jit: make gdb_object::symtabs an std::forward_list
[deliverable/binutils-gdb.git] / bfd / coff64-rs6000.c
index 525b079c44e09c3da241d2ca1a15cca58f24ad6d..091da1fd5e81e5fa5a1480221b1e12deaffe5e82 100644 (file)
@@ -1,5 +1,5 @@
 /* BFD back-end for IBM RS/6000 "XCOFF64" files.
-   Copyright (C) 2000-2017 Free Software Foundation, Inc.
+   Copyright (C) 2000-2019 Free Software Foundation, Inc.
    Written Clinton Popetz.
    Contributed by Cygnus Support.
 
@@ -278,7 +278,6 @@ extern int rs6000coff_core_file_failing_signal
 #define bfd_pe_print_pdata     NULL
 #endif
 
-#include <stdint.h>
 #include "coffcode.h"
 
 /* For XCOFF64, the effective width of symndx changes depending on
@@ -345,7 +344,7 @@ _bfd_xcoff64_swap_sym_out (bfd *abfd, void *inp, void *extp)
 
 static void
 _bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class,
-                          int indx, int numaux, void *in1)
+                         int indx, int numaux, void *in1)
 {
   union external_auxent *ext = (union external_auxent *) ext1;
   union internal_auxent *in = (union internal_auxent *) in1;
@@ -357,7 +356,7 @@ _bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class,
        {
          in->x_file.x_n.x_zeroes = 0;
          in->x_file.x_n.x_offset =
-            H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset);
+           H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset);
        }
       else
        {
@@ -432,9 +431,9 @@ _bfd_xcoff64_swap_aux_in (bfd *abfd, void *ext1, int type, int in_class,
 
 static unsigned int
 _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type, int in_class,
-                           int indx ATTRIBUTE_UNUSED,
-                           int numaux ATTRIBUTE_UNUSED,
-                           void *extp)
+                          int indx ATTRIBUTE_UNUSED,
+                          int numaux ATTRIBUTE_UNUSED,
+                          void *extp)
 {
   union internal_auxent *in = (union internal_auxent *) inp;
   union external_auxent *ext = (union external_auxent *) extp;
@@ -447,7 +446,7 @@ _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type, int in_class,
        {
          H_PUT_32 (abfd, 0, ext->x_file.x_n.x_n.x_zeroes);
          H_PUT_32 (abfd, in->x_file.x_n.x_offset,
-                    ext->x_file.x_n.x_n.x_offset);
+                   ext->x_file.x_n.x_n.x_offset);
        }
       else
        {
@@ -521,8 +520,8 @@ _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type, int in_class,
 static bfd_boolean
 _bfd_xcoff64_put_symbol_name (struct bfd_link_info *info,
                              struct bfd_strtab_hash *strtab,
-                              struct internal_syment *sym,
-                              const char *name)
+                             struct internal_syment *sym,
+                             const char *name)
 {
   bfd_boolean hash;
   bfd_size_type indx;
@@ -541,9 +540,9 @@ _bfd_xcoff64_put_symbol_name (struct bfd_link_info *info,
 
 static bfd_boolean
 _bfd_xcoff64_put_ldsymbol_name (bfd *abfd ATTRIBUTE_UNUSED,
-                                struct xcoff_loader_info *ldinfo,
-                                struct internal_ldsym *ldsym,
-                                const char *name)
+                               struct xcoff_loader_info *ldinfo,
+                               struct internal_ldsym *ldsym,
+                               const char *name)
 {
   size_t len;
   len = strlen (name);
@@ -588,8 +587,8 @@ _bfd_xcoff64_put_ldsymbol_name (bfd *abfd ATTRIBUTE_UNUSED,
 
 static void
 xcoff64_swap_ldhdr_in (bfd *abfd,
-                       const void *s,
-                       struct internal_ldhdr *dst)
+                      const void *s,
+                      struct internal_ldhdr *dst)
 {
   const struct external_ldhdr *src = (const struct external_ldhdr *) s;
 
