35 lines
617 B
ArmAsm
35 lines
617 B
ArmAsm
/* ---------------------------------------------- */
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/* alloca86.S */
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.globl alloca
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alloca:
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pop %edx
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pop %eax
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add $3,%eax
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and $-4,%eax
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jz p3
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#ifdef TCC_TARGET_PE
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p1:
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cmp $4096,%eax
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jbe p2
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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 p1
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p2:
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#endif
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sub %eax,%esp
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mov %esp,%eax
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p3:
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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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