/* Target-dependent code for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001
+ 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GDB.
#include "objfiles.h"
#include "arch-utils.h"
#include "regcache.h"
+#include "doublest.h"
+#include "value.h"
+#include "parser-defs.h"
#include "bfd/libbfd.h" /* for bfd_default_set_arch_mach */
#include "coff/internal.h" /* for libcoff.h */
#include "elf-bfd.h"
+#include "solib-svr4.h"
#include "ppc-tdep.h"
/* If the kernel has to deliver a signal, it pushes a sigcontext
unsigned char fpr; /* whether register is floating-point */
};
-/* Private data that this module attaches to struct gdbarch. */
-
-struct gdbarch_tdep
- {
- int wordsize; /* size in bytes of fixed-point word */
- int osabi; /* OS / ABI from ELF header */
- int *regoff; /* byte offsets in register arrays */
- const struct reg *regs; /* from current variant */
- };
-
/* Return the current architecture's gdbarch_tdep structure. */
#define TDEP gdbarch_tdep (current_gdbarch)
static CORE_ADDR
rs6000_saved_pc_after_call (struct frame_info *fi)
{
- return read_register (PPC_LR_REGNUM);
+ return read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
}
/* Calculate the destination of a branch/jump. Return -1 if not a branch. */
if (ext_op == 16) /* br conditional register */
{
- dest = read_register (PPC_LR_REGNUM) & ~3;
+ dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum) & ~3;
/* If we are about to return from a signal handler, dest is
something like 0x3c90. The current frame is a signal handler
else if (ext_op == 528) /* br cond to count reg */
{
- dest = read_register (PPC_CTR_REGNUM) & ~3;
+ dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum) & ~3;
/* If we are about to execute a system call, dest is something
like 0x22fc or 0x3b00. Upon completion the system call
will return to the address in the link register. */
if (dest < TEXT_SEGMENT_BASE)
- dest = read_register (PPC_LR_REGNUM) & ~3;
+ dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum) & ~3;
}
else
return -1;
static unsigned char big_breakpoint[] = BIG_BREAKPOINT;
static unsigned char little_breakpoint[] = LITTLE_BREAKPOINT;
*bp_size = 4;
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
return big_breakpoint;
else
return little_breakpoint;
static char le_breakp[] = LITTLE_BREAKPOINT;
static char be_breakp[] = BIG_BREAKPOINT;
- char *breakp = TARGET_BYTE_ORDER == BIG_ENDIAN ? be_breakp : le_breakp;
+ char *breakp = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? be_breakp : le_breakp;
int ii, insn;
CORE_ADDR loc;
CORE_ADDR breaks[2];
else
prev_sp = read_memory_addr (sp, wordsize);
if (fdata.lr_offset == 0)
- lr = read_register (PPC_LR_REGNUM);
+ lr = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
else
lr = read_memory_addr (prev_sp + fdata.lr_offset, wordsize);
if (rs6000_find_toc_address_hook != NULL)
{
CORE_ADDR tocvalue = (*rs6000_find_toc_address_hook) (fun);
- write_register (PPC_TOC_REGNUM, tocvalue);
+ write_register (gdbarch_tdep (current_gdbarch)->ppc_toc_regnum,
+ tocvalue);
}
}
}
else
{ /* Argument can fit in one register. No problem. */
- int adj = TARGET_BYTE_ORDER == BIG_ENDIAN ? reg_size - len : 0;
+ int adj = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? reg_size - len : 0;
memset (®isters[REGISTER_BYTE (ii + 3)], 0, reg_size);
memcpy ((char *)®isters[REGISTER_BYTE (ii + 3)] + adj,
VALUE_CONTENTS (arg), len);
static CORE_ADDR
ppc_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
{
- write_register (PPC_LR_REGNUM, CALL_DUMMY_ADDRESS ());
+ write_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum,
+ CALL_DUMMY_ADDRESS ());
return sp;
}
else
{
/* return value is copied starting from r3. */
- if (TARGET_BYTE_ORDER == BIG_ENDIAN
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG
&& TYPE_LENGTH (valtype) < REGISTER_RAW_SIZE (3))
offset = REGISTER_RAW_SIZE (3) - TYPE_LENGTH (valtype);
