Attachment #237693 for bug #267361

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 */
#define UC32_COPY_SIZE  offsetof(ucontext32_t, uc_link)

#ifdef VFP
static void get_fpcontext32(struct thread *td, mcontext32_vfp_t *);
#endif

/*
 * Stubs for machine dependent 32-bits system calls.
 */

}

#ifdef VFP
void
get_fpcontext32(struct thread *td, mcontext32_vfp_t *mcp)
{
	struct pcb *curpcb;

 critical_exit();
}

void
set_fpcontext32(struct thread *td, mcontext32_vfp_t *mcp)
{
	struct pcb *pcb;





#include <machine/armreg.h>

/* Only used to get/set 32bits VFP regs */
int
cpu_ptrace(struct thread *td, int req, void *arg, int data)
{
#if defined(VFP) && defined(COMPAT_FREEBSD32)
	mcontext32_vfp_t vfp;
	int error;

	if (!SV_CURPROC_FLAG(SV_ILP32))
		return (EINVAL);
	switch (req) {
		case PT_GETVFPREGS32:
			get_fpcontext32(td, &vfp);
			error = copyout(&vfp, arg, sizeof(vfp));
			break;
		case PT_SETVFPREGS32:
			error = copyin(arg, &vfp, sizeof(vfp));
			if (error == 0)
				set_fpcontext32(td, &vfp);
			break;
		default:
			error = EINVAL;
	}

	return (error);
#else
	return (EINVAL);
#endif
}

int
ptrace_set_pc(struct thread *td, u_long addr)
{

Line 1 Link Here

(-)b/sys/arm64/include/ptrace.h (+10 lines)
1	/* $FreeBSD$ */	1	/* $FreeBSD$ */
		2
		3	#ifndef _MACHINE_PTRACE_H_
		4	#define _MACHINE_PTRACE_H_
		5
		6	#define __HAVE_PTRACE_MACHDEP
		7
		8	#define PT_GETVFPREGS32 (PT_FIRSTMACH + 0)
		9	#define PT_SETVFPREGS32 (PT_FIRSTMACH + 1)
		10
		11	#endif /* _MACHINE_PTRACE_H_ */

Lines 97-100 int is_fpu_kern_thread(u_int); Link Here

(-)b/sys/arm64/include/vfp.h (-1 / +5 lines)
97		97
98	#endif	98	#endif
99		99
		100	#ifdef COMPAT_FREEBSD32
		101	void get_fpcontext32(struct thread td, mcontext32_vfp_t mcp);
		102	void set_fpcontext32(struct thread td, mcontext32_vfp_t mcp);
		103	#endif
		104
100	#endif /* !_MACHINE_VFP_H_ */	105	#endif /* !_MACHINE_VFP_H_ */
101	-

Return to bug 267361

Lines 57-66 extern void freebsd32_sendsig(sig_t catcher, ksiginfo_t ksi, sigset_t mask); Link Here

(-)b/sys/arm64/arm64/freebsd32_machdep.c (-6 / +2 lines)
57	*/	57	*/
58	#define UC32_COPY_SIZE offsetof(ucontext32_t, uc_link)	58	#define UC32_COPY_SIZE offsetof(ucontext32_t, uc_link)
59		59
60	#ifdef VFP
61	static void get_fpcontext32(struct thread td, mcontext32_vfp_t );
62	#endif
63
64	/*	60	/*
65	* Stubs for machine dependent 32-bits system calls.	61	* Stubs for machine dependent 32-bits system calls.
66	*/	62	*/
Lines 123-129 freebsd32_sysarch(struct thread td, struct freebsd32_sysarch_args uap) Link Here
123	}	119	}
124		120
125	#ifdef VFP	121	#ifdef VFP
126	static void	122	void
127	get_fpcontext32(struct thread td, mcontext32_vfp_t mcp)	123	get_fpcontext32(struct thread td, mcontext32_vfp_t mcp)
128	{	124	{
129	struct pcb *curpcb;	125	struct pcb *curpcb;
Lines 151-157 get_fpcontext32(struct thread td, mcontext32_vfp_t mcp) Link Here
151	critical_exit();	147	critical_exit();
152	}	148	}
153		149
154	static void	150	void
155	set_fpcontext32(struct thread td, mcontext32_vfp_t mcp)	151	set_fpcontext32(struct thread td, mcontext32_vfp_t mcp)
156	{	152	{
157	struct pcb *pcb;	153	struct pcb *pcb;

Lines 47-52 __FBSDID("$FreeBSD$"); Link Here

(-)b/sys/arm64/arm64/ptrace_machdep.c (+30 lines)
47		47
48	#include <machine/armreg.h>	48	#include <machine/armreg.h>
49		49
		50	/* Only used to get/set 32bits VFP regs */
		51	int
		52	cpu_ptrace(struct thread td, int req, void arg, int data)
		53	{
		54	#if defined(VFP) && defined(COMPAT_FREEBSD32)
		55	mcontext32_vfp_t vfp;
		56	int error;
		57
		58	if (!SV_CURPROC_FLAG(SV_ILP32))
		59	return (EINVAL);
		60	switch (req) {
		61	case PT_GETVFPREGS32:
		62	get_fpcontext32(td, &vfp);
		63	error = copyout(&vfp, arg, sizeof(vfp));
		64	break;
		65	case PT_SETVFPREGS32:
		66	error = copyin(arg, &vfp, sizeof(vfp));
		67	if (error == 0)
		68	set_fpcontext32(td, &vfp);
		69	break;
		70	default:
		71	error = EINVAL;
		72	}
		73
		74	return (error);
		75	#else
		76	return (EINVAL);
		77	#endif
		78	}
		79
50	int	80	int
51	ptrace_set_pc(struct thread *td, u_long addr)	81	ptrace_set_pc(struct thread *td, u_long addr)
52	{	82	{