diff options
author | Ulrich Weigand <uweigand@de.ibm.com> | 2007-04-26 00:13:12 +0000 |
---|---|---|
committer | Ulrich Weigand <uweigand@de.ibm.com> | 2007-04-26 00:13:12 +0000 |
commit | b02f9d57327dbea7322242fb23f3040d5376acec (patch) | |
tree | 5e2d91e23bed37883ef76f62576ce26429ec4661 /gdb/alpha-linux-nat.c | |
parent | 4aee06340450257664f7d8300c6eb9b0bb43fd5f (diff) | |
download | gdb-b02f9d57327dbea7322242fb23f3040d5376acec.zip gdb-b02f9d57327dbea7322242fb23f3040d5376acec.tar.gz gdb-b02f9d57327dbea7322242fb23f3040d5376acec.tar.bz2 |
* alpha-linux-tdep.c: Include "gdb_string.h", "regset.h",
and "regcache.h".
(alpha_linux_supply_gregset, alpha_linux_supply_fpregset): New.
(alpha_linux_gregset, alpha_linux_fpregset): New variables.
(alpha_linux_regset_from_core_section): New function.
(alpha_linux_init_abi): Install it.
* alpha-linux-nat.c: Do not include "gdbcore.h". Include
"alpha-tdep.h", <sys/ptrace.h>, <alpha/ptrace.h>,
<sys/procfs.h>, and "gregset.h".
(ALPHA_REGSET_BASE, ALPHA_REGSET_UNIQUE, ALPHA_UNIQUE_PTRACE_ADDR):
Move from config/alpha/nm-linux.h.
(supply_gregset, fill_gregset, supply_fpregset, fill_fpregset): Copy
from alpha-nat.c.
(alpha_linux_register_u_offset): Inline register_addr from alpha-nat.c.
* alpha-nat.c: Remove #ifdef __linux__ section.
(fetch_elf_core_registers, alpha_elf_core_fns): Remove.
(_initialize_core_alpha): Do not register alpha_elf_core_fns.
(ALPHA_UNIQUE_PTRACE_ADDR, ALPHA_REGSET_UNIQUE): Define unconditionally.
(ALPHA_REGSET_BASE): Move from config/alpha/nm-osf.h.
* config/alpha/alpha-linux.mh (NAT_FILE): Set to config/nm-linux.h.
(NATDEPFILES): Remove alpha-nat.o.
* config/alpha/nm-linux.h: Delete file.
* config/alpha/nm-osf.h (ALPHA_REGSET_BASE): Move to alpha-nat.c.
* Makefile.in (alpha-linux-nat.o): Update dependencies.
(alpha-linux-tdep.o): Likewise.
Diffstat (limited to 'gdb/alpha-linux-nat.c')
-rw-r--r-- | gdb/alpha-linux-nat.c | 80 |
1 files changed, 75 insertions, 5 deletions
diff --git a/gdb/alpha-linux-nat.c b/gdb/alpha-linux-nat.c index 0186a94..8307a69 100644 --- a/gdb/alpha-linux-nat.c +++ b/gdb/alpha-linux-nat.c @@ -21,15 +21,85 @@ #include "defs.h" #include "target.h" #include "linux-nat.h" -#include "gdbcore.h" + +#include "alpha-tdep.h" + +#include <sys/ptrace.h> +#include <alpha/ptrace.h> + +#include <sys/procfs.h> +#include "gregset.h" + +/* Given a pointer to either a gregset_t or fpregset_t, return a + pointer to the first register. */ +#define ALPHA_REGSET_BASE(regsetp) ((long *) (regsetp)) + +/* Given a pointer to a gregset_t, locate the UNIQUE value. */ +#define ALPHA_REGSET_UNIQUE(regsetp) ((long *)(regsetp) + 32) + +/* The address of UNIQUE for ptrace. */ +#define ALPHA_UNIQUE_PTRACE_ADDR 65 + + +/* + * See the comment in m68k-tdep.c regarding the utility of these functions. + */ + +void +supply_gregset (gdb_gregset_t *gregsetp) +{ + long *regp = ALPHA_REGSET_BASE (gregsetp); + void *unique = ALPHA_REGSET_UNIQUE (gregsetp); + + /* PC is in slot 32. */ + alpha_supply_int_regs (-1, regp, regp + 31, unique); +} + +void +fill_gregset (gdb_gregset_t *gregsetp, int regno) +{ + long *regp = ALPHA_REGSET_BASE (gregsetp); + void *unique = ALPHA_REGSET_UNIQUE (gregsetp); + + /* PC is in slot 32. */ + alpha_fill_int_regs (regno, regp, regp + 31, unique); +} + +/* + * Now we do the same thing for floating-point registers. + * Again, see the comments in m68k-tdep.c. + */ + +void +supply_fpregset (gdb_fpregset_t *fpregsetp) +{ + long *regp = ALPHA_REGSET_BASE (fpregsetp); + + /* FPCR is in slot 32. */ + alpha_supply_fp_regs (-1, regp, regp + 31); +} + +void +fill_fpregset (gdb_fpregset_t *fpregsetp, int regno) +{ + long *regp = ALPHA_REGSET_BASE (fpregsetp); + + /* FPCR is in slot 32. */ + alpha_fill_fp_regs (regno, regp, regp + 31); +} + static CORE_ADDR alpha_linux_register_u_offset (int regno) { - /* FIXME drow/2005-09-04: The hardcoded use of register_addr should go - away. This requires disentangling the various definitions of it - (particularly alpha-nat.c's). */ - return register_addr (regno, 0); + if (regno == PC_REGNUM) + return PC; + if (regno == ALPHA_UNIQUE_REGNUM) + return ALPHA_UNIQUE_PTRACE_ADDR; + if (regno < FP0_REGNUM) + return GPR_BASE + regno; + else + return FPR_BASE + regno - FP0_REGNUM; } void _initialialize_alpha_linux_nat (void); |