* hppa-hpux-tdep.c: Include "regset.h".
(HPPA_HPUX_SS_WIDEREGS, HPPA_HPUX_SS_FLAGS_OFFSET) (HPPA_HPUX_SS_NARROW_OFFSET, HPPA_HPUX_SS_FPBLOCK_OFFSET) (HPPA_HPUX_SS_WIDE_OFFSET, HPPA_HPUX_SAVE_STATE_SIZE) (HPPA_HPUX_PA89_SAVE_STATE_SIZE): New defines. (hppa_hpux_supply_ss_narrow, hppa_hpux_supply_ss_fpblock) (hppa_hpux_supply_ss_wide, hppa_hpux_supply_save_state): New functions. (hppa_hpux_regset): New variable. (hppa_hpux_regset_from_core_section): New function. (hppa_hpux_init_abi): Set regset_from_core_section. (hppa_hpux_core_osabi_sniffer): New function. (_initialize_hppa_hpux_tdep): Register hppa_hpux_core_osabi_sniffer. * Makefile.in (hppa-hpux-tdep.o): Update dependencies. * config/pa/hppahpux.mt (TDEPFILES): Add corelow.o.
This commit is contained in:
Mark Kettenis
parent
5922e7530e
commit
08d5305588
4 changed files with 188 additions and 6 deletions
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@ -1,3 +1,22 @@
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2004-12-09 Mark Kettenis <kettenis@gnu.org>
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* hppa-hpux-tdep.c: Include "regset.h".
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(HPPA_HPUX_SS_WIDEREGS, HPPA_HPUX_SS_FLAGS_OFFSET)
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(HPPA_HPUX_SS_NARROW_OFFSET, HPPA_HPUX_SS_FPBLOCK_OFFSET)
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(HPPA_HPUX_SS_WIDE_OFFSET, HPPA_HPUX_SAVE_STATE_SIZE)
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(HPPA_HPUX_PA89_SAVE_STATE_SIZE): New defines.
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(hppa_hpux_supply_ss_narrow, hppa_hpux_supply_ss_fpblock)
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(hppa_hpux_supply_ss_wide, hppa_hpux_supply_save_state): New
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functions.
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(hppa_hpux_regset): New variable.
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(hppa_hpux_regset_from_core_section): New function.
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(hppa_hpux_init_abi): Set regset_from_core_section.
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(hppa_hpux_core_osabi_sniffer): New function.
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(_initialize_hppa_hpux_tdep): Register
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hppa_hpux_core_osabi_sniffer.
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* Makefile.in (hppa-hpux-tdep.o): Update dependencies.
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* config/pa/hppahpux.mt (TDEPFILES): Add corelow.o.
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2004-12-09 Randolph Chung <tausq@debian.org>
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* solib-pa64.c (pa64_relocate_section_addresses): Properly relocate
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@ -1975,9 +1975,9 @@ hppa-hpux-nat.o: hppa-hpux-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
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$(target_h) $(gdb_assert_h) $(hppa_tdep_h) $(inf_ptrace_h) \
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$(inf_ttrace_h)
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hppa-hpux-tdep.o: hppa-hpux-tdep.c $(defs_h) $(arch_utils_h) $(gdbcore_h) \
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$(osabi_h) $(gdb_string_h) $(frame_h) $(frame_unwind_h) \
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$(trad_frame_h) $(symtab_h) $(objfiles_h) $(inferior_h) $(infcall_h) \
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$(observer_h) $(hppa_tdep_h)
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$(osabi_h) $(frame_h) $(frame_unwind_h) $(trad_frame_h) $(symtab_h) \
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$(objfiles_h) $(inferior_h) $(infcall_h) $(observer_h) $(regset_h) \
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$(gdb_string_h) $(hppa_tdep_h)
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hppa-linux-nat.o: hppa-linux-nat.c $(defs_h) $(gdbcore_h) $(regcache_h) \
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$(gdb_string_h) $(inferior_h) $(hppa_tdep_h) $(gregset_h)
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hppa-linux-tdep.o: hppa-linux-tdep.c $(defs_h) $(gdbcore_h) $(osabi_h) \
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@ -1,4 +1,4 @@
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# Target: HP PA-RISC running hpux
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MT_CFLAGS = -DPA_SOM_ONLY=1
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TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o somread.o hpread.o somsolib.o
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TDEPFILES= hppa-tdep.o hppa-hpux-tdep.o corelow.o somread.o hpread.o somsolib.o
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DEPRECATED_TM_FILE= tm-hppah.h
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@ -23,7 +23,6 @@
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#include "arch-utils.h"
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#include "gdbcore.h"
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#include "osabi.h"
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#include "gdb_string.h"
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#include "frame.h"
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#include "frame-unwind.h"
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#include "trad-frame.h"
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@ -32,11 +31,15 @@
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#include "inferior.h"
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#include "infcall.h"
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#include "observer.h"
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#include "hppa-tdep.h"
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#include "regset.h"
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#include "gdb_string.h"
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#include <dl.h>
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#include <machine/save_state.h>
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#include "hppa-tdep.h"