}
if (fdata.lr_offset == 0)
- return read_register (PPC_LR_REGNUM);
+ return read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
return read_memory_addr (FRAME_CHAIN (fi) + fdata.lr_offset, wordsize);
}
/* If != 0, fdatap->cr_offset is the offset from the frame that holds
the CR. */
if (fdatap->cr_offset != 0)
- fi->saved_regs[PPC_CR_REGNUM] = frame_addr + fdatap->cr_offset;
+ fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_cr_regnum] =
+ frame_addr + fdatap->cr_offset;
/* If != 0, fdatap->lr_offset is the offset from the frame that holds
the LR. */
if (fdatap->lr_offset != 0)
- fi->saved_regs[PPC_LR_REGNUM] = frame_addr + fdatap->lr_offset;
+ fi->saved_regs[gdbarch_tdep (current_gdbarch)->ppc_lr_regnum] =
+ frame_addr + fdatap->lr_offset;
}
/* Return the address of a frame. This is the inital %sp value when the frame
else
fp = read_memory_addr ((thisframe)->frame, wordsize);
- lr = read_register (PPC_LR_REGNUM);
+ lr = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
if (lr == entry_point_address ())
if (fp != 0 && (fpp = read_memory_addr (fp, wordsize)) != 0)
if (PC_IN_CALL_DUMMY (lr, fpp, fpp))
return regsize (reg, tdep->wordsize);
}
-/* Number of bytes of storage in the program's representation
- for register N. */
-
-static int
-rs6000_register_virtual_size (int n)
-{
- return TYPE_LENGTH (REGISTER_VIRTUAL_TYPE (n));
-}
-
/* Return the GDB type object for the "standard" data type
of data in register N. */
struct gdbarch_tdep *tdep = TDEP;
const struct reg *reg = tdep->regs + n;
- return reg->fpr ? builtin_type_double :
- regsize (reg, tdep->wordsize) == 8 ? builtin_type_int64 :
- builtin_type_int32;
+ if (reg->fpr)
+ return builtin_type_double;
+ else
+ {
+ int size = regsize (reg, tdep->wordsize);
+ switch (size)
+ {
+ case 8:
+ return builtin_type_int64;
+ break;
+ case 16:
+ return builtin_type_vec128;
+ break;
+ default:
+ return builtin_type_int32;
+ break;
+ }
+ }
}
/* For the PowerPC, it appears that the debug info marks float parameters as
memcpy (to, from, REGISTER_RAW_SIZE (n));
}
+int
+altivec_register_p (int regno)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ if (tdep->ppc_vr0_regnum < 0 || tdep->ppc_vrsave_regnum < 0)
+ return 0;
+ else
+ return (regno >= tdep->ppc_vr0_regnum && regno <= tdep->ppc_vrsave_regnum);
+}
+
+static void
+rs6000_do_altivec_registers (int regnum)
+{
+ int i;
+ char *raw_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
+ char *virtual_buffer = (char*) alloca (MAX_REGISTER_VIRTUAL_SIZE);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+
+ for (i = tdep->ppc_vr0_regnum; i <= tdep->ppc_vrsave_regnum; i++)
+ {
+ /* If we want just one reg, check that this is the one we want. */
+ if (regnum != -1 && i != regnum)
+ continue;
+
+ /* If the register name is empty, it is undefined for this
+ processor, so don't display anything. */
+ if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+ continue;
+
+ fputs_filtered (REGISTER_NAME (i), gdb_stdout);
+ print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), gdb_stdout);
+
+ /* Get the data in raw format. */
+ if (read_relative_register_raw_bytes (i, raw_buffer))
+ {
+ printf_filtered ("*value not available*\n");
+ continue;
+ }
+
+ /* Convert raw data to virtual format if necessary. */
+ if (REGISTER_CONVERTIBLE (i))
+ REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+ raw_buffer, virtual_buffer);
+ else
+ memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (i));
+
+ /* Print as integer in hex only. */
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ gdb_stdout, 'x', 1, 0, Val_pretty_default);
+ printf_filtered ("\n");
+ }
+}
+
+static void
+rs6000_altivec_registers_info (char *addr_exp, int from_tty)
+{
+ int regnum, numregs;
+ register char *end;
+
+ if (!target_has_registers)
+ error ("The program has no registers now.");
+ if (selected_frame == NULL)
+ error ("No selected frame.");
+
+ if (!addr_exp)
+ {
+ rs6000_do_altivec_registers (-1);
+ return;
+ }
+
+ numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ do
+ {
+ if (addr_exp[0] == '$')
+ addr_exp++;
+ end = addr_exp;
+ while (*end != '\0' && *end != ' ' && *end != '\t')
+ ++end;
+
+ regnum = target_map_name_to_register (addr_exp, end - addr_exp);
+ if (regnum < 0)
+ {
+ regnum = numregs;
+ if (*addr_exp >= '0' && *addr_exp <= '9')
+ regnum = atoi (addr_exp); /* Take a number */
+ if (regnum >= numregs) /* Bad name, or bad number */
+ error ("%.*s: invalid register", end - addr_exp, addr_exp);
+ }
+
+ rs6000_do_altivec_registers (regnum);
+
+ addr_exp = end;
+ while (*addr_exp == ' ' || *addr_exp == '\t')
+ ++addr_exp;
+ }
+ while (*addr_exp != '\0');
+}
+
+static void
+rs6000_do_registers_info (int regnum, int fpregs)
+{
+ register int i;
+ int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+ char *raw_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
+ char *virtual_buffer = (char*) alloca (MAX_REGISTER_VIRTUAL_SIZE);
+
+ for (i = 0; i < numregs; i++)
+ {
+ /* Decide between printing all regs, nonfloat regs, or specific reg. */
+ if (regnum == -1)
+ {
+ if ((TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT && !fpregs)
+ || (altivec_register_p (i) && !fpregs))
+ continue;
+ }
+ else
+ {
+ if (i != regnum)
+ continue;
+ }
+
+ /* If the register name is empty, it is undefined for this
+ processor, so don't display anything. */
+ if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+ continue;
+
+ fputs_filtered (REGISTER_NAME (i), gdb_stdout);
+ print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), gdb_stdout);
+
+ /* Get the data in raw format. */
+ if (read_relative_register_raw_bytes (i, raw_buffer))
+ {
+ printf_filtered ("*value not available*\n");
+ continue;
+ }
+
+ /* Convert raw data to virtual format if necessary. */
+ if (REGISTER_CONVERTIBLE (i))
+ REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+ raw_buffer, virtual_buffer);
+ else
+ memcpy (virtual_buffer, raw_buffer, REGISTER_VIRTUAL_SIZE (i));
+
+ /* If virtual format is floating, print it that way, and in raw hex. */
+ if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+ {
+ register int j;
+
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ gdb_stdout, 0, 1, 0, Val_pretty_default);
+
+ printf_filtered ("\t(raw 0x");
+ for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+ {
+ register int idx = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? j
+ : REGISTER_RAW_SIZE (i) - 1 - j;
+ printf_filtered ("%02x", (unsigned char) raw_buffer[idx]);
+ }
+ printf_filtered (")");
+ }
+ else
+ {
+ /* Print as integer in hex and in decimal. */
+ if (!altivec_register_p (i))
+ {
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ gdb_stdout, 'x', 1, 0, Val_pretty_default);
+ printf_filtered ("\t");
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ gdb_stdout, 0, 1, 0, Val_pretty_default);
+ }
+ else
+ /* Print as integer in hex only. */
+ val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+ gdb_stdout, 'x', 1, 0, Val_pretty_default);
+ }
+ printf_filtered ("\n");
+ }
+}
+
+/* Convert a dbx stab register number (from `r' declaration) to a gdb
+ REGNUM. */
+static int
+rs6000_stab_reg_to_regnum (int num)
+{
+ int regnum;
+ switch (num)
+ {
+ case 64:
+ regnum = gdbarch_tdep (current_gdbarch)->ppc_mq_regnum;
+ break;
+ case 65:
+ regnum = gdbarch_tdep (current_gdbarch)->ppc_lr_regnum;
+ break;
+ case 66:
+ regnum = gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum;
+ break;
+ case 76:
+ regnum = gdbarch_tdep (current_gdbarch)->ppc_xer_regnum;
+ break;
+ default:
+ regnum = num;
+ break;
+ }
+ return regnum;
+}
+
/* Store the address of the place in which to copy the structure the
subroutine will return. This is called from call_function.
