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-rw-r--r--contrib/binutils/gas/config/tc-ppc.c658
1 files changed, 339 insertions, 319 deletions
diff --git a/contrib/binutils/gas/config/tc-ppc.c b/contrib/binutils/gas/config/tc-ppc.c
index d5bdb9e..a86a3be 100644
--- a/contrib/binutils/gas/config/tc-ppc.c
+++ b/contrib/binutils/gas/config/tc-ppc.c
@@ -1,6 +1,6 @@
/* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support.
This file is part of GAS, the GNU Assembler.
@@ -20,7 +20,6 @@
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
-#include <stdio.h>
#include "as.h"
#include "safe-ctype.h"
#include "subsegs.h"
@@ -85,67 +84,57 @@ static int set_target_endian = 0;
static bfd_boolean reg_names_p = TARGET_REG_NAMES_P;
-static bfd_boolean register_name PARAMS ((expressionS *));
-static void ppc_set_cpu PARAMS ((void));
-static unsigned long ppc_insert_operand
- PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
- offsetT val, char *file, unsigned int line));
-static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro));
-static void ppc_byte PARAMS ((int));
+static void ppc_macro (char *, const struct powerpc_macro *);
+static void ppc_byte (int);
#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
-static int ppc_is_toc_sym PARAMS ((symbolS *sym));
-static void ppc_tc PARAMS ((int));
-static void ppc_machine PARAMS ((int));
+static void ppc_tc (int);
+static void ppc_machine (int);
#endif
#ifdef OBJ_XCOFF
-static void ppc_comm PARAMS ((int));
-static void ppc_bb PARAMS ((int));
-static void ppc_bc PARAMS ((int));
-static void ppc_bf PARAMS ((int));
-static void ppc_biei PARAMS ((int));
-static void ppc_bs PARAMS ((int));
-static void ppc_eb PARAMS ((int));
-static void ppc_ec PARAMS ((int));
-static void ppc_ef PARAMS ((int));
-static void ppc_es PARAMS ((int));
-static void ppc_csect PARAMS ((int));
-static void ppc_change_csect PARAMS ((symbolS *, offsetT));
-static void ppc_function PARAMS ((int));
-static void ppc_extern PARAMS ((int));
-static void ppc_lglobl PARAMS ((int));
-static void ppc_section PARAMS ((int));
-static void ppc_named_section PARAMS ((int));
-static void ppc_stabx PARAMS ((int));
-static void ppc_rename PARAMS ((int));
-static void ppc_toc PARAMS ((int));
-static void ppc_xcoff_cons PARAMS ((int));
-static void ppc_vbyte PARAMS ((int));
+static void ppc_comm (int);
+static void ppc_bb (int);
+static void ppc_bc (int);
+static void ppc_bf (int);
+static void ppc_biei (int);
+static void ppc_bs (int);
+static void ppc_eb (int);
+static void ppc_ec (int);
+static void ppc_ef (int);
+static void ppc_es (int);
+static void ppc_csect (int);
+static void ppc_change_csect (symbolS *, offsetT);
+static void ppc_function (int);
+static void ppc_extern (int);
+static void ppc_lglobl (int);
+static void ppc_section (int);
+static void ppc_named_section (int);
+static void ppc_stabx (int);
+static void ppc_rename (int);
+static void ppc_toc (int);
+static void ppc_xcoff_cons (int);
+static void ppc_vbyte (int);
#endif
#ifdef OBJ_ELF
-static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *));
-static void ppc_elf_cons PARAMS ((int));
-static void ppc_elf_rdata PARAMS ((int));
-static void ppc_elf_lcomm PARAMS ((int));
-static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
-static void ppc_apuinfo_section_add PARAMS ((unsigned int apu, unsigned int version));
+static void ppc_elf_cons (int);
+static void ppc_elf_rdata (int);
+static void ppc_elf_lcomm (int);
#endif
#ifdef TE_PE
-static void ppc_set_current_section PARAMS ((segT));
-static void ppc_previous PARAMS ((int));
-static void ppc_pdata PARAMS ((int));
-static void ppc_ydata PARAMS ((int));
-static void ppc_reldata PARAMS ((int));
-static void ppc_rdata PARAMS ((int));
-static void ppc_ualong PARAMS ((int));
-static void ppc_znop PARAMS ((int));
-static void ppc_pe_comm PARAMS ((int));
-static void ppc_pe_section PARAMS ((int));
-static void ppc_pe_function PARAMS ((int));
-static void ppc_pe_tocd PARAMS ((int));
+static void ppc_previous (int);
+static void ppc_pdata (int);
+static void ppc_ydata (int);
+static void ppc_reldata (int);
+static void ppc_rdata (int);
+static void ppc_ualong (int);
+static void ppc_znop (int);
+static void ppc_pe_comm (int);
+static void ppc_pe_section (int);
+static void ppc_pe_function (int);
+static void ppc_pe_tocd (int);
#endif
/* Generic assembler global variables which must be defined by all
@@ -183,11 +172,9 @@ const char EXP_CHARS[] = "eE";
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
-/* '+' and '-' can be used as postfix predicate predictors for conditional
- branches. So they need to be accepted as symbol characters.