@@ -960,7 +959,7 @@ xcoff64_write_object_contents (bfd *abfd)
       if (text_sec != NULL)
        {
          internal_a.o_sntext = text_sec->target_index;
-         internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
+         internal_a.o_algntext = bfd_section_alignment (text_sec);
        }
       else
        {
@@ -971,7 +970,7 @@ xcoff64_write_object_contents (bfd *abfd)
       if (data_sec != NULL)
        {
          internal_a.o_sndata = data_sec->target_index;
-         internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
+         internal_a.o_algndata = bfd_section_alignment (data_sec);
        }
       else
        {
@@ -1062,15 +1061,15 @@ xcoff64_write_object_contents (bfd *abfd)
 
 static bfd_boolean
 xcoff64_reloc_type_br (bfd *input_bfd,
-                       asection *input_section,
-                       bfd *output_bfd ATTRIBUTE_UNUSED,
-                       struct internal_reloc *rel,
-                       struct internal_syment *sym ATTRIBUTE_UNUSED,
-                       struct reloc_howto_struct *howto,
-                       bfd_vma val,
-                       bfd_vma addend,
-                       bfd_vma *relocation,
-                       bfd_byte *contents)
+                      asection *input_section,
+                      bfd *output_bfd ATTRIBUTE_UNUSED,
+                      struct internal_reloc *rel,
+                      struct internal_syment *sym ATTRIBUTE_UNUSED,
+                      struct reloc_howto_struct *howto,
+                      bfd_vma val,
+                      bfd_vma addend,
+                      bfd_vma *relocation,
+                      bfd_byte *contents)
 {
   struct xcoff_link_hash_entry *h;
   bfd_vma section_offset;
@@ -1169,13 +1168,13 @@ xcoff64_reloc_type_br (bfd *input_bfd,
 
 bfd_boolean
 xcoff64_ppc_relocate_section (bfd *output_bfd,
-                              struct bfd_link_info *info,
-                              bfd *input_bfd,
-                              asection *input_section,
-                              bfd_byte *contents,
-                              struct internal_reloc *relocs,
-                              struct internal_syment *syms,
-                              asection **sections)
+                             struct bfd_link_info *info,
+                             bfd *input_bfd,
+                             asection *input_section,
+                             bfd_byte *contents,
+                             struct internal_reloc *relocs,
+                             struct internal_syment *syms,
+                             asection **sections)
 {
   struct internal_reloc *rel;
   struct internal_reloc *relend;
@@ -1306,10 +1305,6 @@ xcoff64_ppc_relocate_section (bfd *output_bfd,
         operation, which would be tedious, or we must do the computations
         in a type larger than bfd_vma, which would be inefficient.  */
 
-      if ((unsigned int) howto.complain_on_overflow
-         >= XCOFF_MAX_COMPLAIN_OVERFLOW)
-       abort ();
-
       if (((*xcoff_complain_overflow[howto.complain_on_overflow])
           (input_bfd, value_to_relocate, relocation, &howto)))
        {
@@ -1807,7 +1802,7 @@ xcoff64_rtype2howto (arelent *relent, struct internal_reloc *internal)
 
 reloc_howto_type *
 xcoff64_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
-                           bfd_reloc_code_real_type code)
+                          bfd_reloc_code_real_type code)
 {
   switch (code)
     {
@@ -1852,6 +1847,46 @@ xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
   return NULL;
 }
 
+/* PR 21786:  The PE/COFF standard does not require NUL termination for any of
+   the ASCII fields in the archive headers.  So in order to be able to extract
+   numerical values we provide our own versions of strtol and strtoll which
+   take a maximum length as an additional parameter.  Also - just to save space,
+   we omit the endptr return parameter, since we know that it is never used.  */
+
+static long
+_bfd_strntol (const char * nptr, int base, unsigned int maxlen)
+{
+  char buf[24]; /* Should be enough.  */
+
+  BFD_ASSERT (maxlen < (sizeof (buf) - 1));
+
+  memcpy (buf, nptr, maxlen);
+  buf[maxlen] = 0;
+  return strtol (buf, NULL, base);
+}
+
+static long long
+_bfd_strntoll (const char * nptr, int base, unsigned int maxlen)
+{
+  char buf[32]; /* Should be enough.  */
+
+  BFD_ASSERT (maxlen < (sizeof (buf) - 1));
+
+  memcpy (buf, nptr, maxlen);
+  buf[maxlen] = 0;
+  return strtoll (buf, NULL, base);
+}
+
+/* Macro to read an ASCII value stored in an archive header field.  */
+#define GET_VALUE_IN_FIELD(VAR, FIELD, BASE)                   \
+  do                                                           \
+    {                                                          \
+      (VAR) = (sizeof (VAR) > sizeof (long)                    \
+              ? _bfd_strntoll (FIELD, BASE, sizeof FIELD)      \
+              : _bfd_strntol (FIELD, BASE, sizeof FIELD));     \
+    }                                                          \
+  while (0)
+
 /* Read in the armap of an XCOFF archive.  */
 