TYPE_LENGTH (type));
else
/* Everything else is returned in GPR3 and up. */
- write_register_bytes (REGISTER_BYTE (PPC_GP0_REGNUM + 3), valbuf,
- TYPE_LENGTH (type));
+ write_register_bytes (REGISTER_BYTE (gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + 3),
+ valbuf, TYPE_LENGTH (type));
}
/* Extract from an array REGBUF containing the (raw) register state
systems. */
#define R8(name) { STR(name), 8, 8, 0 }
+/* Return a struct reg defining register NAME that's 128 bits on all
+ systems. */
+#define R16(name) { STR(name), 16, 16, 0 }
+
/* Return a struct reg defining floating-point register NAME. */
#define F(name) { STR(name), 8, 8, 1 }
/* 112 */ R(srr0), R(srr1), R(tbl), R(tbu), \
/* 116 */ R4(dec), R(dabr), R4(ear)
+/* AltiVec registers */
+#define PPC_ALTIVEC_REGS \
+ /*119*/R16(vr0), R16(vr1), R16(vr2), R16(vr3), R16(vr4), R16(vr5), R16(vr6), R16(vr7), \
+ /*127*/R16(vr8), R16(vr9), R16(vr10),R16(vr11),R16(vr12),R16(vr13),R16(vr14),R16(vr15), \
+ /*135*/R16(vr16),R16(vr17),R16(vr18),R16(vr19),R16(vr20),R16(vr21),R16(vr22),R16(vr23), \
+ /*143*/R16(vr24),R16(vr25),R16(vr26),R16(vr27),R16(vr28),R16(vr29),R16(vr30),R16(vr31), \
+ /*151*/R4(vscr), R4(vrsave)
+
/* IBM POWER (pre-PowerPC) architecture, user-level view. We only cover
user-level SPR's. */
static const struct reg registers_power[] =
static const struct reg registers_powerpc[] =
{
COMMON_UISA_REGS,
- PPC_UISA_SPRS
+ PPC_UISA_SPRS,
+ PPC_ALTIVEC_REGS
};
/* IBM PowerPC 403. */
};
+/* Motorola PowerPC 7400. */
+static const struct reg registers_7400[] =
+{
+ /* gpr0-gpr31, fpr0-fpr31 */
+ COMMON_UISA_REGS,
+ /* ctr, xre, lr, cr */
+ PPC_UISA_SPRS,
+ /* sr0-sr15 */
+ PPC_SEGMENT_REGS,
+ PPC_OEA_SPRS,
+ /* vr0-vr31, vrsave, vscr */
+ PPC_ALTIVEC_REGS
+ /* FIXME? Add more registers? */
+};
+
/* Information about a particular processor variant. */
struct variant
bfd_mach_ppc_860, num_registers (registers_860), registers_860},
{"750", "Motorola/IBM PowerPC 750 or 740", bfd_arch_powerpc,
bfd_mach_ppc_750, num_registers (registers_750), registers_750},
+ {"7400", "Motorola/IBM PowerPC 7400 (G4)", bfd_arch_powerpc,
+ bfd_mach_ppc_7400, num_registers (registers_7400), registers_7400},
/* FIXME: I haven't checked the register sets of the following. */
{"620", "Motorola PowerPC 620", bfd_arch_powerpc,
#undef num_registers
-/* Look up the variant named NAME in the `variants' table. Return a
- pointer to the struct variant, or null if we couldn't find it. */
-
-static const struct variant *
-find_variant_by_name (char *name)
-{
- const struct variant *v;
-
- for (v = variants; v->name; v++)
- if (!strcmp (name, v->name))
- return v;
-
- return NULL;
-}
-
/* Return the variant corresponding to architecture ARCH and machine number
MACH. If no such variant exists, return null. */
osabi = get_elfosabi (info.abfd);
- /* Check word size. If INFO is from a binary file, infer it from that,
- else use the previously-inferred size. */
+ /* Check word size. If INFO is from a binary file, infer it from
+ that, else choose a likely default. */
if (from_xcoff_exec)
{
if (xcoff_data (info.abfd)->xcoff64)
}
else
{
- tdep = TDEP;
- if (tdep)
- wordsize = tdep->wordsize;
- else
- wordsize = 4;
+ wordsize = 4;
}
/* Find a candidate among extant architectures. */
/* Select instruction printer. */
tm_print_insn = arch == power ? print_insn_rs6000 :
- info.byte_order == BIG_ENDIAN ? print_insn_big_powerpc :
+ info.byte_order == BFD_ENDIAN_BIG ? print_insn_big_powerpc :
print_insn_little_powerpc;
/* Choose variant. */
v = find_variant_by_arch (arch, mach);
if (!v)
- v = find_variant_by_name (power ? "power" : "powerpc");
+ return NULL;
+
tdep->regs = v->regs;
+ tdep->ppc_gp0_regnum = 0;
+ tdep->ppc_gplast_regnum = 31;
+ tdep->ppc_toc_regnum = 2;
+ tdep->ppc_ps_regnum = 65;
+ tdep->ppc_cr_regnum = 66;
+ tdep->ppc_lr_regnum = 67;
+ tdep->ppc_ctr_regnum = 68;
+ tdep->ppc_xer_regnum = 69;
+ if (v->mach == bfd_mach_ppc_601)
+ tdep->ppc_mq_regnum = 124;