- Also, anything that can start an operand needs to be mentioned here,
+/* Anything that can start an operand needs to be mentioned here,
to stop the input scrubber eating whitespace. */
-const char ppc_symbol_chars[] = "+-%[";
+const char ppc_symbol_chars[] = "%[";
/* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
int ppc_cie_data_alignment;
@@ -567,14 +554,8 @@ static const struct pd_reg pre_defined_registers[] =
/* Given NAME, find the register number associated with that name, return
the integer value associated with the given name or -1 on failure. */
-static int reg_name_search
- PARAMS ((const struct pd_reg *, int, const char * name));
-
static int
-reg_name_search (regs, regcount, name)
- const struct pd_reg *regs;
- int regcount;
- const char *name;
+reg_name_search (const struct pd_reg *regs, int regcount, const char *name)
{
int middle, low, high;
int cmp;
@@ -611,8 +592,7 @@ reg_name_search (regs, regcount, name)
*/
static bfd_boolean
-register_name (expressionP)
- expressionS *expressionP;
+register_name (expressionS *expressionP)
{
int reg_number;
char *name;
@@ -679,9 +659,7 @@ static const struct pd_reg cr_names[] =
expression. */
int
-ppc_parse_name (name, expr)
- const char *name;
- expressionS *expr;
+ppc_parse_name (const char *name, expressionS *expr)
{
int val;
@@ -917,6 +895,18 @@ parse_cpu (const char *arg)
| PPC_OPCODE_64 | PPC_OPCODE_POWER4
| PPC_OPCODE_POWER5);
}
+ else if (strcmp (arg, "power6") == 0)
+ {
+ ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
+ | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6);
+ }
+ else if (strcmp (arg, "cell") == 0)
+ {
+ ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
+ | PPC_OPCODE_64 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_CELL);
+ }
/* -mcom means assemble for the common intersection between Power
and PowerPC. At present, we just allow the union, rather
than the intersection. */
@@ -932,9 +922,7 @@ parse_cpu (const char *arg)
}
int
-md_parse_option (c, arg)
- int c;
- char *arg;
+md_parse_option (int c, char *arg)
{
switch (c)
{
@@ -1088,8 +1076,7 @@ md_parse_option (c, arg)
}
void
-md_show_usage (stream)
- FILE *stream;
+md_show_usage (FILE *stream)
{
fprintf (stream, _("\
PowerPC options:\n\
@@ -1112,6 +1099,8 @@ PowerPC options:\n\
-mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
-mpower4 generate code for Power4 architecture\n\
-mpower5 generate code for Power5 architecture\n\
+-mpower6 generate code for Power6 architecture\n\
+-mcell generate code for Cell Broadband Engine architecture\n\
-mcom generate code Power/PowerPC common instructions\n\
-many generate code for any architecture (PWR/PWRX/PPC)\n"));
fprintf (stream, _("\
@@ -1140,7 +1129,7 @@ PowerPC options:\n\
/* Set ppc_cpu if it is not already set. */
static void
-ppc_set_cpu ()
+ppc_set_cpu (void)
{
const char *default_os = TARGET_OS;
const char *default_cpu = TARGET_CPU;
@@ -1168,7 +1157,7 @@ ppc_set_cpu ()
are called well before md_begin, when the output file is opened. */
enum bfd_architecture
-ppc_arch ()
+ppc_arch (void)
{
const char *default_cpu = TARGET_CPU;
ppc_set_cpu ();
@@ -1190,7 +1179,7 @@ ppc_arch ()
}
unsigned long
-ppc_mach ()
+ppc_mach (void)
{
if (ppc_obj64)
return bfd_mach_ppc64;
@@ -1201,7 +1190,7 @@ ppc_mach ()
}
extern char*
-ppc_target_format ()
+ppc_target_format (void)
{
#ifdef OBJ_COFF
#ifdef TE_PE
@@ -1233,11 +1222,11 @@ ppc_target_format ()
static void
ppc_setup_opcodes (void)
{
- register const struct powerpc_opcode *op;
+ const struct powerpc_opcode *op;
const struct powerpc_opcode *op_end;
const struct powerpc_macro *macro;
const struct powerpc_macro *macro_end;
- bfd_boolean dup_insn = FALSE;
+ bfd_boolean bad_insn = FALSE;
if (ppc_hash != NULL)
hash_die (ppc_hash);
@@ -1247,10 +1236,77 @@ ppc_setup_opcodes (void)
/* Insert the opcodes into a hash table. */
ppc_hash = hash_new ();
+ if (ENABLE_CHECKING)
+ {
+ unsigned int i;
+
+ /* Check operand masks. Code here and in the disassembler assumes
+ all the 1's in the mask are contiguous. */
+ for (i = 0; i < num_powerpc_operands; ++i)
+ {
+ unsigned long mask = powerpc_operands[i].bitm;
+ unsigned long right_bit;
+ unsigned int j;
+
+ right_bit = mask & -mask;
+ mask += right_bit;
+ right_bit = mask & -mask;
+ if (mask != right_bit)
+ {
+ as_bad (_("powerpc_operands[%d].bitm invalid"), i);
+ bad_insn = TRUE;
+ }
+ for (j = i + 1; j < num_powerpc_operands; ++j)
+ if (memcmp (&powerpc_operands[i], &powerpc_operands[j],
+ sizeof (powerpc_operands[0])) == 0)
+ {
+ as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"),
+ j, i);
+ bad_insn = TRUE;
