aboutsummaryrefslogtreecommitdiff
path: root/gdbserver/linux-sparc-low.cc
diff options
context:
space:
mode:
Diffstat (limited to 'gdbserver/linux-sparc-low.cc')
-rw-r--r--gdbserver/linux-sparc-low.cc132
1 files changed, 61 insertions, 71 deletions
diff --git a/gdbserver/linux-sparc-low.cc b/gdbserver/linux-sparc-low.cc
index 660e832..7991d79 100644
--- a/gdbserver/linux-sparc-low.cc
+++ b/gdbserver/linux-sparc-low.cc
@@ -47,13 +47,11 @@
class sparc_target : public linux_process_target
{
public:
-
const regs_info *get_regs_info () override;
const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
protected:
-
void low_arch_setup () override;
bool low_cannot_fetch_register (int regno) override;
@@ -92,34 +90,39 @@ sparc_target::low_get_pc (regcache *regcache)
static int sparc_regmap[] = {
/* These offsets correspond to GET/SETREGSET. */
- -1, 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, /* g0 .. g7 */
- 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, /* o0 .. o5, sp, o7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* l0 .. l7 */
- -1, -1, -1, -1, -1, -1, -1, -1, /* i0 .. i5, fp, i7 */
+ -1, 0 * 8, 1 * 8, 2 * 8, 3 * 8, 4 * 8, 5 * 8, 6 * 8, /* g0 .. g7 */
+ 7 * 8, 8 * 8, 9 * 8, 10 * 8, 11 * 8, 12 * 8, 13 * 8,
+ 14 * 8, /* o0 .. o5, sp, o7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* l0 .. l7 */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* i0 .. i5, fp, i7 */
/* Floating point registers offsets correspond to GET/SETFPREGSET. */
- 0*4, 1*4, 2*4, 3*4, 4*4, 5*4, 6*4, 7*4, /* f0 .. f7 */
- 8*4, 9*4, 10*4, 11*4, 12*4, 13*4, 14*4, 15*4, /* f8 .. f15 */
- 16*4, 17*4, 18*4, 19*4, 20*4, 21*4, 22*4, 23*4, /* f16 .. f23 */
- 24*4, 25*4, 26*4, 27*4, 28*4, 29*4, 30*4, 31*4, /* f24 .. f31 */
+ 0 * 4, 1 * 4, 2 * 4, 3 * 4, 4 * 4, 5 * 4, 6 * 4, 7 * 4, /* f0 .. f7 */
+ 8 * 4, 9 * 4, 10 * 4, 11 * 4, 12 * 4, 13 * 4, 14 * 4,
+ 15 * 4, /* f8 .. f15 */
+ 16 * 4, 17 * 4, 18 * 4, 19 * 4, 20 * 4, 21 * 4, 22 * 4,
+ 23 * 4, /* f16 .. f23 */
+ 24 * 4, 25 * 4, 26 * 4, 27 * 4, 28 * 4, 29 * 4, 30 * 4,
+ 31 * 4, /* f24 .. f31 */
/* F32 offset starts next to f31: 31*4+4 = 16 * 8. */
- 16*8, 17*8, 18*8, 19*8, 20*8, 21*8, 22*8, 23*8, /* f32 .. f46 */
- 24*8, 25*8, 26*8, 27*8, 28*8, 29*8, 30*8, 31*8, /* f48 .. f62 */
-
- 17 *8, /* pc */
- 18 *8, /* npc */
- 16 *8, /* state */
- /* FSR offset also corresponds to GET/SETFPREGSET, ans is placed
+ 16 * 8, 17 * 8, 18 * 8, 19 * 8, 20 * 8, 21 * 8, 22 * 8,
+ 23 * 8, /* f32 .. f46 */
+ 24 * 8, 25 * 8, 26 * 8, 27 * 8, 28 * 8, 29 * 8, 30 * 8,
+ 31 * 8, /* f48 .. f62 */
+
+ 17 * 8, /* pc */
+ 18 * 8, /* npc */
+ 16 * 8, /* state */
+ /* FSR offset also corresponds to GET/SETFPREGSET, ans is placed
next to f62. */
- 32 *8, /* fsr */
- -1, /* fprs */
- /* Y register is 32-bits length, but gdb takes care of that. */
- 19 *8, /* y */
+ 32 * 8, /* fsr */
+ -1, /* fprs */
+ /* Y register is 32-bits length, but gdb takes care of that. */
+ 19 * 8, /* y */
};
-
struct regs_range_t
{
int regno_start;
@@ -127,16 +130,16 @@ struct regs_range_t
};
static const struct regs_range_t gregs_ranges[] = {
- { 0, 31 }, /* g0 .. i7 */
- { 80, 82 }, /* pc .. state */
- { 84, 85 } /* fprs .. y */
+ { 0, 31 }, /* g0 .. i7 */
+ { 80, 82 }, /* pc .. state */
+ { 84, 85 } /* fprs .. y */
};
#define N_GREGS_RANGES (sizeof (gregs_ranges) / sizeof (struct regs_range_t))
static const struct regs_range_t fpregs_ranges[] = {
- { 32, 79 }, /* f0 .. f62 */
- { 83, 83 } /* fsr */
+ { 32, 79 }, /* f0 .. f62 */
+ { 83, 83 } /* fsr */
};
#define N_FPREGS_RANGES (sizeof (fpregs_ranges) / sizeof (struct regs_range_t))
@@ -168,8 +171,8 @@ sparc_fill_gregset_to_stack (struct regcache *regcache, const void *buf)
/* These registers have to be stored in the stack. */
memcpy (&addr,
- ((char *) buf) + sparc_regmap[find_regno (regcache->tdesc, "sp")],
- sizeof (addr));
+ ((char *) buf) + sparc_regmap[find_regno (regcache->tdesc, "sp")],
+ sizeof (addr));
addr += BIAS;
