Restore hppa-elf32 to working order.

This commit is contained in:
Alan Modra 2000-07-09 07:23:07 +00:00
parent 63ac3005ce
commit edd21acadc
13 changed files with 1410 additions and 1315 deletions

View file

@ -21,8 +21,8 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _HPPA_H
#define _HPPA_H
#ifndef _LIBHPPA_H
#define _LIBHPPA_H
#define BYTES_IN_WORD 4
#define PA_PAGESIZE 0x1000
@ -159,224 +159,71 @@ enum hppa_reloc_expr_type_alt
((((bfd_signed_vma)(a)) << (BFD_ARCH_SIZE-22)) >> (BFD_ARCH_SIZE-22))
#define HPPA_R_ADDEND(r, c) \
(((r) << 22) + ((c) & 0x3fffff))
#define HPPA_WIDE (0) /* PSW W-bit, need to check! FIXME */
/* These macros get bit fields using HP's numbering (MSB = 0),
* but note that "MASK" assumes that the LSB bits are what's
* wanted.
*/
#ifndef GET_FIELD
#define GET_FIELD(X, FROM, TO) \
((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
#endif
#define GET_BIT(X, WHICH) \
GET_FIELD (X, WHICH, WHICH)
#define MASK(SIZE) \
(~((-1) << SIZE))
#define CATENATE(X, XSIZE, Y, YSIZE) \
(((X & MASK (XSIZE)) << YSIZE) | (Y & MASK (YSIZE)))
#define ELEVEN(X) \
CATENATE (GET_BIT (X, 10), 1, GET_FIELD (X, 0, 9), 10)
/* Some functions to manipulate PA instructions. */
/* NOTE: these use the HP convention that f{0} is the _left_ most
* bit (MSB) of f; they sometimes have to impose an assumption
* about the size of a field; and as far as I can tell, most
* aren't used.
*/
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
/* Declare the functions with the unused attribute to avoid warnings. */
static INLINE unsigned int sign_extend (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int low_sign_extend (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_3 (unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_6 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_12 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_16 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_16a (unsigned int, unsigned int,
unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_17 (unsigned int, unsigned int,
unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int assemble_21 (unsigned int)
__attribute ((__unused__));
static INLINE unsigned int sign_unext (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int low_sign_unext (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_3 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_12 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_16 (unsigned int, unsigned int, int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_17 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_22 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int re_assemble_21 (unsigned int, unsigned int)
__attribute__ ((__unused__));
static INLINE bfd_signed_vma hppa_field_adjust (bfd_signed_vma, bfd_signed_vma,
enum hppa_reloc_field_selector_type_alt)
__attribute__ ((__unused__));
static INLINE int bfd_hppa_insn2fmt (unsigned int)
__attribute__ ((__unused__));
static INLINE unsigned int hppa_rebuild_insn (bfd *, unsigned int,
unsigned int, unsigned int)
__attribute__ ((__unused__));
#endif /* gcc 2.7 or higher */
static INLINE int sign_extend PARAMS ((int, int)) ATTRIBUTE_UNUSED;
static INLINE int low_sign_extend PARAMS ((int, int)) ATTRIBUTE_UNUSED;
static INLINE int sign_unext PARAMS ((int, int)) ATTRIBUTE_UNUSED;
static INLINE int low_sign_unext PARAMS ((int, int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_3 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_12 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_14 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_16 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_17 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_21 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE int re_assemble_22 PARAMS ((int)) ATTRIBUTE_UNUSED;
static INLINE bfd_signed_vma hppa_field_adjust
PARAMS ((bfd_vma, bfd_signed_vma,
enum hppa_reloc_field_selector_type_alt)) ATTRIBUTE_UNUSED;
static INLINE int bfd_hppa_insn2fmt PARAMS ((bfd *, int)) ATTRIBUTE_UNUSED;
static INLINE int hppa_rebuild_insn PARAMS ((int, int, int)) ATTRIBUTE_UNUSED;
/* The *sign_extend and assemble_* functions are used to assemble
various bitfields taken from an instruction and return the
resulting immediate value. They correspond to functions by the
same name in HP's PA-RISC 2.0 Architecture Reference Manual. */
/* The *sign_extend functions are used to assemble various bitfields
taken from an instruction and return the resulting immediate
value. */
static INLINE unsigned int
static INLINE int
sign_extend (x, len)
unsigned int x, len;
int x, len;
{
unsigned int signbit = (1 << (len - 1));
unsigned int mask = (signbit << 1) - 1;
int signbit = (1 << (len - 1));
int mask = (signbit << 1) - 1;
return ((x & mask) ^ signbit) - signbit;
}
static INLINE unsigned int
static INLINE int
low_sign_extend (x, len)
unsigned int x, len;
int x, len;
{
return (x >> 1) - ((x & 1) << (len - 1));
}
static INLINE unsigned int
assemble_3 (x)
unsigned int x;
{
return CATENATE (GET_BIT (x, 2), 1, GET_FIELD (x, 0, 1), 2);
}
static INLINE unsigned int
assemble_6 (x, y)
unsigned int x, y;
{
return (((x & 1) << 5) + (32 - (y & 0x1f)));
}
/* The re_assemble_* functions prepare an immediate value for
insertion into an opcode. pa-risc uses all sorts of weird bitfields
in the instruction to hold the value. */
static INLINE unsigned int
assemble_12 (x, y)
unsigned int x, y;
{
return CATENATE (CATENATE (y, 1, GET_BIT (x, 10), 1), 2,
GET_FIELD (x, 0, 9), 9);
}
static INLINE unsigned int
assemble_16 (x, y)
unsigned int x, y;
{
/* Depends on PSW W-bit !*/
unsigned int temp;
if (HPPA_WIDE)
temp = CATENATE (CATENATE (GET_BIT (y, 13), 1,
(GET_BIT (y, 13) ^ GET_BIT (x, 0)), 1), 2,
CATENATE ((GET_BIT (y, 13) ^ GET_BIT (x, 1)), 1,
GET_FIELD (y, 0, 12), 13), 14);
else
temp = CATENATE (CATENATE (GET_BIT (y, 13), 1, GET_BIT (y, 13), 1), 2,
CATENATE (GET_BIT (y, 13), 1, GET_FIELD (y, 0, 12), 13), 14);
return sign_extend (temp, 16);
}
static INLINE unsigned int
assemble_16a (x, y, z)
unsigned int x, y, z;
{
/* Depends on PSW W-bit !*/
unsigned int temp;
if (HPPA_WIDE)
temp = CATENATE (CATENATE (z, 1, (z ^ GET_BIT (x, 0)), 1), 2,
CATENATE ((z ^ GET_BIT (x, 1)), 1, y, 11), 12);
else
temp = CATENATE (CATENATE (z, 1, z, 1), 2, CATENATE (z, 1, y, 11), 12);
return sign_extend ((temp << 2), 16);
}
static INLINE unsigned int
assemble_17 (x, y, z)
unsigned int x, y, z;
{
unsigned int temp;
temp = CATENATE (CATENATE (z, 1, x, 5), 6,
CATENATE (GET_BIT (y, 10), 1, GET_FIELD (y, 0, 9), 10), 11);
return temp;
}
static INLINE unsigned int
assemble_21 (x)
unsigned int x;
{
unsigned int temp;
temp = (( (x & 0x000001) << 20)
| ((x & 0x000ffe) << 8)
| ((x & 0x003000) >> 12)
| ((x & 0x00c000) >> 7)
| ((x & 0x1f0000) >> 14));
return temp;
}
static INLINE unsigned int
assemble_22 (a,b,c,d)
unsigned int a,b,c,d;
{
unsigned int temp;
temp = CATENATE (CATENATE (d, 1, a, 5), 6,
CATENATE (b, 5, ELEVEN (c), 11), 16);
