/* GNU/Linux/CRIS specific low level interface, for the remote server for GDB.
Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2007, 2008, 2009 Free Software Foundation, Inc.
+ 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of GDB.
extern int debug_threads;
static CORE_ADDR
-cris_get_pc (void)
+cris_get_pc (struct regcache *regcache)
{
unsigned long pc;
- collect_register_by_name ("pc", &pc);
+ collect_register_by_name (regcache, "pc", &pc);
if (debug_threads)
fprintf (stderr, "stop pc is %08lx\n", pc);
return pc;
}
static void
-cris_set_pc (CORE_ADDR pc)
+cris_set_pc (struct regcache *regcache, CORE_ADDR pc)
{
unsigned long newpc = pc;
- supply_register_by_name ("pc", &newpc);
+ supply_register_by_name (regcache, "pc", &newpc);
}
static const unsigned short cris_breakpoint = 0xe938;
static CORE_ADDR
cris_reinsert_addr (void)
{
+ struct regcache *regcache = get_thread_regcache (current_inferior, 1);
unsigned long pc;
- collect_register_by_name ("srp", &pc);
+ collect_register_by_name (regcache, "srp", &pc);
return pc;
}
static void
-cris_write_data_breakpoint (int bp, unsigned long start, unsigned long end)
+cris_write_data_breakpoint (struct regcache *regcache,
+ int bp, unsigned long start, unsigned long end)
{
switch (bp)
{
case 0:
- supply_register_by_name ("s3", &start);
- supply_register_by_name ("s4", &end);
+ supply_register_by_name (regcache, "s3", &start);
+ supply_register_by_name (regcache, "s4", &end);
break;
case 1:
- supply_register_by_name ("s5", &start);
- supply_register_by_name ("s6", &end);
+ supply_register_by_name (regcache, "s5", &start);
+ supply_register_by_name (regcache, "s6", &end);
break;
case 2:
- supply_register_by_name ("s7", &start);
- supply_register_by_name ("s8", &end);
+ supply_register_by_name (regcache, "s7", &start);
+ supply_register_by_name (regcache, "s8", &end);
break;
case 3:
- supply_register_by_name ("s9", &start);
- supply_register_by_name ("s10", &end);
+ supply_register_by_name (regcache, "s9", &start);
+ supply_register_by_name (regcache, "s10", &end);
break;
case 4:
- supply_register_by_name ("s11", &start);
- supply_register_by_name ("s12", &end);
+ supply_register_by_name (regcache, "s11", &start);
+ supply_register_by_name (regcache, "s12", &end);
break;
case 5:
- supply_register_by_name ("s13", &start);
- supply_register_by_name ("s14", &end);
+ supply_register_by_name (regcache, "s13", &start);
+ supply_register_by_name (regcache, "s14", &end);
break;
}
}
static int
-cris_insert_watchpoint (char type, CORE_ADDR addr, int len)
+cris_insert_point (char type, CORE_ADDR addr, int len)
{
int bp;
unsigned long bp_ctrl;
unsigned long start, end;
unsigned long ccs;
+ struct regcache *regcache;
/* Breakpoint/watchpoint types (GDB terminology):
0 = memory breakpoint for instructions
return 1;
}
+ regcache = get_thread_regcache (current_inferior, 1);
+
/* Read watchpoints are set as access watchpoints, because of GDB's
inability to deal with pure read watchpoints. */
if (type == '3')
type = '4';
/* Get the configuration register. */
- collect_register_by_name ("s0", &bp_ctrl);
+ collect_register_by_name (regcache, "s0", &bp_ctrl);
/* The watchpoint allocation scheme is the simplest possible.
