alpha_register_convert_to_virtual;
static gdbarch_register_convert_to_raw_ftype alpha_register_convert_to_raw;
static gdbarch_store_struct_return_ftype alpha_store_struct_return;
-static gdbarch_extract_return_value_ftype alpha_extract_return_value;
-static gdbarch_store_return_value_ftype alpha_store_return_value;
-static gdbarch_extract_struct_value_address_ftype
+static gdbarch_deprecated_extract_return_value_ftype alpha_extract_return_value;
+static gdbarch_deprecated_extract_struct_value_address_ftype
alpha_extract_struct_value_address;
static gdbarch_use_struct_convention_ftype alpha_use_struct_convention;
+static gdbarch_breakpoint_from_pc_ftype alpha_breakpoint_from_pc;
+
static gdbarch_frame_args_address_ftype alpha_frame_args_address;
static gdbarch_frame_locals_address_ftype alpha_frame_locals_address;
static gdbarch_skip_prologue_ftype alpha_skip_prologue;
-static gdbarch_get_saved_register_ftype alpha_get_saved_register;
static gdbarch_saved_pc_after_call_ftype alpha_saved_pc_after_call;
static gdbarch_frame_chain_ftype alpha_frame_chain;
static gdbarch_frame_saved_pc_ftype alpha_frame_saved_pc;
static gdbarch_init_frame_pc_first_ftype alpha_init_frame_pc_first;
static gdbarch_init_extra_frame_info_ftype alpha_init_extra_frame_info;
+static gdbarch_get_longjmp_target_ftype alpha_get_longjmp_target;
+
struct frame_extra_info
{
alpha_extra_func_info_t proc_desc;
*/
/* *INDENT-ON* */
-
-
#define PROC_LOW_ADDR(proc) ((proc)->pdr.adr) /* least address */
/* These next two fields are kind of being hijacked. I wonder if
iline is too small for the values it needs to hold, if GDB is
}
*linked_proc_desc_table = NULL;
\f
-int
-alpha_osf_in_sigtramp (CORE_ADDR pc, char *func_name)
+static CORE_ADDR
+alpha_frame_past_sigtramp_frame (struct frame_info *frame, CORE_ADDR pc)
{
- return (func_name != NULL && STREQ ("__sigtramp", func_name));
-}
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-/* Under GNU/Linux, signal handler invocations can be identified by the
- designated code sequence that is used to return from a signal
- handler. In particular, the return address of a signal handler
- points to the following sequence (the first instruction is quadword
- aligned):
-
- bis $30,$30,$16
- addq $31,0x67,$0
- call_pal callsys
-
- Each instruction has a unique encoding, so we simply attempt to
- match the instruction the pc is pointing to with any of the above
- instructions. If there is a hit, we know the offset to the start
- of the designated sequence and can then check whether we really are
- executing in a designated sequence. If not, -1 is returned,
- otherwise the offset from the start of the desingated sequence is
- returned.
-
- There is a slight chance of false hits: code could jump into the
- middle of the designated sequence, in which case there is no
- guarantee that we are in the middle of a sigreturn syscall. Don't
- think this will be a problem in praxis, though.
- */
+ if (tdep->skip_sigtramp_frame != NULL)
+ return (tdep->skip_sigtramp_frame (frame, pc));
-#ifndef TM_LINUXALPHA_H
-/* HACK: Provide a prototype when compiling this file for non
- linuxalpha targets. */
-long alpha_linux_sigtramp_offset (CORE_ADDR pc);
-#endif
-long
-alpha_linux_sigtramp_offset (CORE_ADDR pc)
+ return (0);
+}
+
+static LONGEST
+alpha_dynamic_sigtramp_offset (CORE_ADDR pc)
{
- unsigned int i[3], w;
- long off;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
- if (read_memory_nobpt (pc, (char *) &w, 4) != 0)
- return -1;
+ /* Must be provided by OS/ABI variant code if supported. */
+ if (tdep->dynamic_sigtramp_offset != NULL)
+ return (tdep->dynamic_sigtramp_offset (pc));
- off = -1;
- switch (w)
- {
- case 0x47de0410:
- off = 0;
- break; /* bis $30,$30,$16 */
- case 0x43ecf400:
- off = 4;
- break; /* addq $31,0x67,$0 */
- case 0x00000083:
- off = 8;
- break; /* call_pal callsys */
- default:
- return -1;
- }
- pc -= off;
- if (pc & 0x7)
- {
- /* designated sequence is not quadword aligned */
- return -1;
- }
+ return (-1);
+}
+
+#define ALPHA_PROC_SIGTRAMP_MAGIC 0x0e0f0f0f
- if (read_memory_nobpt (pc, (char *) i, sizeof (i)) != 0)
- return -1;
+/* Return TRUE if the procedure descriptor PROC is a procedure
+ descriptor that refers to a dynamically generated signal
+ trampoline routine. */
+static int
