Date: Tue, 23 Jun 2015 10:32:27 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r284725 - head/libexec/rtld-elf/aarch64 Message-ID: <201506231032.t5NAWRKc044545@svn.freebsd.org>
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Author: andrew Date: Tue Jun 23 10:32:26 2015 New Revision: 284725 URL: https://svnweb.freebsd.org/changeset/base/284725 Log: Also save x8. It may be passed into a function as the indirect result 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 Modified: head/libexec/rtld-elf/aarch64/rtld_start.S Modified: head/libexec/rtld-elf/aarch64/rtld_start.S ============================================================================== --- head/libexec/rtld-elf/aarch64/rtld_start.S Tue Jun 23 06:59:46 2015 (r284724) +++ head/libexec/rtld-elf/aarch64/rtld_start.S Tue Jun 23 10:32:26 2015 (r284725) @@ -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
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