#define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
#endif
+#define IS_32BIT_TARGET(_gdbarch) \
+ ((gdbarch_tdep (_gdbarch))->bytes_per_address == 4)
+
/* Forward declarations. */
extern void _initialize_hppa_hpux_tdep (void);
extern initialize_file_ftype _initialize_hppa_hpux_tdep;
}
args_for_find_stub;
+static int
+in_opd_section (CORE_ADDR pc)
+{
+ struct obj_section *s;
+ int retval = 0;
+
+ s = find_pc_section (pc);
+
+ retval = (s != NULL
+ && s->the_bfd_section->name != NULL
+ && strcmp (s->the_bfd_section->name, ".opd") == 0);
+ return (retval);
+}
+
/* Return one if PC is in the call path of a trampoline, else return zero.
Note we return one for *any* call trampoline (long-call, arg-reloc), not
}
static CORE_ADDR
-hppa_hpux_som_find_global_pointer (struct value *function)
+hppa32_hpux_find_global_pointer (struct value *function)
{
CORE_ADDR faddr;
}
static CORE_ADDR
-hppa_hpux_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
- CORE_ADDR funcaddr, int using_gcc,
- struct value **args, int nargs,
- struct type *value_type,
- CORE_ADDR *real_pc, CORE_ADDR *bp_addr)
+hppa64_hpux_find_global_pointer (struct value *function)
{
- /* FIXME: tausq/2004-06-09: This needs much more testing. It is broken
- for pa64, but we should be able to get it to work with a little bit
- of work. gdb-6.1 has a lot of code to handle various cases; I've tried to
- simplify it and avoid compile-time conditionals. */
-
- /* On HPUX, functions in the main executable and in libraries can be located
- in different spaces. In order for us to be able to select the right
- space for the function call, we need to go through an instruction seqeunce
- to select the right space for the target function, call it, and then
- restore the space on return.
-
- There are two helper routines that can be used for this task -- if
- an application is linked with gcc, it will contain a __gcc_plt_call
- helper function. __gcc_plt_call, when passed the entry point of an
- import stub, will do the necessary space setting/restoration for the
- target function.
-
- For programs that are compiled/linked with the HP compiler, a similar
- function called __d_plt_call exists; __d_plt_call expects a PLABEL instead
- of an import stub as an argument.
-
- // *INDENT-OFF*
- To summarize, the call flow is:
- current function -> dummy frame -> __gcc_plt_call (import stub)
- -> target function
- or
- current function -> dummy frame -> __d_plt_call (plabel)
- -> target function
- // *INDENT-ON*
-
- In general the "funcaddr" argument passed to push_dummy_code is the actual
- entry point of the target function. For __gcc_plt_call, we need to
- locate the import stub for the corresponding function. Failing that,
- we construct a dummy "import stub" on the stack to pass as an argument.
- For __d_plt_call, we similarly synthesize a PLABEL on the stack to
- pass to the helper function.
-
- An additional twist is that, in order for us to restore the space register
- to its starting state, we need __gcc_plt_call/__d_plt_call to return
- to the instruction where we started the call. However, if we put
- the breakpoint there, gdb will complain because it will find two
- frames on the stack with the same (sp, pc) (with the dummy frame in
- between). Currently, we set the return pointer to (pc - 4) of the
- current function. FIXME: This is not an ideal solution; possibly if the
- current pc is at the beginning of a page, this will cause a page fault.
