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Implement

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Reviewed by:	marcel
Approved by:	re (kib)
MFC after:	1 week
This commit is contained in:
Marius Strobl 2011-08-06 17:50:37 +00:00
parent 21a305d4af
commit 70b9a9a9f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=224685
1 changed files with 30 additions and 5 deletions
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35
lib/libthread_db/arch/sparc64/libpthread_md.c
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Marcel Moolenaar
* Copyright (c) 2011 Marius Strobl <marius@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -27,39 +28,63 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/procfs.h>
#include <sys/types.h>
#include <string.h>
#include <thread_db.h>
#include <ucontext.h>
#include <machine/fsr.h>
#include "libpthread_db.h"
void
pt_reg_to_ucontext(const struct reg *r __unused, ucontext_t *uc __unused)
pt_reg_to_ucontext(const struct reg *r, ucontext_t *uc)
{
memcpy(&uc->uc_mcontext, r, MIN(sizeof(uc->uc_mcontext), sizeof(*r)));
}
void
pt_ucontext_to_reg(const ucontext_t *uc __unused, struct reg *r __unused)
pt_ucontext_to_reg(const ucontext_t *uc, struct reg *r)
{
memcpy(r, &uc->uc_mcontext, MIN(sizeof(uc->uc_mcontext), sizeof(*r)));
}
void
pt_fpreg_to_ucontext(const struct fpreg* r __unused, ucontext_t *uc __unused)
pt_fpreg_to_ucontext(const struct fpreg* r, ucontext_t *uc)
{
mcontext_t *mc = &uc->uc_mcontext;
memcpy(mc->mc_fp, r->fr_regs, MIN(sizeof(mc->mc_fp),
sizeof(r->fr_regs)));
mc->mc_fsr = r->fr_fsr;
mc->mc_gsr = r->fr_gsr;
mc->mc_fprs |= FPRS_FEF;
}
void
pt_ucontext_to_fpreg(const ucontext_t *uc __unused, struct fpreg *r __unused)
pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
{
const mcontext_t *mc = &uc->uc_mcontext;
if ((mc->mc_fprs & FPRS_FEF) != 0) {
memcpy(r->fr_regs, mc->mc_fp, MIN(sizeof(mc->mc_fp),
sizeof(r->fr_regs)));
r->fr_fsr = mc->mc_fsr;
r->fr_gsr = mc->mc_gsr;
} else
memset(r, 0, sizeof(*r));
}
void
pt_md_init(void)
{
}
int
pt_reg_sstep(struct reg *reg __unused, int step __unused)
{
return (0);
}