return sign_extend (temp, 22);
}
/* The re_assemble_* functions splice together an opcode and an
immediate value. pa-risc uses all sorts of weird bitfields in the
instruction to hold the value. */
static INLINE unsigned int
static INLINE int
sign_unext (x, len)
unsigned int x, len;
int x, len;
{
unsigned int len_ones;
int len_ones;
len_ones = ((unsigned int) 1 << len) - 1;
len_ones = (1 << len) - 1;
return x & len_ones;
}
static INLINE unsigned int
static INLINE int
low_sign_unext (x, len)
unsigned int x, len;
int x, len;
{
unsigned int temp;
unsigned int sign;
int temp;
int sign;
sign = (x >> (len-1)) & 1;
@ -385,83 +232,69 @@ low_sign_unext (x, len)
return (temp << 1) | sign;
}
static INLINE unsigned int
re_assemble_3 (insn, as3)
unsigned int insn;
unsigned int as3;
static INLINE int
re_assemble_3 (as3)
int as3;
{
return (insn
| ((as3 & 4) << (13-2))
return (( (as3 & 4) << (13-2))
| ((as3 & 3) << (13+1)));
}
static INLINE unsigned int
re_assemble_12 (insn, as12)
unsigned int insn;
unsigned int as12;
static INLINE int
re_assemble_12 (as12)
int as12;
{
return (insn
| ((as12 & 0x800) >> 11)
return (( (as12 & 0x800) >> 11)
| ((as12 & 0x400) >> (10 - 2))
| ((as12 & 0x3ff) << (1 + 2)));
}
static INLINE unsigned int
re_assemble_16 (insn, as16, wide)
unsigned int insn;
unsigned int as16;
int wide;
static INLINE int
re_assemble_14 (as14)
int as14;
{
unsigned int s, t;
if (wide)
{
/* Unusual 16-bit encoding. */
t = (as16 << 1) & 0xffff;
s = (as16 & 0x8000);
return insn | (t ^ s ^ (s >> 1)) | (s >> 15);
}
else
{
/* Standard 14-bit encoding. */
t = (as16 << 1) & 0x3fff;
s = (as16 & 0x2000);
return insn | t | (s >> 13);
}
return (( (as14 & 0x1fff) << 1)
| ((as14 & 0x2000) >> 13));
}
static INLINE unsigned int
re_assemble_17 (insn, as17)
unsigned int insn;
unsigned int as17;
static INLINE int
re_assemble_16 (as16)
int as16;
{
return (insn
| ((as17 & 0x10000) >> 16)
int s, t;
/* Unusual 16-bit encoding, for wide mode only. */
t = (as16 << 1) & 0xffff;
s = (as16 & 0x8000);
return (t ^ s ^ (s >> 1)) | (s >> 15);
}
static INLINE int
re_assemble_17 (as17)
int as17;
{
return (( (as17 & 0x10000) >> 16)
| ((as17 & 0x0f800) << (16 - 11))
| ((as17 & 0x00400) >> (10 - 2))
| ((as17 & 0x003ff) << (1 + 2)));
}
static INLINE unsigned int
re_assemble_21 (insn, as21)
unsigned int insn;
unsigned int as21;
static INLINE int
re_assemble_21 (as21)
int as21;
{
return (insn
| ((as21 & 0x100000) >> 20)
return (( (as21 & 0x100000) >> 20)
| ((as21 & 0x0ffe00) >> 8)
| ((as21 & 0x000180) << 7)
| ((as21 & 0x00007c) << 14)
| ((as21 & 0x000003) << 12));
}
static INLINE unsigned int
re_assemble_22 (insn, as22)
unsigned int insn;
unsigned int as22;
static INLINE int
re_assemble_22 (as22)
int as22;
{
return (insn
| ((as22 & 0x200000) >> 21)
return (( (as22 & 0x200000) >> 21)
| ((as22 & 0x1f0000) << (21 - 16))
| ((as22 & 0x00f800) << (16 - 11))
| ((as22 & 0x000400) >> (10 - 2))
@ -481,7 +314,7 @@ re_assemble_22 (insn, as22)
static INLINE bfd_signed_vma
hppa_field_adjust (sym_val, addend, r_field)
bfd_signed_vma sym_val;
bfd_vma sym_val;
bfd_signed_vma addend;
enum hppa_reloc_field_selector_type_alt r_field;
{
@ -491,10 +324,18 @@ hppa_field_adjust (sym_val, addend, r_field)
switch (r_field)
{
case e_fsel:
case e_nsel:
/* F: No change. */
break;
case e_nsel:
/* N: null selector. I don't really understand what this is all
about, but HP's documentation says "this indicates that zero
bits are to be used for the displacement on the instruction.