@@ -189,9 +192,9 @@ sparc_fill_gregset (struct regcache *regcache, void *buf)
for (range = 0; range < N_GREGS_RANGES; range++)
for (i = gregs_ranges[range].regno_start;
- i <= gregs_ranges[range].regno_end; i++)
+ i <= gregs_ranges[range].regno_end; i++)
if (sparc_regmap[i] != -1)
- collect_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
+ collect_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
sparc_fill_gregset_to_stack (regcache, buf);
}
@@ -204,9 +207,8 @@ sparc_fill_fpregset (struct regcache *regcache, void *buf)
for (range = 0; range < N_FPREGS_RANGES; range++)
for (i = fpregs_ranges[range].regno_start;
- i <= fpregs_ranges[range].regno_end; i++)
+ i <= fpregs_ranges[range].regno_end; i++)
collect_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
-
}
static void
@@ -220,8 +222,8 @@ sparc_store_gregset_from_stack (struct regcache *regcache, const void *buf)
/* These registers have to be obtained from the stack. */
memcpy (&addr,
- ((char *) buf) + sparc_regmap[find_regno (regcache->tdesc, "sp")],
- sizeof (addr));
+ ((char *) buf) + sparc_regmap[find_regno (regcache->tdesc, "sp")],
+ sizeof (addr));
addr += BIAS;
@@ -244,11 +246,11 @@ sparc_store_gregset (struct regcache *regcache, const void *buf)
for (range = 0; range < N_GREGS_RANGES; range++)
for (i = gregs_ranges[range].regno_start;
- i <= gregs_ranges[range].regno_end; i++)
+ i <= gregs_ranges[range].regno_end; i++)
if (sparc_regmap[i] != -1)
- supply_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
+ supply_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
else
- supply_register (regcache, i, zerobuf);
+ supply_register (regcache, i, zerobuf);
sparc_store_gregset_from_stack (regcache, buf);
}
@@ -261,14 +263,11 @@ sparc_store_fpregset (struct regcache *regcache, const void *buf)
for (range = 0; range < N_FPREGS_RANGES; range++)
for (i = fpregs_ranges[range].regno_start;
- i <= fpregs_ranges[range].regno_end;
- i++)
+ i <= fpregs_ranges[range].regno_end; i++)
supply_register (regcache, i, ((char *) buf) + sparc_regmap[i]);
}
-static const gdb_byte sparc_breakpoint[INSN_SIZE] = {
- 0x91, 0xd0, 0x20, 0x01
-};
+static const gdb_byte sparc_breakpoint[INSN_SIZE] = { 0x91, 0xd0, 0x20, 0x01 };
#define sparc_breakpoint_len INSN_SIZE
/* Implementation of target ops method "sw_breakpoint_from_kind". */
@@ -302,37 +301,28 @@ sparc_target::low_arch_setup ()
current_process ()->tdesc = tdesc_sparc64;
}
-static struct regset_info sparc_regsets[] = {
- { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t),
- GENERAL_REGS,
- sparc_fill_gregset, sparc_store_gregset },
- { PTRACE_GETFPREGS, PTRACE_SETFPREGS, 0, sizeof (fpregset_t),
- FP_REGS,
- sparc_fill_fpregset, sparc_store_fpregset },
- NULL_REGSET
+static struct regset_info sparc_regsets[]
+ = { { PTRACE_GETREGS, PTRACE_SETREGS, 0, sizeof (elf_gregset_t),
+ GENERAL_REGS, sparc_fill_gregset, sparc_store_gregset },
+ { PTRACE_GETFPREGS, PTRACE_SETFPREGS, 0, sizeof (fpregset_t), FP_REGS,
+ sparc_fill_fpregset, sparc_store_fpregset },
+ NULL_REGSET };
+
+static struct regsets_info sparc_regsets_info = {
+ sparc_regsets, /* regsets */
+ 0, /* num_regsets */
+ NULL, /* disabled_regsets */
};
-static struct regsets_info sparc_regsets_info =
- {
- sparc_regsets, /* regsets */
- 0, /* num_regsets */
- NULL, /* disabled_regsets */
- };
-
-static struct usrregs_info sparc_usrregs_info =
- {
- sparc_num_regs,
- /* No regmap needs to be provided since this impl. doesn't use
+static struct usrregs_info sparc_usrregs_info
+ = { sparc_num_regs,
+ /* No regmap needs to be provided since this impl. doesn't use
USRREGS. */
- NULL
- };
-
-static struct regs_info myregs_info =
- {
- NULL, /* regset_bitmap */
- &sparc_usrregs_info,
- &sparc_regsets_info
- };
+ NULL };
+
+static struct regs_info myregs_info
+ = { NULL, /* regset_bitmap */
+ &sparc_usrregs_info, &sparc_regsets_info };
const regs_info *
sparc_target::get_regs_info ()
generated by cgit v1.1 at 2024-07-10 13:23:07 +0000