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sparc: add '32' suffix to reg_window, sigcontext, __siginfo_t 

Renaming a few types to contain a 32 suffix makes the
type names compatible with sparc64 and thus makes sharing
between the two a lot easier.

Note: None of these definitions are expected part of the
stable ABI towards userspace.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Sam Ravnborg 2009-01-02 19:32:59 -08:00 committed by David S. Miller
parent ece93487c3
commit 4d7b92ad57
11 changed files with 38 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sparc/include/asm/processor_32.h
View File

@ -99,7 +99,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
"st\t%%g0, [%0 + %3 + 0x3c]"
: /* no outputs */
: "r" (regs),
"r" (sp - sizeof(struct reg_window)),
"r" (sp - sizeof(struct reg_window32)),
"r" (zero),
"i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))
: "memory");

2
arch/sparc/include/asm/ptrace_32.h
View File

@ -41,7 +41,7 @@ struct pt_regs {
#define UREG_RETPC UREG_I7
/* A register window */
struct reg_window {
struct reg_window32 {
unsigned long locals[8];
unsigned long ins[8];
};

9
arch/sparc/include/asm/sigcontext_32.h
View File

@ -9,7 +9,7 @@
#define __SUNOS_MAXWIN 31
/* This is what SunOS does, so shall I. */
struct sigcontext {
struct sigcontext32 {
int sigc_onstack; /* state to restore */
int sigc_mask; /* sigmask to restore */
int sigc_sp; /* stack pointer */
@ -28,10 +28,7 @@ struct sigcontext {
char *sigc_spbuf[__SUNOS_MAXWIN];
/* Windows to restore after signal */
struct {
unsigned long locals[8];
unsigned long ins[8];
} sigc_wbuf[__SUNOS_MAXWIN];
struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN];
};
typedef struct {
@ -43,7 +40,7 @@ typedef struct {
unsigned long u_regs[16]; /* globals and ins */
} si_regs;
int si_mask;
} __siginfo_t;
} __siginfo32_t;
typedef struct {
unsigned long si_float_regs [32];

2
arch/sparc/include/asm/thread_info_32.h
View File

@ -45,7 +45,7 @@ struct thread_info {
/* A place to store user windows and stack pointers
* when the stack needs inspection.
*/
struct reg_window reg_window[NSWINS]; /* align for ldd! */
struct reg_window32 reg_window[NSWINS]; /* align for ldd! */
unsigned long rwbuf_stkptrs[NSWINS];
unsigned long w_saved;

12
arch/sparc/kernel/kgdb_32.c
View File

@ -14,14 +14,14 @@ extern unsigned long trapbase;
void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
{
struct reg_window *win;
struct reg_window32 *win;
int i;
gdb_regs[GDB_G0] = 0;
for (i = 0; i < 15; i++)
gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i];
win = (struct reg_window *) regs->u_regs[UREG_FP];
win = (struct reg_window32 *) regs->u_regs[UREG_FP];
for (i = 0; i < 8; i++)
gdb_regs[GDB_L0 + i] = win->locals[i];
for (i = 0; i < 8; i++)
@ -43,7 +43,7 @@ void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
{
struct thread_info *t = task_thread_info(p);
struct reg_window *win;
struct reg_window32 *win;
int i;
for (i = GDB_G0; i < GDB_G6; i++)
@ -55,7 +55,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
gdb_regs[GDB_SP] = t->ksp;
gdb_regs[GDB_O7] = 0;
win = (struct reg_window *) t->ksp;
win = (struct reg_window32 *) t->ksp;
for (i = 0; i < 8; i++)
gdb_regs[GDB_L0 + i] = win->locals[i];
for (i = 0; i < 8; i++)
@ -77,7 +77,7 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
{
struct reg_window *win;
struct reg_window32 *win;
int i;
for (i = 0; i < 15; i++)
@ -96,7 +96,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
regs->npc = gdb_regs[GDB_NPC];
regs->y = gdb_regs[GDB_Y];
win = (struct reg_window *) regs->u_regs[UREG_FP];
win = (struct reg_window32 *) regs->u_regs[UREG_FP];
for (i = 0; i < 8; i++)
win->locals[i] = gdb_regs[GDB_L0 + i];
for (i = 0; i < 8; i++)

