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alloca86-bt.S@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago
prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新 ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新以下のOSSをアップデート・mruby-1.3.0 ・musl-1.1.18 ・onigmo-6.1.3 ・tcc-0.9.27 以下のOSSを追加・openssl-1.1.0e ・curl-7.57.0 ・zlib-1.2.11 以下のmrbgemsを追加・iij/mruby-digest ・iij/mruby-env ・iij/mruby-errno ・iij/mruby-iijson ・iij/mruby-ipaddr ・iij/mruby-mock ・iij/mruby-require ・iij/mruby-tls-openssl
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File size: 807 bytes

Line
1	/* ---------------------------------------------- */
2	/* alloca86-bt.S */
3
4	.globl __bound_alloca
5
6	__bound_alloca:
7	pop %edx
8	pop %eax
9	mov %eax, %ecx
10	add $3,%eax
11	and $-4,%eax
12	jz p6
13
14	#ifdef _WIN32
15	p4:
16	cmp $4096,%eax
17	jbe p5
18	test %eax,-4096(%esp)
19	sub $4096,%esp
20	sub $4096,%eax
21	jmp p4
22
23	p5:
24	#endif
25
26	sub %eax,%esp
27	mov %esp,%eax
28
29	push %edx
30	push %eax
31	push %ecx
32	push %eax
33	call __bound_new_region
34	add $8, %esp
35	pop %eax
36	pop %edx
37
38	p6:
39	push %edx
40	push %edx
41	ret
42
43	/* mark stack as nonexecutable */
44	#if defined __ELF__ && defined __linux__
45	.section .note.GNU-stack,"",@progbits
46	#endif
47	/* ---------------------------------------------- */

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