kaguya
62 lines
1.0 KiB
ArmAsm
62 lines
1.0 KiB
ArmAsm
#define FLAGS 4
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#define STACK FLAGS+4
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#define PTID STACK+4
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#define CTID PTID+4
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#define TLS CTID+4
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.section .text
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.global __mlibc_spawn_thread
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.type __mlibc_spawn_thread, "function"
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.cfi_startproc
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__mlibc_spawn_thread:
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push %ebx
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.cfi_adjust_cfa_offset 4
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.cfi_rel_offset ebx, 0
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push %esi
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.cfi_adjust_cfa_offset 4
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.cfi_rel_offset esi, 0
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push %edi
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.cfi_adjust_cfa_offset 4
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.cfi_rel_offset edi, 0
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xor %eax, %eax
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mov 12+FLAGS(%esp), %ebx
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mov 12+STACK(%esp), %ecx
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mov 12+PTID(%esp), %edx
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/* On x86-32 tls and child_tid have to be reversed */
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mov 12+TLS(%esp), %esi
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mov 12+CTID(%esp), %edi
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mov $120, %al
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int $0x80
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test %eax, %eax
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jnz .parent_exit
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xor %ebp, %ebp
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.cfi_undefined %eip
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.cfi_undefined %ebp
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call 1f
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1:
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pop %ebx
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addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
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call __mlibc_enter_thread@plt
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hlt
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.parent_exit:
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pop %edi
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.cfi_adjust_cfa_offset -4
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.cfi_restore edi
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pop %esi
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.cfi_adjust_cfa_offset -4
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.cfi_restore esi
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pop %ebx
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.cfi_adjust_cfa_offset -4
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.cfi_restore ebx
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ret
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.cfi_endproc
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.section .note.GNU-stack,"",%progbits
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