This fixup is used to identify three-instruction sequences to
access data (for importing shared library data)." */
value = 0;
break;
case e_lsel:
case e_nlsel:
/* L: Select top 21 bits. */
@ -558,123 +399,158 @@ hppa_field_adjust (sym_val, addend, r_field)
/* PA-RISC OPCODES */
#define get_opcode(insn) (((insn) >> 26) & 0x3f)
/* FIXME: this list is incomplete. It should also be an enumerated
type rather than #defines. */
enum hppa_opcode_type
{
/* None of the opcodes in the first group generate relocs, so we
aren't too concerned about them. */
OP_SYSOP = 0x00,
OP_MEMMNG = 0x01,
OP_ALU = 0x02,
OP_NDXMEM = 0x03,
OP_SPOP = 0x04,
OP_DIAG = 0x05,
OP_FMPYADD = 0x06,
OP_UNDEF07 = 0x07,
OP_COPRW = 0x09,
OP_COPRDW = 0x0b,
OP_COPR = 0x0c,
OP_FLOAT = 0x0e,
OP_PRDSPEC = 0x0f,
OP_UNDEF15 = 0x15,
OP_UNDEF1d = 0x1d,
OP_FMPYSUB = 0x26,
OP_FPFUSED = 0x2e,
OP_SHEXDP0 = 0x34,
OP_SHEXDP1 = 0x35,
OP_SHEXDP2 = 0x36,
OP_UNDEF37 = 0x37,
OP_SHEXDP3 = 0x3c,
OP_SHEXDP4 = 0x3d,
OP_MULTMED = 0x3e,
OP_UNDEF3f = 0x3f,
#define LDO 0x0d
#define LDB 0x10
#define LDH 0x11
#define LDW 0x12
#define LDWM 0x13
#define STB 0x18
#define STH 0x19
#define STW 0x1a
#define STWM 0x1b
#define COMICLR 0x24
#define SUBI 0x25
#define SUBIO 0x25
#define ADDIT 0x2c
#define ADDITO 0x2c
#define ADDI 0x2d
#define ADDIO 0x2d
#define LDIL 0x08
#define ADDIL 0x0a
OP_LDIL = 0x08,
OP_ADDIL = 0x0a,
#define MOVB 0x32
#define MOVIB 0x33
#define COMBT 0x20
#define COMBF 0x22
#define COMIBT 0x21
#define COMIBF 0x23
#define ADDBT 0x28
#define ADDBF 0x2a
#define ADDIBT 0x29
#define ADDIBF 0x2b
#define BVB 0x30
#define BB 0x31
OP_LDO = 0x0d,
OP_LDB = 0x10,
OP_LDH = 0x11,
OP_LDW = 0x12,
OP_LDWM = 0x13,
OP_STB = 0x18,
OP_STH = 0x19,
OP_STW = 0x1a,
OP_STWM = 0x1b,
#define BL 0x3a
#define BLE 0x39
#define BE 0x38
OP_LDD = 0x14,
OP_STD = 0x1c,
#define CMPBDT 0x27
#define CMPBDF 0x2f
#define CMPIBD 0x3b
#define LDD 0x14
#define STD 0x1c
#define LDWL 0x17
#define STWL 0x1f
#define FLDW 0x16
#define FSTW 0x1e
OP_FLDW = 0x16,
OP_LDWL = 0x17,
OP_FSTW = 0x1e,
OP_STWL = 0x1f,
/* Given a machine instruction, return its format.
OP_COMBT = 0x20,
OP_COMIBT = 0x21,
OP_COMBF = 0x22,
OP_COMIBF = 0x23,
OP_CMPBDT = 0x27,
OP_ADDBT = 0x28,
OP_ADDIBT = 0x29,
OP_ADDBF = 0x2a,
OP_ADDIBF = 0x2b,
OP_CMPBDF = 0x2f,
OP_BVB = 0x30,
OP_BB = 0x31,
OP_MOVB = 0x32,
OP_MOVIB = 0x33,
OP_CMPIBD = 0x3b,
FIXME: opcodes which do not map to a known format
should return an error of some sort. */
OP_COMICLR = 0x24,
OP_SUBI = 0x25,
OP_ADDIT = 0x2c,
OP_ADDI = 0x2d,
OP_BE = 0x38,
OP_BLE = 0x39,
OP_BL = 0x3a
};
/* Given a machine instruction, return its format. */
static INLINE int
bfd_hppa_insn2fmt (insn)
unsigned int insn;
bfd_hppa_insn2fmt (abfd, insn)
bfd *abfd;
int insn;
{
unsigned char op = get_opcode (insn);
enum hppa_opcode_type op = get_opcode (insn);
switch (op)
{
case ADDI:
case ADDIT:
case SUBI:
case OP_COMICLR:
case OP_SUBI:
case OP_ADDIT:
case OP_ADDI:
return 11;
case MOVB:
case MOVIB:
case COMBT:
case COMBF:
case COMIBT:
case COMIBF:
case ADDBT:
case ADDBF:
case ADDIBT:
case ADDIBF:
case BVB:
case BB:
case CMPBDT:
case CMPBDF:
case CMPIBD:
case OP_COMBT:
case OP_COMIBT:
case OP_COMBF:
case OP_COMIBF:
case OP_CMPBDT:
case OP_ADDBT:
case OP_ADDIBT:
case OP_ADDBF:
case OP_ADDIBF:
case OP_CMPBDF:
case OP_BVB:
case OP_BB:
case OP_MOVB:
case OP_MOVIB:
case OP_CMPIBD:
return 12;
case LDO:
case LDB:
case LDH:
case LDW:
case LDWM:
case STB:
case STH:
case STW:
case STWM:
case OP_LDO:
case OP_LDB:
case OP_LDH:
case OP_LDW:
case OP_LDWM:
case OP_STB:
case OP_STH:
case OP_STW:
case OP_STWM:
if (abfd->arch_info->mach >= 25)
return 16; /* Wide mode, format 16. */
return 14;
case LDWL:
case STWL:
case FLDW:
case FSTW:
case OP_FLDW:
case OP_LDWL:
case OP_FSTW:
case OP_STWL:
/* This is a hack. Unfortunately, format 11 is already taken
and we're using integers rather than an enum, so it's hard
to describe the 11a format. */
if (abfd->arch_info->mach >= 25)
return -16; /* Wide mode, format 16a. */
return -11;
case LDD:
case STD:
case OP_LDD:
case OP_STD:
if (abfd->arch_info->mach >= 25)
return -10; /* Wide mode, format 10a. */
return 10;
case BL:
case BE:
case BLE:
if ((insn & 0x00008000) != 0)
case OP_BL:
if ((insn & 0x8000) != 0)
return 22;
/* fall thru */
case OP_BE:
case OP_BLE:
return 17;
case LDIL:
case ADDIL:
case OP_LDIL:
case OP_ADDIL:
return 21;
default:
@ -687,21 +563,52 @@ bfd_hppa_insn2fmt (insn)
/* Insert VALUE into INSN using R_FORMAT to determine exactly what
bits to change. */
static INLINE unsigned int
hppa_rebuild_insn (abfd, insn, value, r_format)
bfd *abfd ATTRIBUTE_UNUSED;
unsigned int insn;
unsigned int value;
unsigned int r_format;
static INLINE int
hppa_rebuild_insn (insn, value, r_format)
int insn;
int value;
int r_format;
{
switch (r_format)
{
case 11: return (insn & ~ 0x7ff) | low_sign_unext (value, 11);
case 12: return re_assemble_12 (insn & ~ 0x1ffd, value);
case 14: return (insn & ~ 0x3fff) | low_sign_unext (value, 14);
case 17: return re_assemble_17 (insn & ~ 0x1f1ffd, value);
case 21: return re_assemble_21 (insn & ~ 0x1fffff, value);
case 32: return value;
case 11:
return (insn & ~ 0x7ff) | low_sign_unext (value, 11);
case 12:
return (insn & ~ 0x1ffd) | re_assemble_12 (value);
case 10:
return (insn & ~ 0x3ff1) | re_assemble_14 (value & -8);
case -11:
return (insn & ~ 0x3ff9) | re_assemble_14 (value & -4);
case 14:
return (insn & ~ 0x3fff) | re_assemble_14 (value);
case -10:
return (insn & ~ 0xfff1) | re_assemble_16 (value & -8);
case -16:
return (insn & ~ 0xfff9) | re_assemble_16 (value & -4);
case 16:
return (insn & ~ 0xffff) | re_assemble_16 (value);
case 17:
return (insn & ~ 0x1f1ffd) | re_assemble_17 (value);
case 21:
return (insn & ~ 0x1fffff) | re_assemble_21 (value);
case 22:
return (insn & ~ 0x3ff1ffd) | re_assemble_22 (value);
case 32:
return value;
default:
abort ();
@ -709,4 +616,4 @@ hppa_rebuild_insn (abfd, insn, value, r_format)
return insn;
}
#endif /* _HPPA_H */
#endif /* _LIBHPPA_H */