8
arch/sparc/kernel/muldiv.c
View File

@ -60,7 +60,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2,
}
#define fetch_reg(reg, regs) ({ \
struct reg_window __user *win; \
struct reg_window32 __user *win; \
register unsigned long ret; \
\
if (!(reg)) ret = 0; \
@ -68,7 +68,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2,
ret = regs->u_regs[(reg)]; \
} else { \
/* Ho hum, the slightly complicated case. */ \
win = (struct reg_window __user *)regs->u_regs[UREG_FP];\
win = (struct reg_window32 __user *)regs->u_regs[UREG_FP];\
if (get_user (ret, &win->locals[(reg) - 16])) return -1;\
} \
ret; \
@ -77,7 +77,7 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2,
static inline int
store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs)
{
struct reg_window __user *win;
struct reg_window32 __user *win;
if (!reg)
return 0;
@ -86,7 +86,7 @@ store_reg(unsigned int result, unsigned int reg, struct pt_regs *regs)
return 0;
} else {
/* need to use put_user() in this case: */
win = (struct reg_window __user *) regs->u_regs[UREG_FP];
win = (struct reg_window32 __user *) regs->u_regs[UREG_FP];
return (put_user(result, &win->locals[reg - 16]));
}
}

16
arch/sparc/kernel/process_32.c
View File

@ -180,13 +180,13 @@ static DEFINE_SPINLOCK(sparc_backtrace_lock);
void __show_backtrace(unsigned long fp)
{
struct reg_window *rw;
struct reg_window32 *rw;
unsigned long flags;
int cpu = smp_processor_id();
spin_lock_irqsave(&sparc_backtrace_lock, flags);
rw = (struct reg_window *)fp;
rw = (struct reg_window32 *)fp;
while(rw && (((unsigned long) rw) >= PAGE_OFFSET) &&
!(((unsigned long) rw) & 0x7)) {
printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] "
@ -196,7 +196,7 @@ void __show_backtrace(unsigned long fp)
rw->ins[6],
rw->ins[7]);
printk("%pS\n", (void *) rw->ins[7]);
rw = (struct reg_window *) rw->ins[6];
rw = (struct reg_window32 *) rw->ins[6];
}
spin_unlock_irqrestore(&sparc_backtrace_lock, flags);
}
@ -258,7 +258,7 @@ void show_stackframe(struct sparc_stackf *sf)
void show_regs(struct pt_regs *r)
{
struct reg_window *rw = (struct reg_window *) r->u_regs[14];
struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];
printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
r->psr, r->pc, r->npc, r->y, print_tainted());
@ -287,7 +287,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
{
unsigned long pc, fp;
unsigned long task_base;
struct reg_window *rw;
struct reg_window32 *rw;
int count = 0;
if (tsk != NULL)
@ -301,7 +301,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
if (fp < (task_base + sizeof(struct thread_info)) ||
fp >= (task_base + (PAGE_SIZE << 1)))
break;
rw = (struct reg_window *) fp;
rw = (struct reg_window32 *) fp;
pc = rw->ins[7];
printk("[%08lx : ", pc);
printk("%pS ] ", (void *) pc);
@ -679,7 +679,7 @@ unsigned long get_wchan(struct task_struct *task)
unsigned long pc, fp, bias = 0;
unsigned long task_base = (unsigned long) task;
unsigned long ret = 0;
struct reg_window *rw;
struct reg_window32 *rw;
int count = 0;
if (!task || task == current ||
@ -692,7 +692,7 @@ unsigned long get_wchan(struct task_struct *task)
if (fp < (task_base + sizeof(struct thread_info)) ||
fp >= (task_base + (2 * PAGE_SIZE)))
break;
rw = (struct reg_window *) fp;
rw = (struct reg_window32 *) fp;
pc = rw->ins[7];
if (!in_sched_functions(pc)) {
ret = pc;