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#ifndef offsetof
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#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
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#endif
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@ -1417,6 +1420,148 @@ hppa_hpux_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
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}
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/* Bit in the `ss_flag' member of `struct save_state' that indicates
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that the 64-bit register values are live. From
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<machine/save_state.h>. */
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#define HPPA_HPUX_SS_WIDEREGS 0x40
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/* Offsets of various parts of `struct save_state'. From
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<machine/save_state.h>. */
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#define HPPA_HPUX_SS_FLAGS_OFFSET 0
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#define HPPA_HPUX_SS_NARROW_OFFSET 4
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#define HPPA_HPUX_SS_FPBLOCK_OFFSET 256
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#define HPPA_HPUX_SS_WIDE_OFFSET 640
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/* The size of `struct save_state. */
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#define HPPA_HPUX_SAVE_STATE_SIZE 1152
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/* The size of `struct pa89_save_state', which corresponds to PA-RISC
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1.1, the lowest common denominator that we support. */
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#define HPPA_HPUX_PA89_SAVE_STATE_SIZE 512
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static void
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hppa_hpux_supply_ss_narrow (struct regcache *regcache,
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int regnum, const char *save_state)
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{
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const char *ss_narrow = save_state + HPPA_HPUX_SS_NARROW_OFFSET;
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int i, offset = 0;
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for (i = HPPA_R1_REGNUM; i < HPPA_FP0_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, ss_narrow + offset);
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offset += 4;
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}
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}
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static void
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hppa_hpux_supply_ss_fpblock (struct regcache *regcache,
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int regnum, const char *save_state)
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{
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const char *ss_fpblock = save_state + HPPA_HPUX_SS_FPBLOCK_OFFSET;
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int i, offset = 0;
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/* FIXME: We view the floating-point state as 64 single-precision
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registers for 32-bit code, and 32 double-precision register for
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64-bit code. This distinction is artificial and should be
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eliminated. If that ever happens, we should remove the if-clause
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below. */
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if (register_size (get_regcache_arch (regcache), HPPA_FP0_REGNUM) == 4)
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{
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for (i = HPPA_FP0_REGNUM; i < HPPA_FP0_REGNUM + 64; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, ss_fpblock + offset);
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offset += 4;
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}
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}
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else
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{
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for (i = HPPA_FP0_REGNUM; i < HPPA_FP0_REGNUM + 32; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, ss_fpblock + offset);
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offset += 8;
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}
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}
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}
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static void
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hppa_hpux_supply_ss_wide (struct regcache *regcache,
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int regnum, const char *save_state)
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{
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const char *ss_wide = save_state + HPPA_HPUX_SS_WIDE_OFFSET;
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int i, offset = 8;
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if (register_size (get_regcache_arch (regcache), HPPA_R1_REGNUM) == 4)
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offset += 4;
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for (i = HPPA_R1_REGNUM; i < HPPA_FP0_REGNUM; i++)
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{
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if (regnum == i || regnum == -1)
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regcache_raw_supply (regcache, i, ss_wide + offset);
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offset += 8;
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}
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}
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static void
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hppa_hpux_supply_save_state (const struct regset *regset,
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struct regcache *regcache,
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int regnum, const void *regs, size_t len)
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{
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const char *proc_info = regs;
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const char *save_state = proc_info + 8;
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ULONGEST flags;
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flags = extract_unsigned_integer (save_state + HPPA_HPUX_SS_FLAGS_OFFSET, 4);
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if (regnum == -1 || regnum == HPPA_FLAGS_REGNUM)
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{
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struct gdbarch *arch = get_regcache_arch (regcache);
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size_t size = register_size (arch, HPPA_FLAGS_REGNUM);
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char buf[8];
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store_unsigned_integer (buf, size, flags);
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regcache_raw_supply (regcache, HPPA_FLAGS_REGNUM, buf);
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}
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/* If the SS_WIDEREGS flag is set, we really do need the full
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`struct save_state'. */
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if (flags & HPPA_HPUX_SS_WIDEREGS && len < HPPA_HPUX_SAVE_STATE_SIZE)
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error ("Register set contents too small");
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if (flags & HPPA_HPUX_SS_WIDEREGS)
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hppa_hpux_supply_ss_wide (regcache, regnum, save_state);
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else
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hppa_hpux_supply_ss_narrow (regcache, regnum, save_state);
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hppa_hpux_supply_ss_fpblock (regcache, regnum, save_state);
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}
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/* HP-UX register set. */
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static struct regset hppa_hpux_regset =
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{
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NULL,
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hppa_hpux_supply_save_state
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};
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static const struct regset *
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hppa_hpux_regset_from_core_section (struct gdbarch *gdbarch,
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const char *sect_name, size_t sect_size)
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{
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if (strcmp (sect_name, ".reg") == 0
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&& sect_size >= HPPA_HPUX_PA89_SAVE_STATE_SIZE + 8)
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return &hppa_hpux_regset;
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return NULL;
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}
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/* Bit in the `ss_flag' member of `struct save_state' that indicates
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the state was saved from a system call. From
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<machine/save_state.h>. */
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@ -1532,6 +1677,9 @@ hppa_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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set_gdbarch_write_pc (gdbarch, hppa_hpux_write_pc);
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set_gdbarch_unwind_pc (gdbarch, hppa_hpux_unwind_pc);
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set_gdbarch_regset_from_core_section
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(gdbarch, hppa_hpux_regset_from_core_section);
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frame_unwind_append_sniffer (gdbarch, hppa_hpux_sigtramp_unwind_sniffer);
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observer_attach_inferior_created (hppa_hpux_inferior_created);
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@ -1557,9 +1705,24 @@ hppa_hpux_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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hppa_hpux_init_abi (info, gdbarch);
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}
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static enum gdb_osabi
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hppa_hpux_core_osabi_sniffer (bfd *abfd)
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{
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if (strcmp (bfd_get_target (abfd), "hpux-core") == 0)
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return GDB_OSABI_HPUX_SOM;
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return GDB_OSABI_UNKNOWN;
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}
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void
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_initialize_hppa_hpux_tdep (void)
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{
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/* BFD doesn't set a flavour for HP-UX style core files. It doesn't
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set the architecture either. */
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gdbarch_register_osabi_sniffer (bfd_arch_unknown,
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bfd_target_unknown_flavour,
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hppa_hpux_core_osabi_sniffer);
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gdbarch_register_osabi (bfd_arch_hppa, 0, GDB_OSABI_HPUX_SOM,
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hppa_hpux_som_init_abi);
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gdbarch_register_osabi (bfd_arch_hppa, bfd_mach_hppa20w, GDB_OSABI_HPUX_ELF,
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