- Need to understand this better and figure out a better way to fix it. */
-
- struct minimal_symbol *sym;
-
- /* Nonzero if we will use GCC's PLT call routine. This routine must be
- passed an import stub, not a PLABEL. It is also necessary to get %r19
- before performing the call. (This is done by push_dummy_call.) */
- int use_gcc_plt_call = 1;
-
- /* See if __gcc_plt_call is available; if not we will use the HP version
- instead. */
- sym = lookup_minimal_symbol ("__gcc_plt_call", NULL, NULL);
- if (sym == NULL)
- use_gcc_plt_call = 0;
-
- /* If using __gcc_plt_call, we need to make sure we pass in an import
- stub. funcaddr can be pointing to an export stub or a real function,
- so we try to resolve it to the import stub. */
- if (use_gcc_plt_call)
+ CORE_ADDR faddr;
+ char buf[32];
+
+ faddr = value_as_address (function);
+
+ if (in_opd_section (faddr))
+ {
+ target_read_memory (faddr, buf, sizeof (buf));
+ return extract_unsigned_integer (&buf[24], 8);
+ }
+ else
{
- struct objfile *objfile;
- struct minimal_symbol *funsym, *stubsym;
- CORE_ADDR stubaddr = 0;
+ return gdbarch_tdep (current_gdbarch)->solib_get_got_by_pc (faddr);
+ }
+}
+
+static unsigned int ldsid_pattern[] = {
+ 0x000010a0, /* ldsid (rX),rY */
+ 0x00001820, /* mtsp rY,sr0 */
+ 0xe0000000 /* be,n (sr0,rX) */
+};
+
+static CORE_ADDR
+hppa_hpux_search_pattern (CORE_ADDR start, CORE_ADDR end,
+ unsigned int *patterns, int count)
+{
+ unsigned int *buf;
+ int offset, i;
+ int region, insns;
+
+ region = end - start + 4;
+ insns = region / 4;
+ buf = (unsigned int *) alloca (region);
- funsym = lookup_minimal_symbol_by_pc (funcaddr);
- if (!funsym)
- error ("Unable to find symbol for target function.\n");
+ read_memory (start, (char *) buf, region);
- ALL_OBJFILES (objfile)
+ for (i = 0; i < insns; i++)
+ buf[i] = extract_unsigned_integer (&buf[i], 4);
+
+ for (offset = 0; offset <= insns - count; offset++)
+ {
+ for (i = 0; i < count; i++)
{
- stubsym = lookup_minimal_symbol_solib_trampoline
- (SYMBOL_LINKAGE_NAME (funsym), objfile);
+ if ((buf[offset + i] & patterns[i]) != patterns[i])
+ break;
+ }
+ if (i == count)
+ break;
+ }
+
+ if (offset <= insns - count)
+ return start + offset * 4;
+ else
+ return 0;
+}
- if (stubsym)
- {
- struct unwind_table_entry *u;
+static CORE_ADDR
+hppa32_hpux_search_dummy_call_sequence (struct gdbarch *gdbarch, CORE_ADDR pc,
+ int *argreg)
+{
+ struct objfile *obj;
+ struct obj_section *sec;
+ struct hppa_objfile_private *priv;
+ struct frame_info *frame;
+ struct unwind_table_entry *u;
+ CORE_ADDR addr, rp;
+ char buf[4];
+ unsigned int insn;
+
+ sec = find_pc_section (pc);
+ obj = sec->objfile;
+ priv = objfile_data (obj, hppa_objfile_priv_data);
+
+ if (!priv)
+ priv = hppa_init_objfile_priv_data (obj);
+ if (!priv)
+ error ("Internal error creating objfile private data.\n");
+
+ /* Use the cached value if we have one. */
+ if (priv->dummy_call_sequence_addr != 0)
+ {
+ *argreg = priv->dummy_call_sequence_reg;
+ return priv->dummy_call_sequence_addr;
+ }
- u = find_unwind_entry (SYMBOL_VALUE (stubsym));
- if (u == NULL
- || (u->stub_unwind.stub_type != IMPORT
- && u->stub_unwind.stub_type != IMPORT_SHLIB))
- continue;
+ /* First try a heuristic; if we are in a shared library call, our return
+ pointer is likely to point at an export stub. */
+ frame = get_current_frame ();
+ rp = frame_unwind_register_unsigned (frame, 2);
+ u = find_unwind_entry (rp);
+ if (u && u->stub_unwind.stub_type == EXPORT)
+ {
+ addr = hppa_hpux_search_pattern (u->region_start, u->region_end,