+alpha_proc_desc_is_dyn_sigtramp (struct alpha_extra_func_info *proc)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
- if (i[0] == 0x47de0410 && i[1] == 0x43ecf400 && i[2] == 0x00000083)
- return off;
+ if (tdep->dynamic_sigtramp_offset != NULL)
+ return (proc->pdr.isym == ALPHA_PROC_SIGTRAMP_MAGIC);
- return -1;
+ return (0);
}
-\f
-/* Under OSF/1, the __sigtramp routine is frameless and has a frame
- size of zero, but we are able to backtrace through it. */
-CORE_ADDR
-alpha_osf_skip_sigtramp_frame (struct frame_info *frame, CORE_ADDR pc)
+static void
+alpha_set_proc_desc_is_dyn_sigtramp (struct alpha_extra_func_info *proc)
{
- char *name;
- find_pc_partial_function (pc, &name, (CORE_ADDR *) NULL, (CORE_ADDR *) NULL);
- if (IN_SIGTRAMP (pc, name))
- return frame->frame;
- else
- return 0;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (tdep->dynamic_sigtramp_offset != NULL)
+ proc->pdr.isym = ALPHA_PROC_SIGTRAMP_MAGIC;
}
-\f
/* Dynamically create a signal-handler caller procedure descriptor for
the signal-handler return code starting at address LOW_ADDR. The
PROC_FREG_MASK (proc_desc) = 0xffff;
PROC_PC_REG (proc_desc) = 26;
PROC_LOCALOFF (proc_desc) = 0;
- SET_PROC_DESC_IS_DYN_SIGTRAMP (proc_desc);
+ alpha_set_proc_desc_is_dyn_sigtramp (proc_desc);
return (proc_desc);
}
\f
-static char *
+static const char *
alpha_register_name (int regno)
{
static char *register_names[] =
}
\f
+static CORE_ADDR
+alpha_sigcontext_addr (struct frame_info *fi)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ if (tdep->sigcontext_addr)
+ return (tdep->sigcontext_addr (fi));
+
+ return (0);
+}
+
/* Guaranteed to set frame->saved_regs to some values (it never leaves it
NULL). */
{
CORE_ADDR sigcontext_addr;
- sigcontext_addr = SIGCONTEXT_ADDR (frame);
+ sigcontext_addr = alpha_sigcontext_addr (frame);
+ if (sigcontext_addr == 0)
+ {
+ /* Don't know where the sigcontext is; just bail. */
+ return;
+ }
for (ireg = 0; ireg < 32; ireg++)
{
reg_position = sigcontext_addr + SIGFRAME_REGSAVE_OFF + ireg * 8;
return read_next_frame_reg (frame, pcreg);
}
-static void
-alpha_get_saved_register (char *raw_buffer,
- int *optimized,
- CORE_ADDR *addrp,
- struct frame_info *frame,
- int regnum,
- enum lval_type *lval)
-{
- CORE_ADDR addr;
-
- if (!target_has_registers)
- error ("No registers.");
-
- /* Normal systems don't optimize out things with register numbers. */
- if (optimized != NULL)
- *optimized = 0;
- addr = find_saved_register (frame, regnum);
- if (addr != 0)
- {
- if (lval != NULL)
- *lval = lval_memory;
- if (regnum == SP_REGNUM)
- {
- if (raw_buffer != NULL)
- {
- /* Put it back in target format. */
- store_address (raw_buffer, REGISTER_RAW_SIZE (regnum),
- (LONGEST) addr);
- }
- if (addrp != NULL)
- *addrp = 0;
- return;
- }
- if (raw_buffer != NULL)
- target_read_memory (addr, raw_buffer, REGISTER_RAW_SIZE (regnum));
- }
- else
- {
- if (lval != NULL)
- *lval = lval_register;
- addr = REGISTER_BYTE (regnum);
- if (raw_buffer != NULL)
- read_register_gen (regnum, raw_buffer);
- }
- if (addrp != NULL)
- *addrp = addr;
-}
-
static CORE_ADDR
alpha_saved_pc_after_call (struct frame_info *frame)
{
struct frame_info *next_frame)
{
CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
+ CORE_ADDR vfp = sp;
CORE_ADDR cur_pc;
int frame_size;
int has_frame_reg = 0;
unsigned long reg_mask = 0;
int pcreg = -1;
+ int regno;
if (start_pc == 0)
return NULL;
if ((word & 0xffff0000) == 0x23de0000) /* lda $sp,n($sp) */
{
if (word & 0x8000)
- frame_size += (-word) & 0xffff;
+ {
+ /* Consider only the first stack allocation instruction
+ to contain the static size of the frame. */
+ if (frame_size == 0)
+ frame_size += (-word) & 0xffff;
+ }
else
/* Exit loop if a positive stack adjustment is found, which
usually means that the stack cleanup code in the function
{
int reg = (word & 0x03e00000) >> 21;
reg_mask |= 1 << reg;
- temp_saved_regs[reg] = sp + (short) word;
+
+ /* Do not compute the address where the register was saved yet,
+ because we don't know yet if the offset will need to be
+ relative to $sp or $fp (we can not compute the address relative
+ to $sp if $sp is updated during the execution of the current
+ subroutine, for instance when doing some alloca). So just store
+ the offset for the moment, and compute the address later
+ when we know whether this frame has a frame pointer or not.