For example, if a region is watched for read and
}
/* Setup the configuration register. */
- supply_register_by_name ("s0", &bp_ctrl);
+ supply_register_by_name (regcache, "s0", &bp_ctrl);
/* Setup the range. */
start = addr;
end = addr + len - 1;
/* Configure the watchpoint register. */
- cris_write_data_breakpoint (bp, start, end);
+ cris_write_data_breakpoint (regcache, bp, start, end);
- collect_register_by_name ("ccs", &ccs);
+ collect_register_by_name (regcache, "ccs", &ccs);
/* Set the S1 flag to enable watchpoints. */
ccs |= (1 << 19);
- supply_register_by_name ("ccs", &ccs);
+ supply_register_by_name (regcache, "ccs", &ccs);
return 0;
}
static int
-cris_remove_watchpoint (char type, CORE_ADDR addr, int len)
+cris_remove_point (char type, CORE_ADDR addr, int len)
{
int bp;
unsigned long bp_ctrl;
unsigned long start, end;
+ struct regcache *regcache;
/* Breakpoint/watchpoint types:
0 = memory breakpoint for instructions
if (type < '2' || type > '4')
return -1;
+ regcache = get_thread_regcache (current_inferior, 1);
+
/* Read watchpoints are set as access watchpoints, because of GDB's
inability to deal with pure read watchpoints. */
if (type == '3')
type = '4';
/* Get the configuration register. */
- collect_register_by_name ("s0", &bp_ctrl);
+ collect_register_by_name (regcache, "s0", &bp_ctrl);
/* Try to find a watchpoint that is configured for the
specified range, then check that read/write also matches. */
unsigned long bp_d_regs[12];
/* Get all range registers to simplify search. */
- collect_register_by_name ("s3", &bp_d_regs[0]);
- collect_register_by_name ("s4", &bp_d_regs[1]);
- collect_register_by_name ("s5", &bp_d_regs[2]);
- collect_register_by_name ("s6", &bp_d_regs[3]);
- collect_register_by_name ("s7", &bp_d_regs[4]);
- collect_register_by_name ("s8", &bp_d_regs[5]);
- collect_register_by_name ("s9", &bp_d_regs[6]);
- collect_register_by_name ("s10", &bp_d_regs[7]);
- collect_register_by_name ("s11", &bp_d_regs[8]);
- collect_register_by_name ("s12", &bp_d_regs[9]);
- collect_register_by_name ("s13", &bp_d_regs[10]);
- collect_register_by_name ("s14", &bp_d_regs[11]);
+ collect_register_by_name (regcache, "s3", &bp_d_regs[0]);
+ collect_register_by_name (regcache, "s4", &bp_d_regs[1]);
+ collect_register_by_name (regcache, "s5", &bp_d_regs[2]);
+ collect_register_by_name (regcache, "s6", &bp_d_regs[3]);
+ collect_register_by_name (regcache, "s7", &bp_d_regs[4]);
+ collect_register_by_name (regcache, "s8", &bp_d_regs[5]);
+ collect_register_by_name (regcache, "s9", &bp_d_regs[6]);
+ collect_register_by_name (regcache, "s10", &bp_d_regs[7]);
+ collect_register_by_name (regcache, "s11", &bp_d_regs[8]);
+ collect_register_by_name (regcache, "s12", &bp_d_regs[9]);
+ collect_register_by_name (regcache, "s13", &bp_d_regs[10]);
+ collect_register_by_name (regcache, "s14", &bp_d_regs[11]);
for (bp = 0; bp < 6; bp++)
{
start/end addresses. */
bp_ctrl &= ~(3 << (2 + (bp * 4)));
/* Setup the configuration register. */
- supply_register_by_name ("s0", &bp_ctrl);
+ supply_register_by_name (regcache, "s0", &bp_ctrl);
start = end = 0;
/* Configure the watchpoint register. */
- cris_write_data_breakpoint (bp, start, end);
+ cris_write_data_breakpoint (regcache, bp, start, end);
/* Note that we don't clear the S1 flag here. It's done when continuing. */
return 0;
typedef unsigned long elf_gregset_t[cris_num_regs];
struct regset_info target_regsets[] = {
- { PTRACE_GETREGS, PTRACE_SETREGS, sizeof (elf_gregset_t),
+ { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t),
GENERAL_REGS, cris_fill_gregset, cris_store_gregset },
- { 0, 0, -1, -1, NULL, NULL }
+ { 0, 0, 0, -1, -1, NULL, NULL }
};
struct linux_target_ops the_low_target = {
cris_reinsert_addr,
0,
cris_breakpoint_at,
- cris_insert_watchpoint,
- cris_remove_watchpoint,
+ cris_insert_point,
+ cris_remove_point,
cris_stopped_by_watchpoint,
cris_stopped_data_address,
};
projects / thirdparty / binutils-gdb.git / blobdiff