%r3)

	b	__objc_exec_class@plt







.section .ctors, "aw", @progbits
	.long init

.section .rodata
str_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section .data
sel_forwardingTargetForSelector_:
	.long str_forwardingTargetForSelector_, 0
	.long 0, 0
symtab:
	.long 0, sel_forwardingTargetForSelector_
	.short 0, 0
	.long 0
	.long 0
module:
	.long 8, 16, 0, symtab












#ifdef OF_LINUX
.section .note.GNU-stack, "", @progbits
#endif







>
>

>




|




>
>
>
>
|
>
>
>
>
>
|
>
|
>
>
>
>
>
>




















>
>
>
>
>
>
>
>
>
>
>



214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
	addi	%r1, %r1, 112
	bctr

0:
	lwz	%r3, 8(%r1)
	lwz	%r4, 12(%r1)
	lwz	%r5, 16(%r1)
	lwz	%r0, .Lgot_of_method_not_found_stret-.Lbiased_got2(%r30)
	mtctr	%r0

	lwz	%r30, 104(%r1)
	lwz	%r0, 116(%r1)
	mtlr	%r0
	addi	%r1, %r1, 112

	bctr
.type of_forward_stret, @function
.size of_forward_stret, .-of_forward_stret

init:
	stwu	%r1, -16(%r1)
	mflr	%r0
	stw	%r0, 20(%r1)
	stw	%r30, 8(%r1)

	bl	0f
0:
	mflr	%r30
	addis	%r30, %r30, .Lbiased_got2-0b@ha
	addi	%r30, %r30, .Lbiased_got2-0b@l

	lwz	%r3, .Lgot_module-.Lbiased_got2(%r30)
	bl	__objc_exec_class+0x8000@plt

	lwz	%r30, 8(%r1)
	lwz	%r0, 20(%r1)
	addi	%r1, %r1, 16
	mtlr	%r0
	blr

.section .ctors, "aw", @progbits
	.long init

.section .rodata
str_forwardingTargetForSelector_:
	.asciz "forwardingTargetForSelector:"

.section .data
sel_forwardingTargetForSelector_:
	.long str_forwardingTargetForSelector_, 0
	.long 0, 0
symtab:
	.long 0, sel_forwardingTargetForSelector_
	.short 0, 0
	.long 0
	.long 0
module:
	.long 8, 16, 0, symtab

.section .got2, "aw"
.Lbiased_got2 = .+0x8000
.Lgot_module:
	.long module
.Lgot_sel_forwardingTargetForSelector_:
	.long sel_forwardingTargetForSelector_
.Lgot_of_method_not_found:
	.long of_method_not_found
.Lgot_of_method_not_found_stret:
	.long of_method_not_found_stret

#ifdef OF_LINUX
.section .note.GNU-stack, "", @progbits
#endif