 static bfd_boolean
@@ -1871,7 +1906,7 @@ xcoff64_slurp_armap (bfd *abfd)
 
   if (xcoff_ardata (abfd) == NULL)
     {
-      bfd_has_map (abfd) = FALSE;
+      abfd->has_armap = FALSE;
       return TRUE;
     }
 
@@ -1879,7 +1914,7 @@ xcoff64_slurp_armap (bfd *abfd)
                      (const char **) NULL, 10);
   if (off == 0)
     {
-      bfd_has_map (abfd) = FALSE;
+      abfd->has_armap = FALSE;
       return TRUE;
     }
 
@@ -1892,7 +1927,7 @@ xcoff64_slurp_armap (bfd *abfd)
     return FALSE;
 
   /* Skip the name (normally empty).  */
-  namlen = strtol (hdr.namlen, (char **) NULL, 10);
+  GET_VALUE_IN_FIELD (namlen, hdr.namlen, 10);
   pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG;
   if (bfd_seek (abfd, pos, SEEK_CUR) != 0)
     return FALSE;
@@ -1941,7 +1976,7 @@ xcoff64_slurp_armap (bfd *abfd)
     }
 
   bfd_ardata (abfd)->symdef_count = c;
-  bfd_has_map (abfd) = TRUE;
+  abfd->has_armap = TRUE;
 
   return TRUE;
 }
@@ -2081,7 +2116,7 @@ xcoff64_sizeof_headers (bfd *abfd,
 
 static asection *
 xcoff64_create_csect_from_smclas (bfd *abfd, union internal_auxent *aux,
-                                  const char *symbol_name)
+                                 const char *symbol_name)
 {
   asection *return_value = NULL;
 
@@ -2107,7 +2142,7 @@ xcoff64_create_csect_from_smclas (bfd *abfd, union internal_auxent *aux,
     {
       _bfd_error_handler
        /* xgettext: c-format */
-       (_("%B: symbol `%s' has unrecognized smclas %d"),
+       (_("%pB: symbol `%s' has unrecognized smclas %d"),
         abfd, symbol_name, aux->x_csect.x_smclas);
       bfd_set_error (bfd_error_bad_value);
     }
@@ -2117,28 +2152,28 @@ xcoff64_create_csect_from_smclas (bfd *abfd, union internal_auxent *aux,
 
 static bfd_boolean
 xcoff64_is_lineno_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
-                                  bfd_vma value ATTRIBUTE_UNUSED)
+                                 bfd_vma value ATTRIBUTE_UNUSED)
 {
   return FALSE;
 }
 
 static bfd_boolean
 xcoff64_is_reloc_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
-                                 bfd_vma value ATTRIBUTE_UNUSED)
+                                bfd_vma value ATTRIBUTE_UNUSED)
 {
   return FALSE;
 }
 
 static bfd_vma
 xcoff64_loader_symbol_offset (bfd *abfd ATTRIBUTE_UNUSED,
-                              struct internal_ldhdr *ldhdr)
+                             struct internal_ldhdr *ldhdr)
 {
   return (ldhdr->l_symoff);
 }
 