+ else
+ tdep->ppc_mq_regnum = 70;
+
+ if (v->arch == bfd_arch_powerpc)
+ switch (v->mach)
+ {
+ case bfd_mach_ppc:
+ tdep->ppc_vr0_regnum = 71;
+ tdep->ppc_vrsave_regnum = 104;
+ break;
+ case bfd_mach_ppc_7400:
+ tdep->ppc_vr0_regnum = 119;
+ tdep->ppc_vrsave_regnum = 153;
+ break;
+ default:
+ tdep->ppc_vr0_regnum = -1;
+ tdep->ppc_vrsave_regnum = -1;
+ break;
+ }
+
/* Calculate byte offsets in raw register array. */
tdep->regoff = xmalloc (v->nregs * sizeof (int));
for (i = off = 0; i < v->nregs; i++)
set_gdbarch_register_bytes (gdbarch, off);
set_gdbarch_register_byte (gdbarch, rs6000_register_byte);
set_gdbarch_register_raw_size (gdbarch, rs6000_register_raw_size);
- set_gdbarch_max_register_raw_size (gdbarch, 8);
- set_gdbarch_register_virtual_size (gdbarch, rs6000_register_virtual_size);
- set_gdbarch_max_register_virtual_size (gdbarch, 8);
+ set_gdbarch_max_register_raw_size (gdbarch, 16);
+ set_gdbarch_register_virtual_size (gdbarch, generic_register_virtual_size);
+ set_gdbarch_max_register_virtual_size (gdbarch, 16);
set_gdbarch_register_virtual_type (gdbarch, rs6000_register_virtual_type);
+ set_gdbarch_do_registers_info (gdbarch, rs6000_do_registers_info);
set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
+ set_gdbarch_char_signed (gdbarch, 0);
set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
set_gdbarch_call_dummy_length (gdbarch, 0);
set_gdbarch_register_convertible (gdbarch, rs6000_register_convertible);
set_gdbarch_register_convert_to_virtual (gdbarch, rs6000_register_convert_to_virtual);
set_gdbarch_register_convert_to_raw (gdbarch, rs6000_register_convert_to_raw);
+ set_gdbarch_stab_reg_to_regnum (gdbarch, rs6000_stab_reg_to_regnum);
set_gdbarch_extract_return_value (gdbarch, rs6000_extract_return_value);
set_gdbarch_store_struct_return (gdbarch, rs6000_store_struct_return);
set_gdbarch_store_return_value (gdbarch, rs6000_store_return_value);
set_gdbarch_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address);
- set_gdbarch_use_struct_convention (gdbarch, generic_use_struct_convention);
-
set_gdbarch_pop_frame (gdbarch, rs6000_pop_frame);
set_gdbarch_skip_prologue (gdbarch, rs6000_skip_prologue);
/* Not sure on this. FIXMEmgo */
set_gdbarch_frame_args_skip (gdbarch, 8);
+ /* Until November 2001, gcc was not complying to the SYSV ABI for
+ returning structures less than or equal to 8 bytes in size. It was
+ returning everything in memory. When this was corrected, it wasn't
+ fixed for native platforms. */
+ if (sysv_abi)
+ {
+ if (osabi == ELFOSABI_LINUX
+ || osabi == ELFOSABI_NETBSD
+ || osabi == ELFOSABI_FREEBSD)
+ set_gdbarch_use_struct_convention (gdbarch,
+ generic_use_struct_convention);
+ else
+ set_gdbarch_use_struct_convention (gdbarch,
+ ppc_sysv_abi_use_struct_convention);
+ }
+ else
+ {
+ set_gdbarch_use_struct_convention (gdbarch,
+ generic_use_struct_convention);
+ }
+
set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
if (osabi == ELFOSABI_LINUX)
{
set_gdbarch_memory_remove_breakpoint (gdbarch,
ppc_linux_memory_remove_breakpoint);
+ set_solib_svr4_fetch_link_map_offsets
+ (gdbarch, ppc_linux_svr4_fetch_link_map_offsets);
}
else
{
return gdbarch;
}
+static struct cmd_list_element *info_powerpc_cmdlist = NULL;
+
+static void
+rs6000_info_powerpc_command (char *args, int from_tty)
+{
+ help_list (info_powerpc_cmdlist, "info powerpc ", class_info, gdb_stdout);
+}
+
/* Initialization code. */
void
{
register_gdbarch_init (bfd_arch_rs6000, rs6000_gdbarch_init);
register_gdbarch_init (bfd_arch_powerpc, rs6000_gdbarch_init);
+
+ /* Add root prefix command for "info powerpc" commands */
+ add_prefix_cmd ("powerpc", class_info, rs6000_info_powerpc_command,
+ "Various POWERPC info specific commands.",
+ &info_powerpc_cmdlist, "info powerpc ", 0, &infolist);
+
+ add_cmd ("altivec", class_info, rs6000_altivec_registers_info,
+ "Display the contents of the AltiVec registers.",
+ &info_powerpc_cmdlist);
+
}