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Diffstat (limited to 'gdb/ia64-hpux-nat.c')
| -rw-r--r-- | gdb/ia64-hpux-nat.c | 756 |
1 files changed, 0 insertions, 756 deletions
diff --git a/gdb/ia64-hpux-nat.c b/gdb/ia64-hpux-nat.c deleted file mode 100644 index 67b5854..0000000 --- a/gdb/ia64-hpux-nat.c +++ /dev/null @@ -1,756 +0,0 @@ -/* Copyright (C) 2010-2015 Free Software Foundation, Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -#include "defs.h" -#include "ia64-tdep.h" -#include "inferior.h" -#include "inf-ttrace.h" -#include "regcache.h" -#include "solib-ia64-hpux.h" - -#include <ia64/sys/uregs.h> -#include <sys/ttrace.h> - -/* The offsets used with ttrace to read the value of the raw registers. */ - -static int u_offsets[] = -{ /* Static General Registers. */ - -1, __r1, __r2, __r3, __r4, __r5, __r6, __r7, - __r8, __r9, __r10, __r11, __r12, __r13, __r14, __r15, - __r16, __r17, __r18, __r19, __r20, __r21, __r22, __r23, - __r24, __r25, __r26, __r27, __r28, __r29, __r30, __r31, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - - /* Static Floating-Point Registers. */ - -1, -1, __f2, __f3, __f4, __f5, __f6, __f7, - __f8, __f9, __f10, __f11, __f12, __f13, __f14, __f15, - __f16, __f17, __f18, __f19, __f20, __f21, __f22, __f23, - __f24, __f25, __f26, __f27, __f28, __f29, __f30, __f31, - __f32, __f33, __f34, __f35, __f36, __f37, __f38, __f39, - __f40, __f41, __f42, __f43, __f44, __f45, __f46, __f47, - __f48, __f49, __f50, __f51, __f52, __f53, __f54, __f55, - __f56, __f57, __f58, __f59, __f60, __f61, __f62, __f63, - __f64, __f65, __f66, __f67, __f68, __f69, __f70, __f71, - __f72, __f73, __f74, __f75, __f76, __f77, __f78, __f79, - __f80, __f81, __f82, __f83, __f84, __f85, __f86, __f87, - __f88, __f89, __f90, __f91, __f92, __f93, __f94, __f95, - __f96, __f97, __f98, __f99, __f100, __f101, __f102, __f103, - __f104, __f105, __f106, __f107, __f108, __f109, __f110, __f111, - __f112, __f113, __f114, __f115, __f116, __f117, __f118, __f119, - __f120, __f121, __f122, __f123, __f124, __f125, __f126, __f127, - - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - - /* Branch Registers. */ - __b0, __b1, __b2, __b3, __b4, __b5, __b6, __b7, - - /* Virtual frame pointer and virtual return address pointer. */ - -1, -1, - - /* Other registers. */ - __pr, __ip, __cr_ipsr, __cfm, - - /* Kernel registers. */ - -1, -1, -1, -1, - -1, -1, -1, -1, - - -1, -1, -1, -1, -1, -1, -1, -1, - - /* Some application registers. */ - __ar_rsc, __ar_bsp, __ar_bspstore, __ar_rnat, - - -1, - -1, /* Not available: FCR, IA32 floating control register. */ - -1, -1, - - -1, /* Not available: EFLAG. */ - -1, /* Not available: CSD. */ - -1, /* Not available: SSD. */ - -1, /* Not available: CFLG. */ - -1, /* Not available: FSR. */ - -1, /* Not available: FIR. */ - -1, /* Not available: FDR. */ - -1, - __ar_ccv, -1, -1, -1, __ar_unat, -1, -1, -1, - __ar_fpsr, -1, -1, -1, - -1, /* Not available: ITC. */ - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, - __ar_pfs, __ar_lc, __ar_ec, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1 - /* All following registers, starting with nat0, are handled as - pseudo registers, and hence are handled separately. */ -}; - -/* Some register have a fixed value and can not be modified. - Store their value in static constant buffers that can be used - later to fill the register cache. */ -static const char r0_value[8] = {0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00}; -static const char f0_value[16] = {0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00}; -static const char f1_value[16] = {0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0xff, 