+ ldsid_pattern,
+ ARRAY_SIZE (ldsid_pattern));
+ if (addr)
+ goto found_pattern;
+ }
- stubaddr = SYMBOL_VALUE (stubsym);
+ /* Next thing to try is to look for an export stub. */
+ if (priv->unwind_info)
+ {
+ int i;
- /* If we found an IMPORT stub, then we can stop searching;
- if we found an IMPORT_SHLIB, we want to continue the search
- in the hopes that we will find an IMPORT stub. */
- if (u->stub_unwind.stub_type == IMPORT)
- break;
+ for (i = 0; i < priv->unwind_info->last; i++)
+ {
+ struct unwind_table_entry *u;
+ u = &priv->unwind_info->table[i];
+ if (u->stub_unwind.stub_type == EXPORT)
+ {
+ addr = hppa_hpux_search_pattern (u->region_start, u->region_end,
+ ldsid_pattern,
+ ARRAY_SIZE (ldsid_pattern));
+ if (addr)
+ {
+ goto found_pattern;
+ }
}
}
+ }
- if (stubaddr != 0)
+ /* Finally, if this is the main executable, try to locate a sequence
+ from noshlibs */
+ addr = hppa_symbol_address ("noshlibs");
+ sec = find_pc_section (addr);
+
+ if (sec && sec->objfile == obj)
+ {
+ CORE_ADDR start, end;
+
+ find_pc_partial_function (addr, NULL, &start, &end);
+ if (start != 0 && end != 0)
{
- /* Argument to __gcc_plt_call is passed in r22. */
- regcache_cooked_write_unsigned (current_regcache, 22, stubaddr);
+ addr = hppa_hpux_search_pattern (start, end, ldsid_pattern,
+ ARRAY_SIZE (ldsid_pattern));
+ if (addr)
+ goto found_pattern;
}
- else
+ }
+
+ /* Can't find a suitable sequence. */
+ return 0;
+
+found_pattern:
+ target_read_memory (addr, buf, sizeof (buf));
+ insn = extract_unsigned_integer (buf, sizeof (buf));
+ priv->dummy_call_sequence_addr = addr;
+ priv->dummy_call_sequence_reg = (insn >> 21) & 0x1f;
+
+ *argreg = priv->dummy_call_sequence_reg;
+ return priv->dummy_call_sequence_addr;
+}
+
+static CORE_ADDR
+hppa64_hpux_search_dummy_call_sequence (struct gdbarch *gdbarch, CORE_ADDR pc,
+ int *argreg)
+{
+ struct objfile *obj;
+ struct obj_section *sec;
+ struct hppa_objfile_private *priv;
+ CORE_ADDR addr;
+ struct minimal_symbol *msym;
+ int i;
+
+ sec = find_pc_section (pc);
+ obj = sec->objfile;
+ priv = objfile_data (obj, hppa_objfile_priv_data);
+
+ if (!priv)
+ priv = hppa_init_objfile_priv_data (obj);
+ if (!priv)
+ error ("Internal error creating objfile private data.\n");
+
+ /* Use the cached value if we have one. */
+ if (priv->dummy_call_sequence_addr != 0)
+ {
+ *argreg = priv->dummy_call_sequence_reg;
+ return priv->dummy_call_sequence_addr;
+ }
+
+ /* FIXME: Without stub unwind information, locating a suitable sequence is
+ fairly difficult. For now, we implement a very naive and inefficient
+ scheme; try to read in blocks of code, and look for a "bve,n (rp)"
+ instruction. These are likely to occur at the end of functions, so
+ we only look at the last two instructions of each function. */
+ for (i = 0, msym = obj->msymbols; i < obj->minimal_symbol_count; i++, msym++)
+ {
+ CORE_ADDR begin, end;
+ char *name;
+ unsigned int insns[2];
+ int offset;
+
+ find_pc_partial_function (SYMBOL_VALUE_ADDRESS (msym), &name,
+ &begin, &end);
+
+ if (*name == 0 || begin == 0 || end == 0)
+ continue;
+
+ if (target_read_memory (end - sizeof (insns), (char *)insns, sizeof (insns)) == 0)
{
- /* No import stub found; let's synthesize one. */
-
- /* ldsid %r21, %r1 */
- write_memory_unsigned_integer (sp, 4, 0x02a010a1);
- /* mtsp %r1,%sr0 */
- write_memory_unsigned_integer (sp + 4, 4, 0x00011820);
- /* be 0(%sr0, %r21) */
- write_memory_unsigned_integer (sp + 8, 4, 0xe2a00000);
- /* nop */