+ */
+ temp_saved_regs[reg] = (short) word;
/* Starting with OSF/1-3.2C, the system libraries are shipped
without local symbols, but they still contain procedure
}
else if ((word & 0xffe0ffff) == 0x6be08001) /* ret zero,reg,1 */
pcreg = (word >> 16) & 0x1f;
- else if (word == 0x47de040f) /* bis sp,sp fp */
- has_frame_reg = 1;
+ else if (word == 0x47de040f || word == 0x47fe040f) /* bis sp,sp fp */
+ {
+ /* ??? I am not sure what instruction is 0x47fe040f, and I
+ am suspecting that there was a typo and should have been
+ 0x47fe040f. I'm keeping it in the test above until further
+ investigation */
+ has_frame_reg = 1;
+ vfp = read_next_frame_reg (next_frame, ALPHA_GCC_FP_REGNUM);
+ }
}
if (pcreg == -1)
{
PROC_FRAME_REG (&temp_proc_desc) = ALPHA_GCC_FP_REGNUM;
else
PROC_FRAME_REG (&temp_proc_desc) = SP_REGNUM;
+
+ /* At this point, we know which of the Stack Pointer or the Frame Pointer
+ to use as the reference address to compute the saved registers address.
+ But in both cases, the processing above has set vfp to this reference
+ address, so just need to increment the offset of each saved register
+ by this address. */
+ for (regno = 0; regno < NUM_REGS; regno++)
+ {
+ if (reg_mask & 1 << regno)
+ temp_saved_regs[regno] += vfp;
+ }
+
PROC_FRAME_OFFSET (&temp_proc_desc) = frame_size;
PROC_REG_MASK (&temp_proc_desc) = reg_mask;
PROC_PC_REG (&temp_proc_desc) = (pcreg == -1) ? ALPHA_RA_REGNUM : pcreg;
if (proc_desc)
{
- if (PROC_DESC_IS_DYN_SIGTRAMP (proc_desc))
+ if (alpha_proc_desc_is_dyn_sigtramp (proc_desc))
return PROC_LOW_ADDR (proc_desc); /* "prologue" is in kernel */
/* If function is frameless, then we need to do it the hard way. I
/* If PC is inside a dynamically generated sigtramp handler,
create and push a procedure descriptor for that code: */
- offset = DYNAMIC_SIGTRAMP_OFFSET (pc);
+ offset = alpha_dynamic_sigtramp_offset (pc);
if (offset >= 0)
return push_sigtramp_desc (pc - offset);
/* The previous frame from a sigtramp frame might be frameless
and have frame size zero. */
&& !frame->signal_handler_caller)
- return FRAME_PAST_SIGTRAMP_FRAME (frame, saved_pc);
+ return alpha_frame_past_sigtramp_frame (frame, saved_pc);
else
return read_next_frame_reg (frame, PROC_FRAME_REG (proc_desc))
+ PROC_FRAME_OFFSET (proc_desc);
Get the value of the frame relative sp, procedure might have been
interrupted by a signal at it's very start. */
else if (frame->pc == PROC_LOW_ADDR (proc_desc)
- && !PROC_DESC_IS_DYN_SIGTRAMP (proc_desc))
+ && !alpha_proc_desc_is_dyn_sigtramp (proc_desc))
frame->frame = read_next_frame_reg (frame->next, SP_REGNUM);
else
frame->frame = read_next_frame_reg (frame->next, PROC_FRAME_REG (proc_desc))
We can't use frame->signal_handler_caller, it is not yet set. */
find_pc_partial_function (frame->pc, &name,
(CORE_ADDR *) NULL, (CORE_ADDR *) NULL);
- if (!IN_SIGTRAMP (frame->pc, name))
+ if (!PC_IN_SIGTRAMP (frame->pc, name))
{
frame->saved_regs = (CORE_ADDR *)
frame_obstack_alloc (SIZEOF_FRAME_SAVED_REGS);
flush_cached_frames ();
if (proc_desc && (PROC_DESC_IS_DUMMY (proc_desc)
- || PROC_DESC_IS_DYN_SIGTRAMP (proc_desc)))
+ || alpha_proc_desc_is_dyn_sigtramp (proc_desc)))
{
struct linked_proc_info *pi_ptr, *prev_ptr;
CORE_ADDR post_prologue_pc;
char buf[4];
-#ifdef GDB_TARGET_HAS_SHARED_LIBS
/* Silently return the unaltered pc upon memory errors.