0xff, - 0x80, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00}; - -/* The "to_wait" routine from the "inf-ttrace" layer. */ - -static ptid_t (*super_to_wait) (struct target_ops *, ptid_t, - struct target_waitstatus *, int); - -/* The "to_wait" target_ops routine routine for ia64-hpux. */ - -static ptid_t -ia64_hpux_wait (struct target_ops *ops, ptid_t ptid, - struct target_waitstatus *ourstatus, int options) -{ - ptid_t new_ptid; - - new_ptid = super_to_wait (ops, ptid, ourstatus, options); - - /* If this is a DLD event (hard-coded breakpoint instruction - that was activated by the solib-ia64-hpux module), we need to - process it, and then resume the execution as if the event did - not happen. */ - if (ourstatus->kind == TARGET_WAITKIND_STOPPED - && ourstatus->value.sig == GDB_SIGNAL_TRAP - && ia64_hpux_at_dld_breakpoint_p (new_ptid)) - { - ia64_hpux_handle_dld_breakpoint (new_ptid); - - target_resume (new_ptid, 0, GDB_SIGNAL_0); - ourstatus->kind = TARGET_WAITKIND_IGNORE; - } - - return new_ptid; -} - -/* Fetch the RNAT register and supply it to the REGCACHE. */ - -static void -ia64_hpux_fetch_rnat_register (struct regcache *regcache) -{ - CORE_ADDR addr; - gdb_byte buf[8]; - int status; - - /* The value of RNAT is stored at bsp|0x1f8, and must be read using - TT_LWP_RDRSEBS. */ - - regcache_raw_read_unsigned (regcache, IA64_BSP_REGNUM, &addr); - addr |= 0x1f8; - - status = ttrace (TT_LWP_RDRSEBS, ptid_get_pid (inferior_ptid), - ptid_get_lwp (inferior_ptid), addr, sizeof (buf), - (uintptr_t) buf); - if (status < 0) - error (_("failed to read RNAT register at %s"), - paddress (get_regcache_arch(regcache), addr)); - - regcache_raw_supply (regcache, IA64_RNAT_REGNUM, buf); -} - -/* Read the value of the register saved at OFFSET in the save_state_t - structure, and store its value in BUF. LEN is the size of the register - to be read. */ - -static int -ia64_hpux_read_register_from_save_state_t (int offset, gdb_byte *buf, int len) -{ - int status; - - status = ttrace (TT_LWP_RUREGS, ptid_get_pid (inferior_ptid), - ptid_get_lwp (inferior_ptid), offset, len, (uintptr_t) buf); - - return status; -} - -/* Fetch register REGNUM from the inferior. */ - -static void -ia64_hpux_fetch_register (struct regcache *regcache, int regnum) -{ - struct gdbarch *gdbarch = get_regcache_arch (regcache); - int offset, len, status; - gdb_byte *buf; - - if (regnum == IA64_GR0_REGNUM) - { - /* r0 is always 0. */ - regcache_raw_supply (regcache, regnum, r0_value); - return; - } - - if (regnum == IA64_FR0_REGNUM) - { - /* f0 is always 0.0. */ - regcache_raw_supply (regcache, regnum, f0_value); - return; - } - - if (regnum == IA64_FR1_REGNUM) - { - /* f1 is always 1.0. */ - regcache_raw_supply (regcache, regnum, f1_value); - return; - } - - if (regnum == IA64_RNAT_REGNUM) - { - ia64_hpux_fetch_rnat_register (regcache); - return; - } - - /* Get the register location. If the register can not be fetched, - then return now. */ - offset = u_offsets[regnum]; - if (offset == -1) - return; - - len = register_size (gdbarch, regnum); - buf = alloca (len * sizeof (gdb_byte)); - status = ia64_hpux_read_register_from_save_state_t (offset, buf, len); - if (status < 0) - warning (_("Failed to read register value for %s."), - gdbarch_register_name (gdbarch, regnum)); - - regcache_raw_supply (regcache, regnum, buf); -} - -/* The "to_fetch_registers" target_ops routine for ia64-hpux. */ - -static void -ia64_hpux_fetch_registers (struct target_ops *ops, - struct regcache *regcache, int regnum) -{ - if (regnum == -1) - for (regnum = 0; - regnum < gdbarch_num_regs (get_regcache_arch (regcache)); - regnum++) - ia64_hpux_fetch_register (regcache, regnum); - else - ia64_hpux_fetch_register (regcache, regnum); -} - -/* Save register REGNUM (stored in BUF) in the save_state_t structure. - LEN is the size of the register in bytes. - - Return the value from the corresponding ttrace call (a negative value - means that the operation failed). */ - -static int -ia64_hpux_write_register_to_saved_state_t (int offset, gdb_byte *buf, int len) -{ - return ttrace (TT_LWP_WUREGS, ptid_get_pid (inferior_ptid), - ptid_get_lwp (inferior_ptid), offset, len, (uintptr_t) buf); -} - -/* Store register REGNUM into the inferior. */ - -static void -ia64_hpux_store_register (const struct regcache *regcache, int regnum) -{ - struct gdbarch *gdbarch = get_regcache_arch (regcache); - int offset = u_offsets[regnum]; - gdb_byte *buf; - int len, status; - - /* If the register can not be stored, then return now. */ - if (offset == -1) - return; - - /* I don't know how to store that register for now. So just ignore any - request to store it, to avoid an internal error. */ - if (regnum == IA64_PSR_REGNUM) - return; - - len = register_size (gdbarch, regnum); - buf = alloca (len * sizeof (gdb_byte)); - regcache_raw_collect (regcache, regnum, buf); - - status = ia64_hpux_write_register_to_saved_state_t (offset, buf, len); - - if (status < 0) - error (_("failed to write register value for %s."), - gdbarch_register_name (gdbarch, regnum)); -} - -/* The "to_store_registers" target_ops routine for ia64-hpux. */ - -static void -ia64_hpux_store_registers (struct target_ops *ops, - struct regcache *regcache, int regnum) -{ - if (regnum == -1) - for (regnum = 0; - regnum < gdbarch_num_regs (get_regcache_arch (regcache)); - regnum++) - ia64_hpux_store_register (regcache, regnum); - else - ia64_hpux_store_register (regcache, regnum); -} - -/* The "xfer_partial" routine from the "inf-ttrace" target layer. - Ideally, we would like to use this routine for all transfer - requests, but this platforms has a lot of special cases that - need to be handled manually. So we override this routine and - delegate back if we detect that we are not in a special case. */ - -static target_xfer_partial_ftype *super_xfer_partial; - -/* The "xfer_partial" routine for a memory region that is completely - outside of the backing-store region. */ - -static enum target_xfer_status -ia64_hpux_xfer_memory_no_bs (struct target_ops *ops, const char *annex, - gdb_byte *readbuf, const gdb_byte *writebuf, - CORE_ADDR addr, LONGEST len, - ULONGEST *xfered_len) -{ - /* Memory writes need to be aligned on 16byte boundaries, at least - when writing in the text section. On the other hand, the size - of the buffer does not need to be a multiple of 16bytes. - - No such restriction when performing memory reads. */ - - if (writebuf && addr & 0x0f) - { - const CORE_ADDR aligned_addr = addr & ~0x0f; - const int aligned_len = len + (addr - aligned_addr); - gdb_byte *aligned_buf = alloca (aligned_len * sizeof (gdb_byte)); - LONGEST status; - - /* Read the portion of memory between ALIGNED_ADDR and ADDR, so - that we can write it back during our aligned memory write. */ - status = super_xfer_partial (ops, TARGET_OBJECT_MEMORY, annex, - aligned_buf /* read */, - NULL /* write */, - aligned_addr, addr - aligned_addr); - if (status <= 0) - return TARGET_XFER_EOF; - memcpy (aligned_buf + (addr - aligned_addr), writebuf, len); - - return super_xfer_partial (ops, TARGET_OBJECT_MEMORY, annex, - NULL /* read */, aligned_buf /* write */, - aligned_addr, aligned_len, xfered_len); - } - else - /* Memory read or properly aligned memory write. */ - return super_xfer_partial (ops, TARGET_OBJECT_MEMORY, annex, readbuf, - writebuf, addr, len, xfered_len); -} - -/* Read LEN bytes at ADDR from memory, and store it in BUF. This memory - region is assumed to be inside the backing store. - - Return zero if the operation failed. */ - -static int -ia64_hpux_read_memory_bs (gdb_byte *buf, CORE_ADDR addr, int len) -{ - gdb_byte tmp_buf[8]; - CORE_ADDR tmp_addr = addr & ~0x7; - - while (tmp_addr < addr + len) - { - int status; - int skip_lo = 0; - int skip_hi = 0; - - status = ttrace (TT_LWP_RDRSEBS, ptid_get_pid (inferior_ptid), - ptid_get_lwp (inferior_ptid), tmp_addr, - sizeof (tmp_buf), (uintptr_t) tmp_buf); - if (status < 0) - return 0; - - if (tmp_addr < addr) - skip_lo = addr - tmp_addr; - - if (tmp_addr + sizeof (tmp_buf) > addr + len) - skip_hi = (tmp_addr + sizeof (tmp_buf)) - (addr + len); - - memcpy (buf + (tmp_addr + skip_lo - addr), - tmp_buf + skip_lo, - sizeof (tmp_buf) - skip_lo - skip_hi); - - tmp_addr += sizeof (tmp_buf); - } - - return 1; -} - -/* Write LEN bytes from BUF in memory at ADDR. This memory region is assumed - to be inside the backing store. - - Return zero if the operation failed. */ - -static int -ia64_hpux_write_memory_bs (const gdb_byte *buf, CORE_ADDR addr, int len) -{ - gdb_byte tmp_buf[8]; - CORE_ADDR tmp_addr = addr & ~0x7; - - while (tmp_addr < addr + len) - { - int status; - int lo = 0; - int hi = 7; - - if (tmp_addr < addr || tmp_addr + sizeof (tmp_buf) > addr + len) - /* Part of the 8byte region pointed by tmp_addr needs to be preserved. - So read it in before we copy the data that needs to be changed. */ - if (!ia64_hpux_read_memory_bs (tmp_buf, tmp_addr, sizeof (tmp_buf))) - return 0; - - if (tmp_addr < addr) - lo = addr - tmp_addr; - - if (tmp_addr + sizeof (tmp_buf) > addr + len) - hi = addr - tmp_addr + len - 1; - - memcpy (tmp_buf + lo, buf + tmp_addr - addr + lo, hi - lo + 1); - - status = ttrace (TT_LWP_WRRSEBS, ptid_get_pid (inferior_ptid), - ptid_get_lwp (inferior_ptid), tmp_addr, - sizeof (tmp_buf), (uintptr_t) tmp_buf); - if (status < 0) - return 0; - - tmp_addr += sizeof (tmp_buf); - } - - return 1; -} - -/* The "xfer_partial" routine for a memory region that is completely - inside of the backing-store region. */ - -static LONGEST -ia64_hpux_xfer_memory_bs (struct target_ops *ops, const char *annex, - gdb_byte *readbuf, const gdb_byte *writebuf, - CORE_ADDR addr, LONGEST len) -{ - int success; - - if (readbuf) - success = ia64_hpux_read_memory_bs (readbuf, addr, len); - else - success = ia64_hpux_write_memory_bs (writebuf, addr, len); - - if (success) - return len; - else - return 0; -} - -/* Get a register value as a unsigned value directly from the system, - instead of going through the regcache. - - This function is meant to be used when inferior_ptid is not - a thread/process known to GDB. */ - -static ULONGEST -ia64_hpux_get_register_from_save_state_t (int regnum, int reg_size) -{ - gdb_byte *buf = alloca (reg_size); - int offset = u_offsets[regnum]; - int status; - - /* The register is assumed to be available for fetching. */ - gdb_assert (offset != -1); - - status = ia64_hpux_read_register_from_save_state_t (offset, buf, reg_size); - if (status < 0) - { - /* This really should not happen. If it does, emit a warning - and pretend the register value is zero. Not exactly the best - error recovery mechanism, but better than nothing. We will - try to do better if we can demonstrate that this can happen - under normal circumstances. */ - warning (_("Failed to read value of register number %d."), regnum); - return 0; - } - - return extract_unsigned_integer (buf, reg_size, BFD_ENDIAN_BIG); -} - -/* The "xfer_partial" target_ops routine for ia64-hpux, in the case - where the requested object is TARGET_OBJECT_MEMORY. */ - -static enum target_xfer_status -ia64_hpux_xfer_memory (struct target_ops *ops, const char *annex, - gdb_byte *readbuf, const gdb_byte *writebuf, - CORE_ADDR addr, ULONGEST len, ULONGEST *xfered_len) -{ - CORE_ADDR bsp, bspstore; - CORE_ADDR start_addr, short_len; - int status = 0; - - /* The back-store region cannot be read/written by the standard memory - read/write operations. So we handle the memory region piecemeal: - (1) and (2) The regions before and after the backing-store region, - which can be treated as normal memory; - (3) The region inside the backing-store, which needs to be - read/written specially. */ - - if (in_inferior_list (ptid_get_pid (inferior_ptid))) - { - struct regcache *regcache = get_current_regcache (); - - regcache_raw_read_unsigned (regcache, IA64_BSP_REGNUM, &bsp); - regcache_raw_read_unsigned (regcache, IA64_BSPSTORE_REGNUM, &bspstore); - } - else - { - /* This is probably a child of our inferior created by a fork. - Because this process has not been added to our inferior list - (we are probably in the process of handling that child - process), we do not have a regcache to read the registers - from. So get those values directly from the kernel. */ - bsp = ia64_hpux_get_register_from_save_state_t (IA64_BSP_REGNUM, 8); - bspstore = - ia64_hpux_get_register_from_save_state_t (IA64_BSPSTORE_REGNUM, 8); - } - - /* 1. Memory region before BSPSTORE. */ - - if (addr < bspstore) - { - short_len = len; - if (addr + len > bspstore) - short_len = bspstore - addr; - - status = ia64_hpux_xfer_memory_no_bs (ops, annex, readbuf, writebuf, - addr, short_len); - if (status <= 0) - return TARGET_XFER_EOF; - } - - /* 2. Memory region after BSP. */ - - if (addr + len > bsp) - { - start_addr = addr; - if (start_addr < bsp) - start_addr = bsp; - short_len = len + addr - start_addr; - - status = ia64_hpux_xfer_memory_no_bs - (ops, annex, - readbuf ? readbuf + (start_addr - addr) : NULL, - writebuf ? writebuf + (start_addr - addr) : NULL, - start_addr, short_len); - if (status <= 0) - return TARGET_XFER_EOF; - } - - /* 3. Memory region between BSPSTORE and BSP. */ - - if (bspstore != bsp - && ((addr < bspstore && addr + len > bspstore) - || (addr + len <= bsp && addr + len > bsp))) - { - start_addr = addr; - if (addr < bspstore) - start_addr = bspstore; - short_len = len + addr - start_addr; - - if (start_addr + short_len > bsp) - short_len = bsp - start_addr; - - gdb_assert (short_len > 0); - - status = ia64_hpux_xfer_memory_bs - (ops, annex, - readbuf ? readbuf + (start_addr - addr) : NULL, - writebuf ? writebuf + (start_addr - addr) : NULL, - start_addr, short_len); - if (status < 0) - return TARGET_XFER_EOF; - } - - *xfered_len = len; - return TARGET_XFER_OK; -} - -/* Handle the transfer of TARGET_OBJECT_HPUX_UREGS objects on ia64-hpux. - ANNEX is currently ignored. - - The current implementation does not support write transfers (because - we do not currently do not need these transfers), and will raise - a failed assertion if WRITEBUF is not NULL. */ - -static enum target_xfer_status -ia64_hpux_xfer_uregs (struct target_ops *ops, const char *annex, - gdb_byte *readbuf, const gdb_byte *writebuf, - ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) -{ - int status; - - gdb_assert (writebuf == NULL); - - status = ia64_hpux_read_register_from_save_state_t (offset, readbuf, len); - if (status < 0) - return TARGET_XFER_E_IO; - - *xfered_len = (ULONGEST) len; - return TARGET_XFER_OK; -} - -/* Handle the transfer of