+ }
+ }
+ }
+
op_end = powerpc_opcodes + powerpc_num_opcodes;
for (op = powerpc_opcodes; op < op_end; op++)
{
- know ((op->opcode & op->mask) == op->opcode);
+ if (ENABLE_CHECKING)
+ {
+ const unsigned char *o;
+ unsigned long omask = op->mask;
+
+ /* The mask had better not trim off opcode bits. */
+ if ((op->opcode & omask) != op->opcode)
+ {
+ as_bad (_("mask trims opcode bits for %s"),
+ op->name);
+ bad_insn = TRUE;
+ }
+
+ /* The operands must not overlap the opcode or each other. */
+ for (o = op->operands; *o; ++o)
+ if (*o >= num_powerpc_operands)
+ {
+ as_bad (_("operand index error for %s"),
+ op->name);
+ bad_insn = TRUE;
+ }
+ else
+ {
+ const struct powerpc_operand *operand = &powerpc_operands[*o];
+ if (operand->shift >= 0)
+ {
+ unsigned long mask = operand->bitm << operand->shift;
+ if (omask & mask)
+ {
+ as_bad (_("operand %d overlap in %s"),
+ (int) (o - op->operands), op->name);
+ bad_insn = TRUE;
+ }
+ omask |= mask;
+ }
+ }
+ }
if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
&& ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
@@ -1270,11 +1326,14 @@ ppc_setup_opcodes (void)
== (ppc_cpu & PPC_OPCODE_POWER4)))
&& ((op->flags & PPC_OPCODE_POWER5) == 0
|| ((op->flags & PPC_OPCODE_POWER5)
- == (ppc_cpu & PPC_OPCODE_POWER5))))
+ == (ppc_cpu & PPC_OPCODE_POWER5)))
+ && ((op->flags & PPC_OPCODE_POWER6) == 0
+ || ((op->flags & PPC_OPCODE_POWER6)
+ == (ppc_cpu & PPC_OPCODE_POWER6))))
{
const char *retval;
- retval = hash_insert (ppc_hash, op->name, (PTR) op);
+ retval = hash_insert (ppc_hash, op->name, (void *) op);
if (retval != NULL)
{
/* Ignore Power duplicates for -m601. */
@@ -1282,16 +1341,16 @@ ppc_setup_opcodes (void)
&& (op->flags & PPC_OPCODE_POWER) != 0)
continue;
- as_bad (_("Internal assembler error for instruction %s"),
+ as_bad (_("duplicate instruction %s"),
op->name);
- dup_insn = TRUE;
+ bad_insn = TRUE;
}
}
}
if ((ppc_cpu & PPC_OPCODE_ANY) != 0)
for (op = powerpc_opcodes; op < op_end; op++)
- hash_insert (ppc_hash, op->name, (PTR) op);
+ hash_insert (ppc_hash, op->name, (void *) op);
/* Insert the macros into a hash table. */
ppc_macro_hash = hash_new ();
@@ -1303,16 +1362,16 @@ ppc_setup_opcodes (void)
{
const char *retval;
- retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
+ retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro);
if (retval != (const char *) NULL)
{
- as_bad (_("Internal assembler error for macro %s"), macro->name);
- dup_insn = TRUE;
+ as_bad (_("duplicate macro %s"), macro->name);
+ bad_insn = TRUE;
}
}
}
- if (dup_insn)
+ if (bad_insn)
abort ();
}
@@ -1321,7 +1380,7 @@ ppc_setup_opcodes (void)
opened. */
void
-md_begin ()
+md_begin (void)
{
ppc_set_cpu ();
@@ -1364,7 +1423,7 @@ md_begin ()
}
void
-ppc_cleanup ()
+ppc_cleanup (void)
{
#ifdef OBJ_ELF
if (ppc_apuinfo_list == NULL)
@@ -1426,54 +1485,60 @@ ppc_cleanup ()
/* Insert an operand value into an instruction. */
static unsigned long
-ppc_insert_operand (insn, operand, val, file, line)
- unsigned long insn;
- const struct powerpc_operand *operand;
- offsetT val;
- char *file;
- unsigned int line;
+ppc_insert_operand (unsigned long insn,
+ const struct powerpc_operand *operand,
+ offsetT val,
+ char *file,
+ unsigned int line)
{
- if (operand->bits != 32)
+ long min, max, right;
+
+ max = operand->bitm;
+ right = max & -max;
+ min = 0;
+
+ if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
{
- long min, max;
- offsetT test;
+ if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0)
+ max = (max >> 1) & -right;
+ min = ~max & -right;
+ }
- if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
- {
- if ((operand->flags & PPC_OPERAND_SIGNOPT) != 0)
- max = (1 << operand->bits) - 1;
- else
- max = (1 << (operand->bits - 1)) - 1;
- min = - (1 << (operand->bits - 1));
+ if ((operand->flags & PPC_OPERAND_PLUS1) != 0)
+ max++;
- if (!ppc_obj64)
- {
- /* Some people write 32 bit hex constants with the sign
- extension done by hand. This shouldn't really be
- valid, but, to permit this code to assemble on a 64
- bit host, we sign extend the 32 bit value. */
- if (val > 0
- && (val & (offsetT) 0x80000000) != 0
- && (val & (offsetT) 0xffffffff) == val)
- {
- val -= 0x80000000;
- val -= 0x80000000;
- }
- }
- }
- else
- {
- max = (1 << operand->bits) - 1;
- min = 0;
- }
+ if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
+ {
+ long tmp = min;
+ min = -max;
+ max = -tmp;
+ }
- if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
- test = - val;
- else
- test = val;
+ if (min <= max)
+ {
+ /* Some people write constants with the sign extension done by
