1995-02-23 15:30:26 -05:00
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# File to either setup register 2 to point to the GOT, or to adjust the
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# pointers in the .got2 section to point to their new addresses.
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.file "eabi.asm"
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.section ".text"
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.globl __eabi
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.long 0x4000 # traceback table
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__eabi: mflr 0
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bl .Laddr # get current address
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# Table of addresses
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.Ltable:
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.long .Ltable # address we are really at
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.long _GLOBAL_OFFSET_TABLE_ # normal GOT address
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.long _GOT2_START_ # -mrelocatable GOT pointers start
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.long _GOT2_END_ # -mrelocatable GOT pointers end
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.Laddr: mflr 11 # real address of .Ltable
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lwz 12,0(11) # linker generated address of .Ltable
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subf. 12,12,11 # calculate difference
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bc 4,2,.Lreloc # skip if we need to relocate
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# Normal program, load up register 2
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mtlr 0 # restore link register
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lwz 2,4(11) # normal GOT address
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blr
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# We need to relocate the .got2 pointers. Don't load register 2
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.Lreloc:
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stwu 30,-4(1)
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stwu 31,-4(1)
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lwz 30,8(11) # GOT pointers start
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lwz 31,12(11) # GOT pointers end
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add 30,12,30 # adjust pointers
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add 31,12,31
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cmpw 1,30,31 # any pointers to adjust
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bc 12,6,.Ldone
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.Lloop: lwz 11,0(30) # next pointer
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add 11,11,12 # adjust
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stw 11,0(30)
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addi 30,30,4 # bump to next word
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cmpw 1,30,31 # more pointers to adjust?
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bc 4,6,.Lloop
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# Done adjusting pointers, return
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.Ldone:
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mtlr 0 # restore link register
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lwz 31,0(1)
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1995-02-28 16:39:57 -05:00
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lwz 30,4(1) # restore regs
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1995-02-23 15:30:26 -05:00
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addic 1,1,8 # pop stack
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blr
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