customized in a target-specific file, and then this file included (see
tic54x.h for an example).
- Copyright 2001 Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
#ifndef COFF_TI_H
#define COFF_TI_H
#error "TICOFF_TARGET_ARCH needs to be defined for your CPU"
#endif
+#ifndef TICOFF_TARGET_MACHINE_GET
+#define TICOFF_TARGET_MACHINE_GET(FLAGS) 0
+#endif
+
+#ifndef TICOFF_TARGET_MACHINE_SET
+#define TICOFF_TARGET_MACHINE_SET(FLAGSP, MACHINE)
+#endif
+
/* Default to COFF2 for file output */
#ifndef TICOFF_DEFAULT_MAGIC
#define TICOFF_DEFAULT_MAGIC TICOFF2MAGIC
#define COFF_ADJUST_FILEHDR_IN_POST(abfd, src, dst) \
do \
{ \
- ((struct internal_filehdr *)(dst))->f_target_id = \
- H_GET_16 (abfd, ((FILHDR *)(src))->f_target_id); \
+ if (!COFF0_P (abfd)) \
+ ((struct internal_filehdr *)(dst))->f_target_id = \
+ H_GET_16 (abfd, ((FILHDR *)(src))->f_target_id); \
} \
while (0)
#endif
#ifndef COFF_ADJUST_FILEHDR_OUT_POST
#define COFF_ADJUST_FILEHDR_OUT_POST(abfd, src, dst) \
- do \
- { \
- H_PUT_16 (abfd, ((struct internal_filehdr *)(src))->f_target_id, \
- ((FILHDR *)(dst))->f_target_id); \
- } \
+ do \
+ { \
+ if (!COFF0_P (abfd)) \
+ H_PUT_16 (abfd, ((struct internal_filehdr *)(src))->f_target_id, \
+ ((FILHDR *)(dst))->f_target_id); \
+ } \
while (0)
#endif
#define F_RELFLG (0x0001)
#define F_EXEC (0x0002)
#define F_LNNO (0x0004)
+#define F_VERS (0x0010) /* TMS320C4x code */
/* F_LSYMS needs to be redefined in your source file */
#define F_LSYMS_TICOFF (0x0010) /* normal COFF is 0x8 */
/* COFF2 changes the offsets and sizes of these fields
Assume we're dealing with the COFF2 scnhdr structure, and adjust
- accordingly
- */
-#define GET_SCNHDR_NRELOC(ABFD, PTR) \
- (COFF2_P (ABFD) ? H_GET_32 (ABFD, PTR) : H_GET_16 (ABFD, PTR))
-#define PUT_SCNHDR_NRELOC(ABFD, VAL, PTR) \
- (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, PTR) : H_PUT_16 (ABFD, VAL, PTR))
-#define GET_SCNHDR_NLNNO(ABFD, PTR) \
- (COFF2_P (ABFD) ? H_GET_32 (ABFD, PTR) : H_GET_16 (ABFD, (PTR) -2))
-#define PUT_SCNHDR_NLNNO(ABFD, VAL, PTR) \
- (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, PTR) : H_PUT_16 (ABFD, VAL, (PTR) -2))
-#define GET_SCNHDR_FLAGS(ABFD, PTR) \
- (COFF2_P (ABFD) ? H_GET_32 (ABFD, PTR) : H_GET_16 (ABFD, (PTR) -4))
-#define PUT_SCNHDR_FLAGS(ABFD, VAL, PTR) \
- (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, PTR) : H_PUT_16 (ABFD, VAL, (PTR) -4))
-#define GET_SCNHDR_PAGE(ABFD, PTR) \
- (COFF2_P (ABFD) ? H_GET_16 (ABFD, PTR) : H_GET_8 (ABFD, (PTR) -7))
-/* on output, make sure that the "reserved" field is zero */
-#define PUT_SCNHDR_PAGE(ABFD, VAL, PTR) \
+ accordingly. Note: The GNU C versions of some of these macros
+ are necessary in order to avoid compile time warnings triggered
+ gcc's array bounds checking. The PUT_SCNHDR_PAGE macro also has
+ the advantage on not evaluating LOC twice. */
+
+#define GET_SCNHDR_NRELOC(ABFD, LOC) \
+ (COFF2_P (ABFD) ? H_GET_32 (ABFD, LOC) : H_GET_16 (ABFD, LOC))
+#define PUT_SCNHDR_NRELOC(ABFD, VAL, LOC) \
+ (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, LOC) : H_PUT_16 (ABFD, VAL, LOC))
+#ifdef __GNUC__
+#define GET_SCNHDR_NLNNO(ABFD, LOC) \
+ ({ \
+ int nlnno; \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ nlnno = H_GET_32 (ABFD, ptr); \
+ else \
+ nlnno = H_GET_16 (ABFD, ptr - 2); \
+ nlnno; \
+ })
+#define PUT_SCNHDR_NLNNO(ABFD, VAL, LOC) \
+ do \
+ { \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ H_PUT_32 (ABFD, VAL, ptr); \
+ else \
+ H_PUT_16 (ABFD, VAL, ptr - 2); \
+ } \
+ while (0)
+#define GET_SCNHDR_FLAGS(ABFD, LOC) \
+ ({ \
+ int flags; \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ flags = H_GET_32 (ABFD, ptr); \
+ else \
+ flags = H_GET_16 (ABFD, ptr - 4); \
+ flags; \
+ })
+#define PUT_SCNHDR_FLAGS(ABFD, VAL, LOC) \
+ do \
+ { \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ H_PUT_32 (ABFD, VAL, ptr); \
+ else \
+ H_PUT_16 (ABFD, VAL, ptr - 4); \
+ } \
+ while (0)
+#define GET_SCNHDR_PAGE(ABFD, LOC) \
+ ({ \
+ unsigned page; \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ page = H_GET_16 (ABFD, ptr); \
+ else \
+ page = (unsigned) H_GET_8 (ABFD, ptr - 7); \
+ page; \
+ })
+/* On output, make sure that the "reserved" field is zero. */
+#define PUT_SCNHDR_PAGE(ABFD, VAL, LOC) \
+ do \
+ { \
+ char * ptr = (LOC); \
+ if (COFF2_P (ABFD)) \
+ H_PUT_16 (ABFD, VAL, ptr); \
+ else \
+ { \
+ H_PUT_8 (ABFD, VAL, ptr - 7); \
+ H_PUT_8 (ABFD, 0, ptr - 8); \
+ } \
+ } \
+ while (0)
+#else
+#define GET_SCNHDR_NLNNO(ABFD, LOC) \
+ (COFF2_P (ABFD) ? H_GET_32 (ABFD, LOC) : H_GET_16 (ABFD, (LOC) - 2))
+#define PUT_SCNHDR_NLNNO(ABFD, VAL, LOC) \
+ (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, LOC) : H_PUT_16 (ABFD, VAL, (LOC) - 2))
+#define GET_SCNHDR_FLAGS(ABFD, LOC) \
+ (COFF2_P (ABFD) ? H_GET_32 (ABFD, LOC) : H_GET_16 (ABFD, (LOC) - 4))
+#define PUT_SCNHDR_FLAGS(ABFD, VAL, LOC) \
+ (COFF2_P (ABFD) ? H_PUT_32 (ABFD, VAL, LOC) : H_PUT_16 (ABFD, VAL, (LOC) - 4))
+#define GET_SCNHDR_PAGE(ABFD, LOC) \
+ (COFF2_P (ABFD) ? H_GET_16 (ABFD, LOC) : (unsigned) H_GET_8 (ABFD, (LOC) - 7))
+/* On output, make sure that the "reserved" field is zero. */
+#define PUT_SCNHDR_PAGE(ABFD, VAL, LOC) \
(COFF2_P (ABFD) \
- ? H_PUT_16 (ABFD, VAL, PTR) \
- : H_PUT_8 (ABFD, VAL, (PTR) -7), H_PUT_8 (ABFD, 0, (PTR) -8))
+ ? H_PUT_16 (ABFD, VAL, LOC) \
+ : H_PUT_8 (ABFD, VAL, (LOC) - 7), H_PUT_8 (ABFD, 0, (LOC) - 8))
+#endif
+
/* TI COFF stores section size as number of bytes (address units, not octets),
so adjust to be number of octets, which is what BFD expects */
#define GET_SCNHDR_SIZE(ABFD, SZP) \
- (H_GET_32 (ABFD, SZP) * bfd_octets_per_byte (ABFD))
+ (H_GET_32 (ABFD, SZP) * bfd_octets_per_byte (ABFD, NULL))
#define PUT_SCNHDR_SIZE(ABFD, SZ, SZP) \
- H_PUT_32 (ABFD, (SZ) / bfd_octets_per_byte (ABFD), SZP)
+ H_PUT_32 (ABFD, (SZ) / bfd_octets_per_byte (ABFD, NULL), SZP)
#define COFF_ADJUST_SCNHDR_IN_POST(ABFD, EXT, INT) \
do \
} \
while (0)
+/* The entire scnhdr may not be assigned.