+ hand but only up to 32 bits. This shouldn't really be valid,
+ but, to permit this code to assemble on a 64-bit host, we
+ sign extend the 32-bit value to 64 bits if so doing makes the
+ value valid. */
+ if (val > max
+ && (offsetT) (val - 0x80000000 - 0x80000000) >= min
+ && (offsetT) (val - 0x80000000 - 0x80000000) <= max
+ && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0)
+ val = val - 0x80000000 - 0x80000000;
- if (test < (offsetT) min || test > (offsetT) max)
- as_bad_value_out_of_range (_("operand"), test, (offsetT) min, (offsetT) max, file, line);
+ /* Similarly, people write expressions like ~(1<<15), and expect
+ this to be OK for a 32-bit unsigned value. */
+ else if (val < min
+ && (offsetT) (val + 0x80000000 + 0x80000000) >= min
+ && (offsetT) (val + 0x80000000 + 0x80000000) <= max
+ && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0)
+ val = val + 0x80000000 + 0x80000000;
+
+ else if (val < min
+ || val > max
+ || (val & (right - 1)) != 0)
+ as_bad_value_out_of_range (_("operand"), val, min, max, file, line);
}
if (operand->insert)
@@ -1486,8 +1551,7 @@ ppc_insert_operand (insn, operand, val, file, line)
as_bad_where (file, line, errmsg);
}
else
- insn |= (((long) val & ((1 << operand->bits) - 1))
- << operand->shift);
+ insn |= ((long) val & operand->bitm) << operand->shift;
return insn;
}
@@ -1496,9 +1560,7 @@ ppc_insert_operand (insn, operand, val, file, line)
#ifdef OBJ_ELF
/* Parse @got, etc. and return the desired relocation. */
static bfd_reloc_code_real_type
-ppc_elf_suffix (str_p, exp_p)
- char **str_p;
- expressionS *exp_p;
+ppc_elf_suffix (char **str_p, expressionS *exp_p)
{
struct map_bfd {
char *string;
@@ -1676,8 +1738,7 @@ ppc_elf_suffix (str_p, exp_p)
/* Like normal .long/.short/.word, except support @got, etc.
Clobbers input_line_pointer, checks end-of-line. */
static void
-ppc_elf_cons (nbytes)
- register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */
+ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */)
{
expressionS exp;
bfd_reloc_code_real_type reloc;
@@ -1732,8 +1793,7 @@ ppc_elf_cons (nbytes)
/* Solaris pseduo op to change to the .rodata section. */
static void
-ppc_elf_rdata (xxx)
- int xxx;
+ppc_elf_rdata (int xxx)
{
char *save_line = input_line_pointer;
static char section[] = ".rodata\n";
@@ -1747,14 +1807,13 @@ ppc_elf_rdata (xxx)
/* Pseudo op to make file scope bss items. */
static void
-ppc_elf_lcomm (xxx)
- int xxx ATTRIBUTE_UNUSED;
+ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED)
{
- register char *name;
- register char c;
- register char *p;
+ char *name;
+ char c;
+ char *p;
offsetT size;
- register symbolS *symbolP;
+ symbolS *symbolP;
offsetT align;
segT old_sec;
int old_subsec;
@@ -1857,9 +1916,7 @@ ppc_elf_lcomm (xxx)
fixups for word relocations in writable segments, so we can adjust
them at runtime. */
static void
-ppc_elf_validate_fix (fixp, seg)
- fixS *fixp;
- segT seg;
+ppc_elf_validate_fix (fixS *fixp, segT seg)
{
if (fixp->fx_done || fixp->fx_pcrel)
return;
@@ -1904,7 +1961,7 @@ ppc_elf_validate_fix (fixp, seg)
function descriptor sym if the corresponding code sym is used. */
void
-ppc_frob_file_before_adjust ()
+ppc_frob_file_before_adjust (void)
{
symbolS *symp;
asection *toc;
@@ -1987,8 +2044,7 @@ enum toc_size_qualifier
};
static int
-parse_toc_entry (toc_kind)
- enum toc_size_qualifier *toc_kind;
+parse_toc_entry (enum toc_size_qualifier *toc_kind)
{
char *start;
char *toc_spec;
@@ -2052,8 +2108,7 @@ parse_toc_entry (toc_kind)
#ifdef OBJ_ELF
#define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
static void
-ppc_apuinfo_section_add (apu, version)
- unsigned int apu, version;
+ppc_apuinfo_section_add (unsigned int apu, unsigned int version)
{
unsigned int i;
@@ -2099,8 +2154,7 @@ struct ppc_fixup
/* This routine is called for each instruction to be assembled. */
void
-md_assemble (str)
- char *str;
+md_assemble (char *str)
{
char *s;
const struct powerpc_opcode *opcode;
@@ -2724,16 +2778,14 @@ md_assemble (str)
around operands here. */
static void
-ppc_macro (str, macro)
- char *str;
- const struct powerpc_macro *macro;
+ppc_macro (char *str, const struct powerpc_macro *macro)
{
char *operands[10];
unsigned int count;
char *s;
unsigned int len;
const char *format;
- int arg;
+ unsigned int arg;
char *send;
char *complete;
@@ -2771,7 +2823,7 @@ ppc_macro (str, macro)
else
{
arg = strtol (format + 1, &send, 10);
- know (send != format && arg >= 0 && arg < count);
+ know (send != format && arg < count);
len += strlen (operands[arg]);
format = send;
}
@@ -2802,9 +2854,7 @@ ppc_macro (str, macro)
/* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
int
-ppc_section_letter (letter, ptr_msg)
- int letter;
- char **ptr_msg;
+ppc_section_letter (int letter, char **ptr_msg)
{
if (letter == 'e')
return SHF_EXCLUDE;
@@ -2814,9 +2864,7 @@ ppc_section_letter (letter, ptr_msg)
}
int
-ppc_section_word (str, len)
- char *str;
- size_t len;
+ppc_section_word (char *str, size_t len)
{
if (len == 7 && strncmp (str, "exclude", 7) == 0)
return SHF_EXCLUDE;
@@ -2825,9 +2873,7 @@ ppc_section_word (str, len)
}
int
-ppc_section_type (str, len)
- char *str;
- size_t len;
+ppc_section_type (char *str, size_t len)
{
if (len == 7 && strncmp (str, "ordered", 7) == 0)
return SHT_ORDERED;
@@ -2836,10 +2882,7 @@ ppc_section_type (str, len)
}
int
-ppc_section_flags (flags, attr, type)
- int flags;
- int attr;
- int type;
+ppc_section_flags (int flags, int attr, int type)
{
if (type == SHT_ORDERED)
flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
@@ -2858,8 +2901,7 @@ ppc_section_flags (flags, attr, type)
pseudo-op, but it can also take a single ASCII string. */
static void
-ppc_byte (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_byte (int ignore ATTRIBUTE_UNUSED)
{
if (*input_line_pointer != '\"')
{
@@ -2903,8 +2945,7 @@ static bfd_boolean ppc_stab_symbol;
aligns .comm and .lcomm to 4 bytes. */
static void
-ppc_comm (lcomm)
- int lcomm;
+ppc_comm (int lcomm)
{
asection *current_seg = now_seg;
subsegT current_subseg = now_subseg;
@@ -3058,8 +3099,7 @@ ppc_comm (lcomm)
optional second argument is the alignment (the default is 2). */
static void
-ppc_csect (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_csect (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3094,9 +3134,7 @@ ppc_csect (ignore)
/* Change to a different csect. */
static void
-ppc_change_csect (sym, align)
- symbolS *sym;
- offsetT align;
+ppc_change_csect (symbolS *sym, offsetT align)
{
if (S_IS_DEFINED (sym))
subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
@@ -3196,8 +3234,7 @@ ppc_change_csect (sym, align)
convenience of people who aren't used to XCOFF. */
static void
-ppc_section (type)
- int type;
+ppc_section (int type)
{
const char *name;
symbolS *sym;
@@ -3221,8 +3258,7 @@ ppc_section (type)
we do permit the user to name the text or data section. */
static void
-ppc_named_section (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_named_section (int ignore ATTRIBUTE_UNUSED)
{
char *user_name;
const char *real_name;
@@ -3256,8 +3292,7 @@ ppc_named_section (ignore)
/* The .extern pseudo-op. We create an undefined symbol. */
static void
-ppc_extern (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_extern (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3275,8 +3310,7 @@ ppc_extern (ignore)
/* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
static void
-ppc_lglobl (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_lglobl (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3298,8 +3332,7 @@ ppc_lglobl (ignore)
although I don't know why it bothers. */
static void
-ppc_rename (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_rename (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3334,8 +3367,7 @@ ppc_rename (ignore)
always zero, and I am assuming it is the type. */
static void
-ppc_stabx (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_stabx (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int len;
@@ -3461,8 +3493,7 @@ ppc_stabx (ignore)
gets an aux entry like that used for a csect. */
static void
-ppc_function (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_function (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3555,8 +3586,7 @@ ppc_function (ignore)
static symbolS *saved_bi_sym = 0;
static void
-ppc_bf (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_bf (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3591,8 +3621,7 @@ ppc_bf (ignore)
most recent ".bf" symbol. */
static void
-ppc_ef (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_ef (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3616,8 +3645,7 @@ ppc_ef (ignore)
is encountered. */
static void
-ppc_biei (ei)
- int ei;
+ppc_biei (int ei)
{
static symbolS *last_biei;
@@ -3671,8 +3699,7 @@ ppc_biei (ei)
.bs symbol is the index of this csect symbol. */
static void
-ppc_bs (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_bs (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -3707,8 +3734,7 @@ ppc_bs (ignore)
/* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
static void
-ppc_es (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_es (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3732,8 +3758,7 @@ ppc_es (ignore)
