git: b1cd03dd2989 - main - <sys/reg.h>: Add ELF32_REGSET.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Wed, 23 Mar 2022 20:33:16 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=b1cd03dd2989a125074f049b5795b1d6479ea632

commit b1cd03dd2989a125074f049b5795b1d6479ea632
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-03-23 20:33:06 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-03-23 20:33:06 +0000

    <sys/reg.h>: Add ELF32_REGSET.
    
    This permits adding a register set for FREEBSD32 ABIs.
    
    While here, include <sys/linker_set.h> to make this header more
    self-contained in the kernel.
    
    Reviewed by:    andrew, markj
    Sponsored by:   The University of Cambridge, Google, Inc.
    Differential Revision:  https://reviews.freebsd.org/D34536
---
 sys/sys/reg.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/sys/reg.h b/sys/sys/reg.h
index e06a5f9a19ed..97803498e2a0 100644
--- a/sys/sys/reg.h
+++ b/sys/sys/reg.h
@@ -41,6 +41,8 @@
 #include <machine/reg.h>
 
 #ifdef _KERNEL
+#include <sys/linker_set.h>
+
 struct sbuf;
 struct regset;
 
@@ -59,6 +61,10 @@ struct regset {
 SET_DECLARE(__elfN(regset), struct regset);
 #define	ELF_REGSET(_regset)	DATA_SET(__elfN(regset), _regset)
 #endif
+#ifdef COMPAT_FREEBSD32
+SET_DECLARE(elf32_regset, struct regset);
+#define	ELF32_REGSET(_regset)	DATA_SET(elf32_regset, _regset)
+#endif
 
 int	fill_regs(struct thread *, struct reg *);
 int	set_regs(struct thread *, struct reg *);