- write_memory_unsigned_integer (sp + 12, 4, 0x08000240);
-
- regcache_cooked_write_unsigned (current_regcache, 21, funcaddr);
- regcache_cooked_write_unsigned (current_regcache, 22, sp);
+ for (offset = 0; offset < ARRAY_SIZE (insns); offset++)
+ {
+ unsigned int insn;
+
+ insn = extract_unsigned_integer (&insns[offset], 4);
+ if (insn == 0xe840d002) /* bve,n (rp) */
+ {
+ addr = (end - sizeof (insns)) + (offset * 4);
+ goto found_pattern;
+ }
+ }
+ }
+ }
+
+ /* Can't find a suitable sequence. */
+ return 0;
+
+found_pattern:
+ priv->dummy_call_sequence_addr = addr;
+ /* Right now we only look for a "bve,l (rp)" sequence, so the register is
+ always HPPA_RP_REGNUM. */
+ priv->dummy_call_sequence_reg = HPPA_RP_REGNUM;
+
+ *argreg = priv->dummy_call_sequence_reg;
+ return priv->dummy_call_sequence_addr;
+}
+
+static CORE_ADDR
+hppa_hpux_find_import_stub_for_addr (CORE_ADDR funcaddr)
+{
+ struct objfile *objfile;
+ struct minimal_symbol *funsym, *stubsym;
+ CORE_ADDR stubaddr;
+
+ funsym = lookup_minimal_symbol_by_pc (funcaddr);
+ stubaddr = 0;
+
+ ALL_OBJFILES (objfile)
+ {
+ stubsym = lookup_minimal_symbol_solib_trampoline
+ (SYMBOL_LINKAGE_NAME (funsym), objfile);
+
+ if (stubsym)
+ {
+ struct unwind_table_entry *u;
+
+ u = find_unwind_entry (SYMBOL_VALUE (stubsym));
+ if (u == NULL
+ || (u->stub_unwind.stub_type != IMPORT
+ && u->stub_unwind.stub_type != IMPORT_SHLIB))
+ continue;
+
+ stubaddr = SYMBOL_VALUE (stubsym);
+
+ /* If we found an IMPORT stub, then we can stop searching;
+ if we found an IMPORT_SHLIB, we want to continue the search
+ in the hopes that we will find an IMPORT stub. */
+ if (u->stub_unwind.stub_type == IMPORT)
+ break;
+ }
+ }
+
+ return stubaddr;
+}
+
+static int
+hppa_hpux_sr_for_addr (CORE_ADDR addr)
+{
+ int sr;
+ /* The space register to use is encoded in the top 2 bits of the address. */
+ sr = addr >> (gdbarch_tdep (current_gdbarch)->bytes_per_address * 8 - 2);
+ return sr + 4;
+}
+
+static CORE_ADDR
+hppa_hpux_find_dummy_bpaddr (CORE_ADDR addr)
+{
+ /* In order for us to restore the space register to its starting state,
+ we need the dummy trampoline to return to the an instruction address in
+ the same space as where we started the call. We used to place the
+ breakpoint near the current pc, however, this breaks nested dummy calls
+ as the nested call will hit the breakpoint address and terminate
+ prematurely. Instead, we try to look for an address in the same space to
+ put the breakpoint.
+
+ This is similar in spirit to putting the breakpoint at the "entry point"
+ of an executable. */
+
+ struct obj_section *sec;
+ struct unwind_table_entry *u;
+ struct minimal_symbol *msym;
+ CORE_ADDR func;
+ int i;
+
+ sec = find_pc_section (addr);
+ if (sec)
+ {
+ /* First try the lowest address in the section; we can use it as long
+ as it is "regular" code (i.e. not a stub) */
+ u = find_unwind_entry (sec->addr);
+ if (!u || u->stub_unwind.stub_type == 0)
+ return sec->addr;
+
+ /* Otherwise, we need to find a symbol for a regular function. We
+ do this by walking the list of msymbols in the objfile. The symbol
+ we find should not be the same as the function that was passed in. */
+
+ /* FIXME: this is broken, because we can find a function that will be
+ called by the dummy call target function, which will still not
+ work. */
+
+ find_pc_partial_function (addr, NULL, &func, NULL);
+ for (i = 0, msym = sec->objfile->msymbols;
+ i < sec->objfile->minimal_symbol_count;
+ i++, msym++)
+ {
+ u = find_unwind_entry (SYMBOL_VALUE_ADDRESS (msym));