line number. */
static void
-ppc_bb (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_bb (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3759,8 +3784,7 @@ ppc_bb (ignore)
line number. */
static void
-ppc_eb (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_eb (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3784,8 +3808,7 @@ ppc_eb (ignore)
specified name. */
static void
-ppc_bc (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_bc (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int len;
@@ -3807,8 +3830,7 @@ ppc_bc (ignore)
/* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
static void
-ppc_ec (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_ec (int ignore ATTRIBUTE_UNUSED)
{
symbolS *sym;
@@ -3827,8 +3849,7 @@ ppc_ec (ignore)
/* The .toc pseudo-op. Switch to the .toc subsegment. */
static void
-ppc_toc (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_toc (int ignore ATTRIBUTE_UNUSED)
{
if (ppc_toc_csect != (symbolS *) NULL)
subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
@@ -3874,8 +3895,7 @@ ppc_toc (ignore)
.short pseudo-op, and we want to be compatible. */
static void
-ppc_xcoff_cons (log_size)
- int log_size;
+ppc_xcoff_cons (int log_size)
{
frag_align (log_size, 0, 0);
record_alignment (now_seg, log_size);
@@ -3883,8 +3903,7 @@ ppc_xcoff_cons (log_size)
}
static void
-ppc_vbyte (dummy)
- int dummy ATTRIBUTE_UNUSED;
+ppc_vbyte (int dummy ATTRIBUTE_UNUSED)
{
expressionS exp;
int byte_count;
@@ -3927,8 +3946,7 @@ ppc_vbyte (dummy)
the first argument is simply ignored. */
static void
-ppc_tc (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_tc (int ignore ATTRIBUTE_UNUSED)
{
#ifdef OBJ_XCOFF
@@ -4014,8 +4032,7 @@ ppc_tc (ignore)
/* Pseudo-op .machine. */
static void
-ppc_machine (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_machine (int ignore ATTRIBUTE_UNUSED)
{
char *cpu_string;
#define MAX_HISTORY 100
@@ -4078,8 +4095,7 @@ ppc_machine (ignore)
/* See whether a symbol is in the TOC section. */
static int
-ppc_is_toc_sym (sym)
- symbolS *sym;
+ppc_is_toc_sym (symbolS *sym)
{
#ifdef OBJ_XCOFF
return symbol_get_tc (sym)->class == XMC_TC;
@@ -4100,8 +4116,7 @@ ppc_is_toc_sym (sym)
/* Set the current section. */
static void
-ppc_set_current_section (new)
- segT new;
+ppc_set_current_section (segT new)
{
ppc_previous_section = ppc_current_section;
ppc_current_section = new;
@@ -4113,8 +4128,7 @@ ppc_set_current_section (new)
warnings: "No previous section" */
static void
-ppc_previous (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_previous (int ignore ATTRIBUTE_UNUSED)
{
symbolS *tmp;
@@ -4145,8 +4159,7 @@ ppc_previous (ignore)
handling, debugging, etc. */
static void
-ppc_pdata (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_pdata (int ignore ATTRIBUTE_UNUSED)
{
if (pdata_section == 0)
{
@@ -4180,8 +4193,7 @@ ppc_pdata (ignore)
debugging, etc. */
static void
-ppc_ydata (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_ydata (int ignore ATTRIBUTE_UNUSED)
{
if (ydata_section == 0)
{
@@ -4217,8 +4229,7 @@ ppc_ydata (ignore)
function descriptors, etc. */
static void
-ppc_reldata (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_reldata (int ignore ATTRIBUTE_UNUSED)
{
if (reldata_section == 0)
{
@@ -4248,8 +4259,7 @@ ppc_reldata (ignore)
3 - double word aligned (that would be 4 byte boundary) */
static void
-ppc_rdata (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_rdata (int ignore ATTRIBUTE_UNUSED)
{
if (rdata_section == 0)
{
@@ -4275,8 +4285,7 @@ ppc_rdata (ignore)
warnings: None */
static void
-ppc_ualong (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_ualong (int ignore ATTRIBUTE_UNUSED)
{
/* Try for long. */
cons (4);
@@ -4290,8 +4299,7 @@ ppc_ualong (ignore)
warnings: Missing symbol name */
static void
-ppc_znop (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_znop (int ignore ATTRIBUTE_UNUSED)
{
unsigned long insn;
const struct powerpc_opcode *opcode;
@@ -4343,14 +4351,13 @@ ppc_znop (ignore)
warnings: */
static void
-ppc_pe_comm (lcomm)
- int lcomm;
+ppc_pe_comm (int lcomm)
{
- register char *name;
- register char c;
- register char *p;
+ char *name;
+ char c;
+ char *p;
offsetT temp;
- register symbolS *symbolP;
+ symbolS *symbolP;
offsetT align;
name = input_line_pointer;
@@ -4473,8 +4480,7 @@ ppc_pe_comm (lcomm)
*/
void
-ppc_pe_section (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_pe_section (int ignore ATTRIBUTE_UNUSED)
{
/* Strip out the section name. */
char *section_name;
@@ -4562,7 +4568,7 @@ ppc_pe_section (ignore)
