mirror of https://repo.or.cz/tinycc.git
53 lines
896 B
ArmAsm
53 lines
896 B
ArmAsm
/* ---------------------------------------------- */
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/* alloca86-bt.S */
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#ifdef __leading_underscore
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# define _(s) _##s
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#else
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# define _(s) s
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#endif
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.globl _(__bound_alloca)
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_(__bound_alloca):
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pop %edx
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pop %eax
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mov %eax, %ecx
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add $3+1,%eax
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and $-4,%eax
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jz p6
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#ifdef _WIN32
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p4:
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cmp $4096,%eax
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jbe p5
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test %eax,-4096(%esp)
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sub $4096,%esp
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sub $4096,%eax
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jmp p4
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p5:
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#endif
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sub %eax,%esp
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mov %esp,%eax
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push %edx
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push %eax
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push %ecx
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push %eax
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call _(__bound_new_region)
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add $8, %esp
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pop %eax
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pop %edx
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p6:
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push %edx
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push %edx
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ret
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/* mark stack as nonexecutable */
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#if defined __ELF__ && defined __linux__
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.section .note.GNU-stack,"",@progbits
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#endif
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/* ---------------------------------------------- */
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