6
arch/sparc/kernel/signal_32.c
View File

@ -34,7 +34,7 @@ extern void fpload(unsigned long *fpregs, unsigned long *fsr);
struct signal_frame {
struct sparc_stackf ss;
__siginfo_t info;
__siginfo32_t info;
__siginfo_fpu_t __user *fpu_save;
unsigned long insns[2] __attribute__ ((aligned (8)));
unsigned int extramask[_NSIG_WORDS - 1];
@ -351,7 +351,7 @@ static void setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= __copy_to_user(sf->extramask, &oldset->sig[1],
(_NSIG_WORDS - 1) * sizeof(unsigned int));
err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
sizeof(struct reg_window));
sizeof(struct reg_window32));
if (err)
goto sigsegv;
@ -433,7 +433,7 @@ static void setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
sizeof(struct reg_window));
sizeof(struct reg_window32));
err |= copy_siginfo_to_user(&sf->info, info);

4
arch/sparc/kernel/traps_32.c
View File

@ -67,7 +67,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
__RESTORE; __RESTORE; __RESTORE; __RESTORE;
{
struct reg_window *rw = (struct reg_window *)regs->u_regs[UREG_FP];
struct reg_window32 *rw = (struct reg_window32 *)regs->u_regs[UREG_FP];
/* Stop the back trace when we hit userland or we
* find some badly aligned kernel stack. Set an upper
@ -79,7 +79,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
!(((unsigned long) rw) & 0x7)) {
printk("Caller[%08lx]: %pS\n", rw->ins[7],
(void *) rw->ins[7]);
rw = (struct reg_window *)rw->ins[6];
rw = (struct reg_window32 *)rw->ins[6];
}
}
printk("Instruction DUMP:");

12
arch/sparc/kernel/unaligned_32.c
View File

@ -97,26 +97,26 @@ static inline int sign_extend_imm13(int imm)
static inline unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs)
{
struct reg_window *win;
struct reg_window32 *win;
if(reg < 16)
return (!reg ? 0 : regs->u_regs[reg]);
/* Ho hum, the slightly complicated case. */
win = (struct reg_window *) regs->u_regs[UREG_FP];
win = (struct reg_window32 *) regs->u_regs[UREG_FP];
return win->locals[reg - 16]; /* yes, I know what this does... */
}
static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *regs)
{
struct reg_window __user *win;
struct reg_window32 __user *win;
unsigned long ret;
if (reg < 16)
return (!reg ? 0 : regs->u_regs[reg]);
/* Ho hum, the slightly complicated case. */
win = (struct reg_window __user *) regs->u_regs[UREG_FP];
win = (struct reg_window32 __user *) regs->u_regs[UREG_FP];
if ((unsigned long)win & 3)
return -1;
@ -129,11 +129,11 @@ static inline unsigned long safe_fetch_reg(unsigned int reg, struct pt_regs *reg
static inline unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs)
{
struct reg_window *win;
struct reg_window32 *win;
if(reg < 16)
return &regs->u_regs[reg];
win = (struct reg_window *) regs->u_regs[UREG_FP];
win = (struct reg_window32 *) regs->u_regs[UREG_FP];
return &win->locals[reg - 16];
}

6
arch/sparc/kernel/windows.c
View File

@ -42,7 +42,7 @@ static inline void shift_window_buffer(int first_win, int last_win, struct threa
for(i = first_win; i < last_win; i++) {
tp->rwbuf_stkptrs[i] = tp->rwbuf_stkptrs[i+1];
memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window));
memcpy(&tp->reg_window[i], &tp->reg_window[i+1], sizeof(struct reg_window32));
}
}
@ -70,7 +70,7 @@ void synchronize_user_stack(void)
/* Ok, let it rip. */
if (copy_to_user((char __user *) sp, &tp->reg_window[window],
sizeof(struct reg_window)))
sizeof(struct reg_window32)))
continue;
shift_window_buffer(window, tp->w_saved - 1, tp);
@ -119,7 +119,7 @@ void try_to_clear_window_buffer(struct pt_regs *regs, int who)
if ((sp & 7) ||
copy_to_user((char __user *) sp, &tp->reg_window[window],
sizeof(struct reg_window)))
sizeof(struct reg_window32)))
do_exit(SIGILL);
}
tp->w_saved = 0;