+ Ensure that everything is initialized. */
+#define COFF_ADJUST_SCNHDR_OUT_PRE(ABFD, INT, EXT) \
+ do \
+ { \
+ memset((EXT), 0, sizeof (SCNHDR)); \
+ } \
+ while (0)
+
/* The line number and reloc overflow checking in coff_swap_scnhdr_out in
coffswap.h doesn't use PUT_X for s_nlnno and s_nreloc.
Due to different sized v0/v1/v2 section headers, we have to re-write these
} \
while (0)
-/* Page macros
-
- The first GDB port requires flags in its remote memory access commands to
- distinguish between data/prog space. Hopefully we can make this go away
- eventually. Stuff the page in the upper bits of a 32-bit address, since
- the c5x family only uses 16 or 23 bits.
-
- c2x, c5x and most c54x devices have 16-bit addresses, but the c548 has
- 23-bit program addresses. Make sure the page flags don't interfere.
- These flags are used by GDB to identify the destination page for
- addresses.
-*/
-
-/* recognized load pages */
-#define PG_PROG 0x0 /* PROG page */
-#define PG_DATA 0x1 /* DATA page */
-
-#define ADDR_MASK 0x00FFFFFF
-#define PG_TO_FLAG(p) (((unsigned long)(p) & 0xFF) << 24)
-#define FLAG_TO_PG(f) (((f) >> 24) & 0xFF)
-
/*
* names of "special" sections
*/
/* section lengths are in target bytes (not host bytes) */
#define GET_SCN_SCNLEN(ABFD, EXT) \
- (H_GET_32 (ABFD, (EXT)->x_scn.x_scnlen) * bfd_octets_per_byte (ABFD))
+ (H_GET_32 (ABFD, (EXT)->x_scn.x_scnlen) * bfd_octets_per_byte (ABFD, NULL))
#define PUT_SCN_SCNLEN(ABFD, INT, EXT) \
- H_PUT_32 (ABFD, (INT) / bfd_octets_per_byte (ABFD), (EXT)->x_scn.x_scnlen)
+ H_PUT_32 (ABFD, (INT) / bfd_octets_per_byte (ABFD, NULL), (EXT)->x_scn.x_scnlen)
/* lnsz size is in bits in COFF file, in bytes in BFD */
#define GET_LNSZ_SIZE(abfd, ext) \
- (H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) / (class != C_FIELD ? 8 : 1))
+ (H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size) / (in_class != C_FIELD ? 8 : 1))
#define PUT_LNSZ_SIZE(abfd, in, ext) \
- H_PUT_16 (abfd, ((class != C_FIELD) ? (in) * 8 : (in)), \
+ H_PUT_16 (abfd, ((in_class != C_FIELD) ? (in) * 8 : (in)), \
ext->x_sym.x_misc.x_lnsz.x_size)
-/* TI COFF stores offsets for MOS and MOU in bits; BFD expects bytes */
+/* TI COFF stores offsets for MOS and MOU in bits; BFD expects bytes
+ Also put the load page flag of the section into the symbol value if it's an
+ address. */
+#ifndef NEEDS_PAGE
+#define NEEDS_PAGE(X) 0
+#define PAGE_MASK 0
+#endif
#define COFF_ADJUST_SYM_IN_POST(ABFD, EXT, INT) \
do \
{ \
struct internal_syment *dst = (struct internal_syment *)(INT); \
if (dst->n_sclass == C_MOS || dst->n_sclass == C_MOU) \
dst->n_value /= 8; \
+ else if (NEEDS_PAGE (dst->n_sclass)) { \
+ asection *scn = coff_section_from_bfd_index (abfd, dst->n_scnum); \
+ dst->n_value |= (scn->lma & PAGE_MASK); \
+ } \
} \
while (0)
SYMENT *dst = (SYMENT *)(EXT); \
if (src->n_sclass == C_MOU || src->n_sclass == C_MOS) \
H_PUT_32 (abfd, src->n_value * 8, dst->e_value); \
+ else if (NEEDS_PAGE (src->n_sclass)) { \
+ H_PUT_32 (abfd, src->n_value &= ~PAGE_MASK, dst->e_value); \
+ } \
} \
while (0)
#define RELSZ_V0 10 /* FIXME -- coffcode.h needs fixing */
#define RELSZ 12 /* for COFF1/2 */
+#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
+ do memset (dst->r_reserved, 0, sizeof (dst->r_reserved)); while (0)
+
/* various relocation types. */
#define R_ABS 0x0000 /* no relocation */
#define R_REL13 0x002A /* 13-bit direct reference (???) */
projects / deliverable / binutils-gdb.git / blobdiff