+ if (func != SYMBOL_VALUE_ADDRESS (msym)
+ && (!u || u->stub_unwind.stub_type == 0))
+ return SYMBOL_VALUE_ADDRESS (msym);
}
+ }
- /* We set the breakpoint address and r31 to (close to) where the current
- pc is; when __gcc_plt_call returns, it will restore pcsqh to the
- current value based on this. The -4 is needed for frame unwinding
- to work properly -- we need to land in a different function than
- the current function. */
- *bp_addr = (read_register (HPPA_PCOQ_HEAD_REGNUM) & ~3) - 4;
+ warning ("Cannot find suitable address to place dummy breakpoint; nested "
+ "calls may fail.\n");
+ return addr - 4;
+}
+
+static CORE_ADDR
+hppa_hpux_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
+ CORE_ADDR funcaddr, int using_gcc,
+ struct value **args, int nargs,
+ struct type *value_type,
+ CORE_ADDR *real_pc, CORE_ADDR *bp_addr)
+{
+ CORE_ADDR pc, stubaddr;
+ int argreg;
+
+ pc = read_pc ();
+
+ /* Note: we don't want to pass a function descriptor here; push_dummy_call
+ fills in the PIC register for us. */
+ funcaddr = gdbarch_convert_from_func_ptr_addr (gdbarch, funcaddr, NULL);
+
+ /* The simple case is where we call a function in the same space that we are
+ currently in; in that case we don't really need to do anything. */
+ if (hppa_hpux_sr_for_addr (pc) == hppa_hpux_sr_for_addr (funcaddr))
+ {
+ /* Intraspace call. */
+ *bp_addr = hppa_hpux_find_dummy_bpaddr (pc);
+ *real_pc = funcaddr;
+ regcache_cooked_write_unsigned (current_regcache, HPPA_RP_REGNUM, *bp_addr);
+
+ return sp;
+ }
+
+ /* In order to make an interspace call, we need to go through a stub.
+ gcc supplies an appropriate stub called "__gcc_plt_call", however, if
+ an application is compiled with HP compilers then this stub is not
+ available. We used to fallback to "__d_plt_call", however that stub
+ is not entirely useful for us because it doesn't do an interspace
+ return back to the caller. Also, on hppa64-hpux, there is no
+ __gcc_plt_call available. In order to keep the code uniform, we
+ instead don't use either of these stubs, but instead write our own
+ onto the stack.
+
+ A problem arises since the stack is located in a different space than
+ code, so in order to branch to a stack stub, we will need to do an
+ interspace branch. Previous versions of gdb did this by modifying code
+ at the current pc and doing single-stepping to set the pcsq. Since this
+ is highly undesirable, we use a different scheme:
+
+ All we really need to do the branch to the stub is a short instruction
+ sequence like this:
+
+ PA1.1:
+ ldsid (rX),r1
+ mtsp r1,sr0
+ be,n (sr0,rX)
+
+ PA2.0:
+ bve,n (sr0,rX)
+
+ Instead of writing these sequences ourselves, we can find it in
+ the instruction stream that belongs to the current space. While this
+ seems difficult at first, we are actually guaranteed to find the sequences
+ in several places:
+
+ For 32-bit code:
+ - in export stubs for shared libraries
+ - in the "noshlibs" routine in the main module
+
+ For 64-bit code:
+ - at the end of each "regular" function
+
+ We cache the address of these sequences in the objfile's private data
+ since these operations can potentially be quite expensive.
+
+ So, what we do is:
+ - write a stack trampoline
+ - look for a suitable instruction sequence in the current space
+ - point the sequence at the trampoline
+ - set the return address of the trampoline to the current space
+ (see hppa_hpux_find_dummy_call_bpaddr)
+ - set the continuing address of the "dummy code" as the sequence.
