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From-SVN: r9133
This commit is contained in:
Michael Meissner 1995-03-08 21:29:44 +00:00
parent b890f297ea
commit 9890ad7a9e
1 changed files with 15 additions and 8 deletions
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23
gcc/config/rs6000/eabi.asm
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@ -6,13 +6,19 @@
.globl __eabi
.section ".got2","aw"
.LCTOC1 = .+32768
.LCTOC1 = . # +32768
# Table of addresses
.Ltable = .-.LCTOC1
.long .Laddr # address we are really at
.long .LCTOC1 # address we are really at
.Lgot = .-.LCTOC1
.long _GLOBAL_OFFSET_TABLE_ # normal GOT address
.Lgot2s = .-.LCTOC1
.long _GOT2_START_ # -mrelocatable GOT pointers start
.Lgot2e = .-.LCTOC1
.long _GOT2_END_ # -mrelocatable GOT pointers end
.text
@ -21,16 +27,17 @@
__eabi: mflr 0
bl .Laddr # get current address
.Laddr: mflr 11 # real address of .Ltable
lwz 12,(.Lptr-.Laddr)(11) # linker generated address of .Ltable
add 12,12,11 # correct to real pointer
.Laddr: mflr 12 # real address of .Laddr
lwz 11,(.Lptr-.Laddr)(12) # linker generated address of .LCTOC1
add 11,11,12 # correct to real pointer
lwz 12,.Ltable(11) # get linker's idea of where .Laddr is
subf. 12,12,11 # calculate difference
bc 4,2,.Lreloc # skip if we need to relocate
# Normal program, load up register 2
mtlr 0 # restore link register
lwz 2,4(11) # normal GOT address
lwz 2,.Lgot(11) # normal GOT address
blr
# We need to relocate the .got2 pointers. Don't load register 2
@ -38,8 +45,8 @@ __eabi: mflr 0
.Lreloc:
stwu 30,-4(1)
stwu 31,-4(1)
lwz 30,8(11) # GOT pointers start
lwz 31,12(11) # GOT pointers end
lwz 30,.Lgot2s(11) # GOT pointers start
lwz 31,.Lgot2e(11) # GOT pointers end
add 30,12,30 # adjust pointers
add 31,12,31