summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJeff Law <law@redhat.com>1999-06-24 20:01:44 +0000
committerJeff Law <law@redhat.com>1999-06-24 20:01:44 +0000
commit4568afdadb1b6dbe1d6aa342d5045813aed99b92 (patch)
tree54998c4bd88839cfbfa32548ea5fc457437dac06
parent29ebea24ff8b9bf97cd33a490b3d8eaa84078c1d (diff)
downloadbinutils-redhat-4568afdadb1b6dbe1d6aa342d5045813aed99b92.tar.gz
ð
* elf-hppa.c (elf_hppa_final_write_processing): New function. * elf32-hppa.c: Remove everything related to symbol extension sections & records. