kaguya
64 lines
1.1 KiB
ArmAsm
64 lines
1.1 KiB
ArmAsm
.global __mlibcTlsdescStatic
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.hidden __mlibcTlsdescStatic
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.type __mlibcTlsdescStatic, @function
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__mlibcTlsdescStatic:
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mov 8(%rax), %rax
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ret
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.global __mlibcTlsdescDynamic
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.hidden __mlibcTlsdescDynamic
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.type __mlibcTlsdescDynamic, @function
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__mlibcTlsdescDynamic:
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push %rbx
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push %rcx
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mov 8(%rax), %rax
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mov (%rax), %rbx // index
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mov 8(%rax), %rcx // addend
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mov %fs:16, %rax // *tp->dtvPointers
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mov (%rax, %rbx, 8), %rax // dtvPointers[0][index]
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add %rcx, %rax // + addend
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sub %fs:0, %rax
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pop %rcx
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pop %rbx
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ret
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.global pltRelocateStub
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pltRelocateStub:
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# we need to save / restore all registers than can hold function arguments
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# we do not need to save callee-saved registers as they will not be trashed by lazyRelocate
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# TODO: save floating point argument registers
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push %rsi
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push %rdi
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mov 16(%rsp), %rdi
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mov 24(%rsp), %rsi
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push %rax
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push %rcx
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push %rdx
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push %r8
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push %r9
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push %r10
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call lazyRelocate
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mov %rax, %r11
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pop %r10
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pop %r9
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pop %r8
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pop %rdx
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pop %rcx
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pop %rax
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pop %rdi
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pop %rsi
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add $16, %rsp
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jmp *%r11
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.section .note.GNU-stack,"",%progbits
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