/* BFD XCOFF object file private structure.
- Copyright (C) 2001-2017 Free Software Foundation, Inc.
+ Copyright (C) 2001-2022 Free Software Foundation, Inc.
Written by Tom Rix, Redhat.
This file is part of BFD, the Binary File Descriptor library.
2 : XCOFF64. */
unsigned long _xcoff_ldhdr_version;
- bfd_boolean (* _xcoff_put_symbol_name)
+ bool (* _xcoff_put_symbol_name)
(struct bfd_link_info *, struct bfd_strtab_hash *,
struct internal_syment *, const char *);
- bfd_boolean (* _xcoff_put_ldsymbol_name)
+ bool (* _xcoff_put_ldsymbol_name)
(bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
const char *);
/* Line number and relocation overflow.
XCOFF32 overflows to another section when the line number or the
relocation count exceeds 0xffff. XCOFF64 does not overflow. */
- bfd_boolean (*_xcoff_is_lineno_count_overflow) (bfd *, bfd_vma);
- bfd_boolean (*_xcoff_is_reloc_count_overflow) (bfd *, bfd_vma);
+ bool (*_xcoff_is_lineno_count_overflow) (bfd *, bfd_vma);
+ bool (*_xcoff_is_reloc_count_overflow) (bfd *, bfd_vma);
/* Loader section symbol and relocation table offset
XCOFF32 is after the .loader header
/* Global linkage. The first word of global linkage code must be be
modified by filling in the correct TOC offset. */
- unsigned long *_xcoff_glink_code;
+ const unsigned long *_xcoff_glink_code;
/* Size of the global link code in bytes of the xcoff_glink_code table. */
unsigned long _xcoff_glink_size;
/* rtinit. */
unsigned int _xcoff_rtinit_size;
- bfd_boolean (*_xcoff_generate_rtinit)
- (bfd *, const char *, const char *, bfd_boolean);
+ bool (*_xcoff_generate_rtinit)
+ (bfd *, const char *, const char *, bool);
+
+ /* Stubs code generation.
+ The code part is an array which might need to be modified by
+ some relocations.
+ The size is in bytes. */
+ const unsigned long *_xcoff_stub_indirect_call_code;
+ unsigned long _xcoff_stub_indirect_call_size;
+ const unsigned long *_xcoff_stub_shared_call_code;
+ unsigned long _xcoff_stub_shared_call_size;
};
/* Look up an entry in an XCOFF link hash table. */
#define xcoff_link_hash_traverse(table, func, info) \
(bfd_link_hash_traverse \
(&(table)->root, \
- (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \
+ (bool (*) (struct bfd_link_hash_entry *, void *)) (func), \
(info)))
/* Get the XCOFF link hash table from the info structure. This is
#define bfd_xcoff_glink_code(a, b) ((xcoff_backend (a)->_xcoff_glink_code[(b)]))
#define bfd_xcoff_glink_code_size(a) ((xcoff_backend (a)->_xcoff_glink_size))
+#define bfd_xcoff_stub_indirect_call_code(a, b) ((xcoff_backend (a)->_xcoff_stub_indirect_call_code[(b)]))
+#define bfd_xcoff_stub_indirect_call_size(a) ((xcoff_backend (a)->_xcoff_stub_indirect_call_size))
+#define bfd_xcoff_stub_shared_call_code(a, b) ((xcoff_backend (a)->_xcoff_stub_shared_call_code[(b)]))
+#define bfd_xcoff_stub_shared_call_size(a) ((xcoff_backend (a)->_xcoff_stub_shared_call_size))
+
/* Check for the magic number U803XTOCMAGIC or U64_TOCMAGIC for 64 bit
targets. */
#define bfd_xcoff_is_xcoff64(a) \
#define bfd_xcoff_data_align_power(a) ((xcoff_data (a)->data_align_power))
/* xcoff*_ppc_relocate_section macros */
-#define XCOFF_MAX_CALCULATE_RELOCATION (0x1c)
+#define XCOFF_MAX_CALCULATE_RELOCATION (0x32)
#define XCOFF_MAX_COMPLAIN_OVERFLOW (4)
/* N_ONES produces N one bits, without overflowing machine arithmetic. */
#ifdef N_ONES
#endif
#define N_ONES(n) (((((bfd_vma) 1 << ((n) - 1)) - 1) << 1) | 1)
-#define XCOFF_RELOC_FUNCTION_ARGS \
- bfd *, asection *, bfd *, struct internal_reloc *, \
- struct internal_syment *, struct reloc_howto_struct *, bfd_vma, bfd_vma, \