This could happen on OSF/1 if decode_line_1 tries to skip the
prologue for quickstarted shared library functions when the
shared library is not yet mapped in.
Reading target memory is slow over serial lines, so we perform
- this check only if the target has shared libraries. */
+ this check only if the target has shared libraries (which all
+ Alpha targets do). */
if (target_read_memory (pc, buf, 4))
return pc;
-#endif
/* See if we can determine the end of the prologue via the symbol table.
If so, then return either PC, or the PC after the prologue, whichever
error ("Cannot store value in floating point register");
}
+static const unsigned char *
+alpha_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
+{
+ static const unsigned char alpha_breakpoint[] =
+ { 0x80, 0, 0, 0 }; /* call_pal bpt */
+
+ *lenptr = sizeof(alpha_breakpoint);
+ return (alpha_breakpoint);
+}
+
/* Given a return value in `regbuf' with a type `valtype',
extract and copy its value into `valbuf'. */
static void
alpha_extract_return_value (struct type *valtype,
- char regbuf[REGISTER_BYTES], char *valbuf)
+ char regbuf[ALPHA_REGISTER_BYTES], char *valbuf)
{
if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
alpha_register_convert_to_virtual (FP0_REGNUM, valtype,
REGISTER_RAW_SIZE (ALPHA_V0_REGNUM)));
}
+/* Figure out where the longjmp will land.
+ We expect the first arg to be a pointer to the jmp_buf structure from
+ which we extract the PC (JB_PC) that we will land at. The PC is copied
+ into the "pc". This routine returns true on success. */
+
+static int
+alpha_get_longjmp_target (CORE_ADDR *pc)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ CORE_ADDR jb_addr;
+ char raw_buffer[ALPHA_MAX_REGISTER_RAW_SIZE];
+
+ jb_addr = read_register (ALPHA_A0_REGNUM);
+
+ if (target_read_memory (jb_addr + (tdep->jb_pc * tdep->jb_elt_size),
+ raw_buffer, tdep->jb_elt_size))
+ return 0;
+
+ *pc = extract_address (raw_buffer, tdep->jb_elt_size);
+ return 1;
+}
+
/* alpha_software_single_step() is called just before we want to resume
the inferior, if we want to single-step it but there is no hardware
or kernel single-step support (NetBSD on Alpha, for example). We find
}
\f
-/* This table matches the indices assigned to enum alpha_abi. Keep
- them in sync. */
-static const char * const alpha_abi_names[] =
-{
- "<unknown>",
- "OSF/1",
- "GNU/Linux",
- "FreeBSD",
- "NetBSD",
- NULL
-};
-
-static void
-process_note_abi_tag_sections (bfd *abfd, asection *sect, void *obj)
-{
- enum alpha_abi *os_ident_ptr = obj;
- const char *name;
- unsigned int sectsize;
-
- name = bfd_get_section_name (abfd, sect);
- sectsize = bfd_section_size (abfd, sect);
-
- if (strcmp (name, ".note.ABI-tag") == 0 && sectsize > 0)
- {
- unsigned int name_length, data_length, note_type;
- char *note;
-
- /* If the section is larger than this, it's probably not what we are
- looking for. */
- if (sectsize > 128)
- sectsize = 128;
-
- note = alloca (sectsize);
-
- bfd_get_section_contents (abfd, sect, note,
- (file_ptr) 0, (bfd_size_type) sectsize);
-
- name_length = bfd_h_get_32 (abfd, note);
- data_length = bfd_h_get_32 (abfd, note + 4);
- note_type = bfd_h_get_32 (abfd, note + 8);
-
- if (name_length == 4 && data_length == 16 && note_type == 1
- && strcmp (note + 12, "GNU") == 0)
- {
- int os_number = bfd_h_get_32 (abfd, note + 16);
-
- /* The case numbers are from abi-tags in glibc. */
- switch (os_number)
- {
- case 0 :
- *os_ident_ptr = ALPHA_ABI_LINUX;
- break;
-
- case 1 :
- internal_error
- (__FILE__, __LINE__,
- "process_note_abi_sections: Hurd objects not supported");
- break;
-
- case 2 :
- internal_error
- (__FILE__, __LINE__,
- "process_note_abi_sections: Solaris objects not supported");
- break;
-
- default :
- internal_error
- (__FILE__, __LINE__,
- "process_note_abi_sections: unknown OS number %d",
- os_number);
- break;
- }
- }
- }
- /* NetBSD uses a similar trick. */
- else if (strcmp (name, ".note.netbsd.ident") == 0 && sectsize > 0)
- {
- unsigned int name_length, desc_length, note_type;
- char *note;
-
- /* If the section is larger than this, it's probably not what we are
- looking for. */
- if (sectsize > 128)
- sectsize = 128;
-
- note = alloca (sectsize);
-
- bfd_get_section_contents (abfd, sect, note,
- (file_ptr) 0, (bfd_size_type) sectsize);
-
- name_length = bfd_h_get_32 (abfd, note);
- desc_length = bfd_h_get_32 (abfd, note + 4);
- note_type = bfd_h_get_32 (abfd, note + 8);
-
- if (name_length == 7 && desc_length == 4 && note_type == 1
- && strcmp (note + 12, "NetBSD") == 0)
- /* XXX Should we check the version here?
- Probably not necessary yet. */
- *os_ident_ptr = ALPHA_ABI_NETBSD;
- }
-}
-
-static int
-get_elfosabi (bfd *abfd)
-{
- int elfosabi;
- enum alpha_abi alpha_abi = ALPHA_ABI_UNKNOWN;
-
- elfosabi = elf_elfheader (abfd)->e_ident[EI_OSABI];
-
- /* When elfosabi is 0 (ELFOSABI_NONE), this is supposed to indicate
- what we're on a SYSV system. However, GNU/Linux uses a note section
- to record OS/ABI info, but leaves e_ident[EI_OSABI] zero. So we
- have to check the note sections too. */
- if (elfosabi == 0)
- {
- bfd_map_over_sections (abfd,
- process_note_abi_tag_sections,
- &alpha_abi);
- }
-
- if (alpha_abi != ALPHA_ABI_UNKNOWN)
- return alpha_abi;
-
- switch (elfosabi)
- {
- case ELFOSABI_NONE:
- /* Leave it as unknown. */
- break;
-
- case ELFOSABI_NETBSD:
- return ALPHA_ABI_NETBSD;
-
- case ELFOSABI_FREEBSD:
- return ALPHA_ABI_FREEBSD;
-
- case ELFOSABI_LINUX:
- return ALPHA_ABI_LINUX;
- }
-
- return ALPHA_ABI_UNKNOWN;
-}
/* Initialize the current architecture based on INFO. If possible, re-use an
architecture from ARCHES, which is a list of architectures already created
{
struct gdbarch_tdep *tdep;
struct gdbarch *gdbarch;
- enum alpha_abi alpha_abi = ALPHA_ABI_UNKNOWN;
+ enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
/* Try to determine the ABI of the object we are loading. */
if (info.abfd != NULL)
{
- switch (bfd_get_flavour (info.abfd))
+ osabi = gdbarch_lookup_osabi (info.abfd);
+ if (osabi == GDB_OSABI_UNKNOWN)
{
- case bfd_target_elf_flavour:
- alpha_abi = get_elfosabi (info.abfd);
- break;
-
- case bfd_target_ecoff_flavour:
- /* Assume it's OSF/1. */
- alpha_abi = ALPHA_ABI_OSF1;
- break;
-
- default:
- /* Not sure what to do here, leave the ABI as unknown. */
- break;
+ /* If it's an ECOFF file, assume it's OSF/1. */
+ if (bfd_get_flavour (info.abfd) == bfd_target_ecoff_flavour)
+ osabi = GDB_OSABI_OSF1;
}
}
{
/* Make sure the ABI selection matches. */
tdep = gdbarch_tdep (arches->gdbarch);
- if (tdep && tdep->alpha_abi == alpha_abi)
