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Also save x8. It may be passed into a function as the indirect result

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location pointer when the return value doesn't fit in a register, e.g. when
returning a struct.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2015-06-23 10:32:26 +00:00
parent 71d827559b
commit ff8a3cb6e2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=284725
1 changed files with 3 additions and 1 deletions
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4
libexec/rtld-elf/aarch64/rtld_start.S
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@ -68,6 +68,7 @@ ENTRY(_rtld_bind_start)
stp x2, x3, [sp, #-16]!
stp x4, x5, [sp, #-16]!
stp x6, x7, [sp, #-16]!
stp x8, xzr, [sp, #-16]!
/* Calculate reloff */
ldr x2, [x17, #0] /* Get the address of the entry */
@ -84,12 +85,13 @@ ENTRY(_rtld_bind_start)
bl _rtld_bind
/* Restore the registers saved by the plt code */
ldp xzr, x30, [sp, #(4 * 16)]
ldp xzr, x30, [sp, #(5 * 16)]
/* Backup the address to branch to */
mov x16, x0
/* restore the arguments */
ldp x8, xzr, [sp], #16
ldp x6, x7, [sp], #16
ldp x4, x5, [sp], #16
ldp x2, x3, [sp], #16