- bfd_vma *relocation, bfd_byte *contents
+typedef bool xcoff_reloc_function (bfd *, asection *, bfd *,
+ struct internal_reloc *,
+ struct internal_syment *,
+ struct reloc_howto_struct *,
+ bfd_vma, bfd_vma,
+ bfd_vma *, bfd_byte *,
+ struct bfd_link_info *);
-#define XCOFF_COMPLAIN_FUNCTION_ARGS \
- bfd *, bfd_vma, bfd_vma, struct reloc_howto_struct *howto
+typedef bool xcoff_complain_function (bfd *, bfd_vma, bfd_vma,
+ struct reloc_howto_struct *);
-extern bfd_boolean (*xcoff_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
- (XCOFF_RELOC_FUNCTION_ARGS);
-extern bfd_boolean (*xcoff_complain_overflow[XCOFF_MAX_COMPLAIN_OVERFLOW])
- (XCOFF_COMPLAIN_FUNCTION_ARGS);
+extern xcoff_reloc_function *const xcoff_calculate_relocation[];
+extern xcoff_complain_function *const xcoff_complain_overflow[];
-#define XCOFF_NO_LONG_SECTION_NAMES (FALSE), bfd_coff_set_long_section_names_disallowed
+#define XCOFF_NO_LONG_SECTION_NAMES (false), bfd_coff_set_long_section_names_disallowed
/* Relocation functions */
-bfd_boolean xcoff_reloc_type_noop (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_fail (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_pos (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_neg (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_rel (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_toc (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_ba (XCOFF_RELOC_FUNCTION_ARGS);
-bfd_boolean xcoff_reloc_type_crel (XCOFF_RELOC_FUNCTION_ARGS);
+extern xcoff_reloc_function xcoff_reloc_type_noop;
+extern xcoff_reloc_function xcoff_reloc_type_fail;
+extern xcoff_reloc_function xcoff_reloc_type_pos;
+extern xcoff_reloc_function xcoff_reloc_type_neg;
+extern xcoff_reloc_function xcoff_reloc_type_rel;
+extern xcoff_reloc_function xcoff_reloc_type_toc;
+extern xcoff_reloc_function xcoff_reloc_type_ba;
+extern xcoff_reloc_function xcoff_reloc_type_crel;
+extern xcoff_reloc_function xcoff_reloc_type_tls;
/* Structure to describe dwarf sections.
Useful to convert from XCOFF section name to flag and vice-versa.
unsigned int flag;
/* Corresponding XCOFF section name. */
- const char *name;
+ const char *xcoff_name;
+
+ /* Corresponding DWARF section name. */
+ const char *dwarf_name;
/* True if size must be prepended. */
- bfd_boolean def_size;
+ bool def_size;
};
/* Number of entries in the array. The number is known and public so that user
can 'extend' this array by index. */
-#define XCOFF_DWSECT_NBR_NAMES 8
+#define XCOFF_DWSECT_NBR_NAMES 11
/* The dwarf sections array. */
extern const struct xcoff_dwsect_name
xcoff_dwsect_names[XCOFF_DWSECT_NBR_NAMES];
+/* Structure and functions needed by backend in order to handle
+ stubs created in xcofflink.c. */
+
+enum xcoff_stub_type
+ {
+ xcoff_stub_none,
+ xcoff_stub_indirect_call,
+ xcoff_stub_shared_call
+ };
+
+struct xcoff_stub_hash_entry
+{
+ /* Base hash table entry structure. */
+ struct bfd_hash_entry root;
+
+ enum xcoff_stub_type stub_type;
+
+ /* The hash table entry of the stub's csect. */
+ struct xcoff_link_hash_entry *hcsect;
+
+ /* Offset in the stub's csect. */
+ bfd_vma stub_offset;
+
+ /* The target's section. */
+ asection *target_section;
+
+ /* The target's hash table entry. */
+ struct xcoff_link_hash_entry *htarget;
+};
+
+
+extern enum xcoff_stub_type bfd_xcoff_type_of_stub
+ (asection *, const struct internal_reloc *, bfd_vma,
+ struct xcoff_link_hash_entry *);
+
+extern struct xcoff_stub_hash_entry *bfd_xcoff_get_stub_entry
+ (asection *, struct xcoff_link_hash_entry *, struct bfd_link_info *);
+
#endif /* LIBXCOFF_H */
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