+ if (tdep && tdep->osabi == osabi)
return arches->gdbarch;
}
tdep = xmalloc (sizeof (struct gdbarch_tdep));
gdbarch = gdbarch_alloc (&info, tdep);
- tdep->alpha_abi = alpha_abi;
- if (alpha_abi < ALPHA_ABI_INVALID)
- tdep->abi_name = alpha_abi_names[alpha_abi];
- else
- {
- internal_error (__FILE__, __LINE__, "Invalid setting of alpha_abi %d",
- (int) alpha_abi);
- tdep->abi_name = "<invalid>";
- }
+ tdep->osabi = osabi;
/* Lowest text address. This is used by heuristic_proc_start() to
decide when to stop looking. */
tdep->vm_min_address = (CORE_ADDR) 0x120000000;
+ tdep->dynamic_sigtramp_offset = NULL;
+ tdep->skip_sigtramp_frame = NULL;
+ tdep->sigcontext_addr = NULL;
+
+ tdep->jb_pc = -1; /* longjmp support not enabled by default */
+
/* Type sizes */
set_gdbarch_short_bit (gdbarch, 16);
set_gdbarch_int_bit (gdbarch, 32);
set_gdbarch_frame_saved_pc (gdbarch, alpha_frame_saved_pc);
set_gdbarch_frame_init_saved_regs (gdbarch, alpha_frame_init_saved_regs);
- set_gdbarch_get_saved_register (gdbarch, alpha_get_saved_register);
set_gdbarch_use_struct_convention (gdbarch, alpha_use_struct_convention);
- set_gdbarch_extract_return_value (gdbarch, alpha_extract_return_value);
+ set_gdbarch_deprecated_extract_return_value (gdbarch, alpha_extract_return_value);
set_gdbarch_store_struct_return (gdbarch, alpha_store_struct_return);
- set_gdbarch_store_return_value (gdbarch, alpha_store_return_value);
- set_gdbarch_extract_struct_value_address (gdbarch,
+ set_gdbarch_deprecated_store_return_value (gdbarch, alpha_store_return_value);
+ set_gdbarch_deprecated_extract_struct_value_address (gdbarch,
alpha_extract_struct_value_address);
/* Settings for calling functions in the inferior. */
set_gdbarch_init_frame_pc_first (gdbarch, alpha_init_frame_pc_first);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
+ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+
+ /* Floats are always passed as doubles. */
+ set_gdbarch_coerce_float_to_double (gdbarch,
+ standard_coerce_float_to_double);
+ set_gdbarch_breakpoint_from_pc (gdbarch, alpha_breakpoint_from_pc);
set_gdbarch_decr_pc_after_break (gdbarch, 4);
+
+ set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_frame_args_skip (gdbarch, 0);
+ /* Hook in ABI-specific overrides, if they have been registered. */
+ gdbarch_init_osabi (info, gdbarch, osabi);
+
+ /* Now that we have tuned the configuration, set a few final things
+ based on what the OS ABI has told us. */
+
+ if (tdep->jb_pc >= 0)
+ set_gdbarch_get_longjmp_target (gdbarch, alpha_get_longjmp_target);
+
return gdbarch;
}
if (tdep == NULL)
return;
- if (tdep->abi_name != NULL)
- fprintf_unfiltered (file, "alpha_dump_tdep: ABI = %s\n", tdep->abi_name);
- else
- internal_error (__FILE__, __LINE__,
- "alpha_dump_tdep: illegal setting of tdep->alpha_abi (%d)",
- (int) tdep->alpha_abi);
+ fprintf_unfiltered (file, "alpha_dump_tdep: OS ABI = %s\n",
+ gdbarch_osabi_name (tdep->osabi));
fprintf_unfiltered (file,
"alpha_dump_tdep: vm_min_address = 0x%lx\n",
(long) tdep->vm_min_address);
+
+ fprintf_unfiltered (file,
+ "alpha_dump_tdep: jb_pc = %d\n",
+ tdep->jb_pc);
+ fprintf_unfiltered (file,
+ "alpha_dump_tdep: jb_elt_size = %ld\n",
+ (long) tdep->jb_elt_size);
}
void
projects / deliverable / binutils-gdb.git / blobdiff