case 'R': /* Remove section at link time */
flags |= SEC_NEVER_LOAD;
break;
-
+#if IFLICT_BRAIN_DAMAGE
/* Section Protection */
case 'r': /* section is readable */
flags |= IMAGE_SCN_MEM_READ;
@@ -4606,7 +4612,7 @@ ppc_pe_section (ignore)
flags |= IMAGE_SCN_ALIGN_64BYTES;
align = 6;
break;
-
+#endif
default:
as_bad (_("unknown section attribute '%c'"),
*input_line_pointer);
@@ -4632,12 +4638,10 @@ ppc_pe_section (ignore)
}
bfd_set_section_alignment (stdoutput, sec, align);
-
}
static void
-ppc_pe_function (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_pe_function (int ignore ATTRIBUTE_UNUSED)
{
char *name;
char endc;
@@ -4659,8 +4663,7 @@ ppc_pe_function (ignore)
}
static void
-ppc_pe_tocd (ignore)
- int ignore ATTRIBUTE_UNUSED;
+ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED)
{
if (tocdata_section == 0)
{
@@ -4685,8 +4688,7 @@ ppc_pe_tocd (ignore)
/* Don't adjust TOC relocs to use the section symbol. */
int
-ppc_pe_fix_adjustable (fix)
- fixS *fix;
+ppc_pe_fix_adjustable (fixS *fix)
{
return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
}
@@ -4701,8 +4703,7 @@ ppc_pe_fix_adjustable (fix)
any, to use square brackets, and to be in upper case. */
char *
-ppc_canonicalize_symbol_name (name)
- char *name;
+ppc_canonicalize_symbol_name (char *name)
{
char *s;
@@ -4739,8 +4740,7 @@ ppc_canonicalize_symbol_name (name)
called whenever a new symbol is created. */
void
-ppc_symbol_new_hook (sym)
- symbolS *sym;
+ppc_symbol_new_hook (symbolS *sym)
{
struct ppc_tc_sy *tc;
const char *s;
@@ -4828,8 +4828,7 @@ ppc_symbol_new_hook (sym)
follows the csect symbol. */
void
-ppc_frob_label (sym)
- symbolS *sym;
+ppc_frob_label (symbolS *sym)
{
if (ppc_current_csect != (symbolS *) NULL)
{
@@ -4859,8 +4858,7 @@ static bfd_boolean ppc_saw_abs;
symbol table. */
int
-ppc_frob_symbol (sym)
- symbolS *sym;
+ppc_frob_symbol (symbolS *sym)
{
static symbolS *ppc_last_function;
static symbolS *set_end;
@@ -5123,7 +5121,7 @@ ppc_frob_symbol (sym)
absolute symbols. */
void
-ppc_adjust_symtab ()
+ppc_adjust_symtab (void)
{
symbolS *sym;
@@ -5169,8 +5167,7 @@ ppc_adjust_symtab ()
turn. */
void
-ppc_frob_section (sec)
- asection *sec;
+ppc_frob_section (asection *sec)
{
static bfd_vma vma = 0;
@@ -5187,10 +5184,7 @@ ppc_frob_section (sec)
returned, or NULL on OK. */
char *
-md_atof (type, litp, sizep)
- int type;
- char *litp;
- int *sizep;
+md_atof (int type, char *litp, int *sizep)
{
int prec;
LITTLENUM_TYPE words[4];
@@ -5242,10 +5236,7 @@ md_atof (type, litp, sizep)
endianness. */
void
-md_number_to_chars (buf, val, n)
- char *buf;
- valueT val;
- int n;
+md_number_to_chars (char *buf, valueT val, int n)
{
if (target_big_endian)
number_to_chars_bigendian (buf, val, n);
@@ -5256,21 +5247,22 @@ md_number_to_chars (buf, val, n)
/* Align a section (I don't know why this is machine dependent). */
valueT
-md_section_align (seg, addr)
- asection *seg;
- valueT addr;
+md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr)
{
+#ifdef OBJ_ELF
+ return addr;
+#else
int align = bfd_get_section_alignment (stdoutput, seg);
return ((addr + (1 << align) - 1) & (-1 << align));
+#endif
}
/* We don't have any form of relaxing. */
int
-md_estimate_size_before_relax (fragp, seg)
- fragS *fragp ATTRIBUTE_UNUSED;
- asection *seg ATTRIBUTE_UNUSED;
+md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED,
+ asection *seg ATTRIBUTE_UNUSED)
{
abort ();
return 0;
@@ -5279,10 +5271,9 @@ md_estimate_size_before_relax (fragp, seg)
/* Convert a machine dependent frag. We never generate these. */
void
-md_convert_frag (abfd, sec, fragp)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *sec ATTRIBUTE_UNUSED;
- fragS *fragp ATTRIBUTE_UNUSED;
+md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED,
+ fragS *fragp ATTRIBUTE_UNUSED)
{
abort ();
}
@@ -5290,8 +5281,7 @@ md_convert_frag (abfd, sec, fragp)
/* We have no need to default values of symbols. */
symbolS *
-md_undefined_symbol (name)
- char *name ATTRIBUTE_UNUSED;
+md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
{
return 0;
}
@@ -5302,9 +5292,7 @@ md_undefined_symbol (name)
given a PC relative reloc. */
long
-md_pcrel_from_section (fixp, sec)
- fixS *fixp;
- segT sec ATTRIBUTE_UNUSED;
+md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED)
{
return fixp->fx_frag->fr_address + fixp->fx_where;
}
@@ -5317,8 +5305,7 @@ md_pcrel_from_section (fixp, sec)
corresponding .tc symbol. */
int
-ppc_fix_adjustable (fix)
- fixS *fix;
+ppc_fix_adjustable (fixS *fix)
{
valueT val = resolve_symbol_value (fix->fx_addsy);
segT symseg = S_GET_SEGMENT (fix->fx_addsy);
