glibc/sysdeps/unix/sysv/linux/alpha/init-first.h

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1996-09-05 10:48:53 +08:00
/* The job of this fragment it to find argc and friends for INIT.
This is done in one of two ways: either in the stack context
of program start, or having dlopen pass them in. */
1997-12-23 04:19:45 +08:00
#define SYSDEP_CALL_INIT(NAME, INIT) asm("\
.weak _dl_starting_up
.globl " #NAME "
.ent " #NAME "
" #NAME ":
ldgp $29, 0($27)
.prologue 1
.set at
/* Are we a dynamic libc being loaded into a static program? */
lda $0, _dl_starting_up
beq $0, 1f
ldl $0, 0($0)
cmpeq $31, $0, $0
1: stl $0, __libc_multiple_libcs
/* If so, argc et al are in a0-a2 already. Otherwise, load them. */
bne $0, 2f
ldl $16, 0($30)
lda $17, 8($30)
s8addq $16, $17, $18
addq $18, 8, $18
2: br $31, " ASM_ALPHA_NG_SYMBOL_PREFIX #INIT "..ng
.set noat
.end " #NAME);