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lib/libc/powerpc/gen/_ctx_start.S
| Show All 29 Lines | __FBSDID("$FreeBSD$"); | ||||
| .globl CNAME(_ctx_done) | .globl CNAME(_ctx_done) | ||||
| .globl CNAME(abort) | .globl CNAME(abort) | ||||
| ENTRY(_ctx_start) | ENTRY(_ctx_start) | ||||
| mtlr %r14 | mtlr %r14 | ||||
| blrl /* branch to start function */ | blrl /* branch to start function */ | ||||
| mr %r3,%r15 /* pass pointer to ucontext as argument */ | mr %r3,%r15 /* pass pointer to ucontext as argument */ | ||||
| bl PIC_PLT(CNAME(_ctx_done)) /* branch to ctxt completion func */ | bl CNAME(_ctx_done) /* branch to ctxt completion func */ | ||||
| /* | /* | ||||
| * we should never return from the | * we should never return from the | ||||
| * above branch. | * above branch. | ||||
| */ | */ | ||||
| /* Don't bother saving off %r30, we're already in a bad state. */ | |||||
| bcl 20,31,1f | |||||
| 1: mflr %r30 | |||||
| mr %r3,%r30 # save for _DYNAMIC | |||||
| addis %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@ha | |||||
| addi %r30,%r30,_GLOBAL_OFFSET_TABLE_-1b@l | |||||
| bl PIC_PLT(CNAME(abort)) /* abort */ | bl PIC_PLT(CNAME(abort)) /* abort */ | ||||
| END(_cts_start) | END(_cts_start) | ||||
| .section .note.GNU-stack,"",%progbits | .section .note.GNU-stack,"",%progbits | ||||