From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sun, 17 Mar 2013 23:15:18 +0000 (+0000)
Subject: x32: use PTRACE_GETREGSET unconditionally
X-Git-Tag: v4.8~91
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ee348c60735e35730c3e95b89a4dd89bbcb4e7b5;p=strace

x32: use PTRACE_GETREGSET unconditionally

* syscall.c (get_regs) [X32]: Assume that PTRACE_GETREGSET always works
regardless of the kernel version.
---

diff --git a/syscall.c b/syscall.c
index 72ef2333..4d72f42b 100644
--- a/syscall.c
+++ b/syscall.c
@@ -1005,7 +1005,12 @@ get_regs(pid_t pid)
 	get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, &avr32_regs);
 # elif defined(I386)
 	get_regs_error = ptrace(PTRACE_GETREGS, pid, NULL, (long) &i386_regs);
-# elif defined(X86_64) || defined(X32)
+# elif defined(X32)
+	/* x86_io.iov_base = &x86_regs_union; - already is */
+	x86_io.iov_len = sizeof(x86_regs_union);
+	get_regs_error = ptrace(PTRACE_GETREGSET, pid,
+				NT_PRSTATUS, (long) &x86_io);
+# elif defined(X86_64)
 	/*
 	 * PTRACE_GETREGSET was introduced in 2.6.33.
 	 * Let's be paranoid and require a bit later kernel.