@@ -5443,8 +5430,7 @@ ppc_fix_adjustable (fix)
between two csects in the same section. */
int
-ppc_force_relocation (fix)
- fixS *fix;
+ppc_force_relocation (fixS *fix)
{
/* At this point fix->fx_addsy should already have been converted to
a csect symbol. If the csect does not include the fragment, then
@@ -5469,8 +5455,7 @@ ppc_force_relocation (fix)
will be emitted for a fixup. */
int
-ppc_force_relocation (fix)
- fixS *fix;
+ppc_force_relocation (fixS *fix)
{
/* Branch prediction relocations must force a relocation, as must
the vtable description relocs. */
@@ -5495,8 +5480,7 @@ ppc_force_relocation (fix)
}
int
-ppc_fix_adjustable (fix)
- fixS *fix;
+ppc_fix_adjustable (fixS *fix)
{
return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
&& fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
@@ -5510,6 +5494,47 @@ ppc_fix_adjustable (fix)
}
#endif
+/* Implement HANDLE_ALIGN. This writes the NOP pattern into an
+ rs_align_code frag. */
+
+void
+ppc_handle_align (struct frag *fragP)
+{
+ valueT count = (fragP->fr_next->fr_address
+ - (fragP->fr_address + fragP->fr_fix));
+
+ if (count != 0 && (count & 3) == 0)
+ {
+ char *dest = fragP->fr_literal + fragP->fr_fix;
+
+ fragP->fr_var = 4;
+ md_number_to_chars (dest, 0x60000000, 4);
+
+ if ((ppc_cpu & PPC_OPCODE_POWER6) != 0)
+ {
+ /* For power6, we want the last nop to be a group terminating
+ one, "ori 1,1,0". Do this by inserting an rs_fill frag
+ immediately after this one, with its address set to the last
+ nop location. This will automatically reduce the number of
+ nops in the current frag by one. */
+ if (count > 4)
+ {
+ struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4);
+
+ memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG);
+ group_nop->fr_address = group_nop->fr_next->fr_address - 4;
+ group_nop->fr_fix = 0;
+ group_nop->fr_offset = 1;
+ group_nop->fr_type = rs_fill;
+ fragP->fr_next = group_nop;
+ dest = group_nop->fr_literal;
+ }
+
+ md_number_to_chars (dest, 0x60210000, 4);
+ }
+ }
+}
+
/* Apply a fixup to the object code. This is called for all the
fixups we generated by the call to fix_new_exp, above. In the call
above we used a reloc code which was the largest legal reloc code
@@ -5520,10 +5545,7 @@ ppc_fix_adjustable (fix)
fixup. */
void
-md_apply_fix (fixP, valP, seg)
- fixS *fixP;
- valueT * valP;
- segT seg ATTRIBUTE_UNUSED;
+md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
{
valueT value = * valP;
@@ -5580,7 +5602,7 @@ md_apply_fix (fixP, valP, seg)
csect. Other usages, such as `.long sym', generate relocs. This
is the documented behaviour of non-TOC symbols. */
if ((operand->flags & PPC_OPERAND_PARENS) != 0
- && operand->bits == 16
+ && (operand->bitm & 0xfff0) == 0xfff0
&& operand->shift == 0
&& (operand->insert == NULL || ppc_obj64)
&& fixP->fx_addsy != NULL
@@ -5618,11 +5640,11 @@ md_apply_fix (fixP, valP, seg)
We are only prepared to turn a few of the operands into
relocs. */
if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bits == 26
+ && operand->bitm == 0x3fffffc
&& operand->shift == 0)
fixP->fx_r_type = BFD_RELOC_PPC_B26;
else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
- && operand->bits == 16
+ && operand->bitm == 0xfffc
&& operand->shift == 0)
{
fixP->fx_r_type = BFD_RELOC_PPC_B16;
@@ -5633,11 +5655,11 @@ md_apply_fix (fixP, valP, seg)
#endif
}
else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bits == 26
+ && operand->bitm == 0x3fffffc
&& operand->shift == 0)
fixP->fx_r_type = BFD_RELOC_PPC_BA26;
else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
- && operand->bits == 16
+ && operand->bitm == 0xfffc
&& operand->shift == 0)
{
fixP->fx_r_type = BFD_RELOC_PPC_BA16;
@@ -5649,7 +5671,7 @@ md_apply_fix (fixP, valP, seg)
}
#if defined (OBJ_XCOFF) || defined (OBJ_ELF)
else if ((operand->flags & PPC_OPERAND_PARENS) != 0
- && operand->bits == 16
+ && (operand->bitm & 0xfff0) == 0xfff0
&& operand->shift == 0)
{
if (ppc_is_toc_sym (fixP->fx_addsy))
@@ -6047,9 +6069,7 @@ md_apply_fix (fixP, valP, seg)
/* Generate a reloc for a fixup. */
arelent *
-tc_gen_reloc (seg, fixp)
- asection *seg ATTRIBUTE_UNUSED;
- fixS *fixp;
+tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
{
arelent *reloc;
@@ -6072,13 +6092,13 @@ tc_gen_reloc (seg, fixp)
}
void
-ppc_cfi_frame_initial_instructions ()
+ppc_cfi_frame_initial_instructions (void)
{
cfi_add_CFA_def_cfa (1, 0);
}
int
-tc_ppc_regname_to_dw2regnum (const char *regname)
+tc_ppc_regname_to_dw2regnum (char *regname)
{
unsigned int regnum = -1;
unsigned int i;
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