TARGET_OBJECT_HPUX_SOLIB_GOT objects on ia64-hpux. - - The current implementation does not support write transfers (because - we do not currently do not need these transfers), and will raise - a failed assertion if WRITEBUF is not NULL. */ - -static enum target_xfer_status -ia64_hpux_xfer_solib_got (struct target_ops *ops, const char *annex, - gdb_byte *readbuf, const gdb_byte *writebuf, - ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) -{ - CORE_ADDR fun_addr; - /* The linkage pointer. We use a uint64_t to make sure that the size - of the object we are returning is always 64 bits long, as explained - in the description of the TARGET_OBJECT_HPUX_SOLIB_GOT object. - This is probably paranoia, but we do not use a CORE_ADDR because - it could conceivably be larger than uint64_t. */ - uint64_t got; - - gdb_assert (writebuf == NULL); - - if (offset > sizeof (got)) - return TARGET_XFER_EOF; - - fun_addr = string_to_core_addr (annex); - got = ia64_hpux_get_solib_linkage_addr (fun_addr); - - if (len > sizeof (got) - offset) - len = sizeof (got) - offset; - memcpy (readbuf, &got + offset, len); - - *xfered_len = (ULONGEST) len; - return TARGET_XFER_OK; -} - -/* The "to_xfer_partial" target_ops routine for ia64-hpux. */ - -static enum target_xfer_status -ia64_hpux_xfer_partial (struct target_ops *ops, enum target_object object, - const char *annex, gdb_byte *readbuf, - const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, - ULONGEST *xfered_len) -{ - enum target_xfer_status val; - - if (object == TARGET_OBJECT_MEMORY) - val = ia64_hpux_xfer_memory (ops, annex, readbuf, writebuf, offset, len, - xfered_len); - else if (object == TARGET_OBJECT_HPUX_UREGS) - val = ia64_hpux_xfer_uregs (ops, annex, readbuf, writebuf, offset, len, - xfered_len); - else if (object == TARGET_OBJECT_HPUX_SOLIB_GOT) - val = ia64_hpux_xfer_solib_got (ops, annex, readbuf, writebuf, offset, - len, xfered_len); - else - val = super_xfer_partial (ops, object, annex, readbuf, writebuf, offset, - len, xfered_len); - - return val; -} - -/* The "to_can_use_hw_breakpoint" target_ops routine for ia64-hpux. */ - -static int -ia64_hpux_can_use_hw_breakpoint (struct target_ops *self, - int type, int cnt, int othertype) -{ - /* No hardware watchpoint/breakpoint support yet. */ - return 0; -} - -/* The "to_mourn_inferior" routine from the "inf-ttrace" target_ops layer. */ - -static void (*super_mourn_inferior) (struct target_ops *); - -/* The "to_mourn_inferior" target_ops routine for ia64-hpux. */ - -static void -ia64_hpux_mourn_inferior (struct target_ops *ops) -{ - const int pid = ptid_get_pid (inferior_ptid); - int status; - - super_mourn_inferior (ops); - - /* On this platform, the process still exists even after we received - an exit event. Detaching from the process isn't sufficient either, - as it only turns the process into a zombie. So the only solution - we found is to kill it. */ - ttrace (TT_PROC_EXIT, pid, 0, 0, 0, 0); - wait (&status); -} - -/* Prevent warning from -Wmissing-prototypes. */ -void _initialize_ia64_hpux_nat (void); - -void -_initialize_ia64_hpux_nat (void) -{ - struct target_ops *t; - - t = inf_ttrace_target (); - super_to_wait = t->to_wait; - super_xfer_partial = t->to_xfer_partial; - super_mourn_inferior = t->to_mourn_inferior; - - t->to_wait = ia64_hpux_wait; - t->to_fetch_registers = ia64_hpux_fetch_registers; - t->to_store_registers = ia64_hpux_store_registers; - t->to_xfer_partial = ia64_hpux_xfer_partial; - t->to_can_use_hw_breakpoint = ia64_hpux_can_use_hw_breakpoint; - t->to_mourn_inferior = ia64_hpux_mourn_inferior; - t->to_attach_no_wait = 1; - - add_target (t); -} |