 static bfd_vma
 xcoff64_loader_reloc_offset (bfd *abfd ATTRIBUTE_UNUSED,
-                             struct internal_ldhdr *ldhdr)
+                            struct internal_ldhdr *ldhdr)
 {
   return (ldhdr->l_rldoff);
 }
@@ -2160,7 +2195,7 @@ xcoff64_bad_format_hook (bfd * abfd, void *filehdr)
 
 static bfd_boolean
 xcoff64_generate_rtinit (bfd *abfd, const char *init, const char *fini,
-                         bfd_boolean rtld)
+                        bfd_boolean rtld)
 {
   bfd_byte filehdr_ext[FILHSZ];
   bfd_byte scnhdr_ext[SCNHSZ * 3];
@@ -2654,22 +2689,22 @@ const bfd_target rs6000_xcoff64_vec =
     },
 
     { /* bfd_set_format */
-      bfd_false,
+      _bfd_bool_bfd_false_error,
       coff_mkobject,
       _bfd_generic_mkarchive,
-      bfd_false
+      _bfd_bool_bfd_false_error
     },
 
     {/* bfd_write_contents */
-      bfd_false,
+      _bfd_bool_bfd_false_error,
       xcoff64_write_object_contents,
       _bfd_xcoff_write_archive_contents,
-      bfd_false
+      _bfd_bool_bfd_false_error
     },
 
     /* Generic */
     _bfd_archive_close_and_cleanup,
-    bfd_true,
+    _bfd_bool_bfd_true,
     coff_new_section_hook,
     _bfd_generic_get_section_contents,
     _bfd_generic_get_section_contents_in_window,
@@ -2698,7 +2733,7 @@ const bfd_target rs6000_xcoff64_vec =
     xcoff64_openr_next_archived_file,
     _bfd_generic_get_elt_at_index,
     _bfd_xcoff_stat_arch_elt,
-    bfd_true,
+    _bfd_bool_bfd_true,
 
     /* Symbols */
     coff_get_symtab_upper_bound,
@@ -2743,9 +2778,11 @@ const bfd_target rs6000_xcoff64_vec =
     bfd_generic_lookup_section_flags,
     bfd_generic_merge_sections,
     bfd_generic_is_group_section,
+    bfd_generic_group_name,
     bfd_generic_discard_group,
     _bfd_generic_section_already_linked,
     _bfd_xcoff_define_common_symbol,
+    _bfd_generic_link_hide_symbol,
     bfd_generic_define_start_stop,
 
     /* Dynamic */
@@ -2915,22 +2952,22 @@ const bfd_target rs6000_xcoff64_aix_vec =
     },
 
     { /* bfd_set_format */
-      bfd_false,
+      _bfd_bool_bfd_false_error,
       coff_mkobject,
       _bfd_generic_mkarchive,
-      bfd_false
+      _bfd_bool_bfd_false_error
     },
 
     {/* bfd_write_contents */
-      bfd_false,
+      _bfd_bool_bfd_false_error,
       xcoff64_write_object_contents,
       _bfd_xcoff_write_archive_contents,
-      bfd_false
+      _bfd_bool_bfd_false_error
     },
 
     /* Generic */
     _bfd_archive_close_and_cleanup,
-    bfd_true,
+    _bfd_bool_bfd_true,
     coff_new_section_hook,
     _bfd_generic_get_section_contents,
     _bfd_generic_get_section_contents_in_window,
@@ -2959,7 +2996,7 @@ const bfd_target rs6000_xcoff64_aix_vec =
     xcoff64_openr_next_archived_file,
     _bfd_generic_get_elt_at_index,
     _bfd_xcoff_stat_arch_elt,
-    bfd_true,
+    _bfd_bool_bfd_true,
 
     /* Symbols */
     coff_get_symtab_upper_bound,
@@ -3004,9 +3041,11 @@ const bfd_target rs6000_xcoff64_aix_vec =
     bfd_generic_lookup_section_flags,
     bfd_generic_merge_sections,
     bfd_generic_is_group_section,
+    bfd_generic_group_name,
     bfd_generic_discard_group,
     _bfd_generic_section_already_linked,
     _bfd_xcoff_define_common_symbol,
+    _bfd_generic_link_hide_symbol,
     bfd_generic_define_start_stop,
 
     /* Dynamic */
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