+
+*/
+
+ if (IS_32BIT_TARGET (gdbarch))
+ {
+ static unsigned int hppa32_tramp[] = {
+ 0x0fdf1291, /* stw r31,-8(,sp) */
+ 0x02c010a1, /* ldsid (,r22),r1 */
+ 0x00011820, /* mtsp r1,sr0 */
+ 0xe6c00000, /* be,l 0(sr0,r22),%sr0,%r31 */
+ 0x081f0242, /* copy r31,rp */
+ 0x0fd11082, /* ldw -8(,sp),rp */
+ 0x004010a1, /* ldsid (,rp),r1 */
+ 0x00011820, /* mtsp r1,sr0 */
+ 0xe0400000, /* be 0(sr0,rp) */
+ 0x08000240 /* nop */
+ };
+
+ /* for hppa32, we must call the function through a stub so that on
+ return it can return to the space of our trampoline. */
+ stubaddr = hppa_hpux_find_import_stub_for_addr (funcaddr);
+ if (stubaddr == 0)
+ error ("Cannot call external function not referenced by application "
+ "(no import stub).\n");
+ regcache_cooked_write_unsigned (current_regcache, 22, stubaddr);
+
+ write_memory (sp, (char *)&hppa32_tramp, sizeof (hppa32_tramp));
+
+ *bp_addr = hppa_hpux_find_dummy_bpaddr (pc);
regcache_cooked_write_unsigned (current_regcache, 31, *bp_addr);
- /* Continue from __gcc_plt_call. */
- *real_pc = SYMBOL_VALUE (sym);
+ *real_pc = hppa32_hpux_search_dummy_call_sequence (gdbarch, pc, &argreg);
+ if (*real_pc == 0)
+ error ("Cannot make interspace call from here.\n");
+
+ regcache_cooked_write_unsigned (current_regcache, argreg, sp);
+
+ sp += sizeof (hppa32_tramp);
}
else
{
- ULONGEST gp;
-
- /* Use __d_plt_call as a fallback; __d_plt_call expects to be called
- with a plabel, so we need to build one. */
+ static unsigned int hppa64_tramp[] = {
+ 0xeac0f000, /* bve,l (r22),%r2 */
+ 0x0fdf12d1, /* std r31,-8(,sp) */
+ 0x0fd110c2, /* ldd -8(,sp),rp */
+ 0xe840d002, /* bve,n (rp) */
+ 0x08000240 /* nop */
+ };
+
+ /* for hppa64, we don't need to call through a stub; all functions
+ return via a bve. */
+ regcache_cooked_write_unsigned (current_regcache, 22, funcaddr);
+ write_memory (sp, (char *)&hppa64_tramp, sizeof (hppa64_tramp));
+
+ *bp_addr = pc - 4;
+ regcache_cooked_write_unsigned (current_regcache, 31, *bp_addr);
- sym = lookup_minimal_symbol ("__d_plt_call", NULL, NULL);
- if (sym == NULL)
- error("Can't find an address for __d_plt_call or __gcc_plt_call "
- "trampoline\nSuggest linking executable with -g or compiling "
- "with gcc.");
+ *real_pc = hppa64_hpux_search_dummy_call_sequence (gdbarch, pc, &argreg);
+ if (*real_pc == 0)
+ error ("Cannot make interspace call from here.\n");
- gp = gdbarch_tdep (gdbarch)->find_global_pointer (funcaddr);
- write_memory_unsigned_integer (sp, 4, funcaddr);
- write_memory_unsigned_integer (sp + 4, 4, gp);
+ regcache_cooked_write_unsigned (current_regcache, argreg, sp);
- /* plabel is passed in r22 */
- regcache_cooked_write_unsigned (current_regcache, 22, sp);
+ sp += sizeof (hppa64_tramp);
}
- /* Pushed one stack frame, which has to be 64-byte aligned. */
- sp += 64;
+ sp = gdbarch_frame_align (gdbarch, sp);
return sp;
}
+
\f
/* Bit in the `ss_flag' member of `struct save_state' that indicates
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (tdep->bytes_per_address == 4)
+ if (IS_32BIT_TARGET (gdbarch))
tdep->in_solib_call_trampoline = hppa32_hpux_in_solib_call_trampoline;
else
tdep->in_solib_call_trampoline = hppa64_hpux_in_solib_call_trampoline;
tdep->is_elf = 0;
- tdep->find_global_pointer = hppa_hpux_som_find_global_pointer;
+ tdep->find_global_pointer = hppa32_hpux_find_global_pointer;
+
hppa_hpux_init_abi (info, gdbarch);
som_solib_select (tdep);
}
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->is_elf = 1;
+ tdep->find_global_pointer = hppa64_hpux_find_global_pointer;
+
hppa_hpux_init_abi (info, gdbarch);
pa64_solib_select (tdep);
}
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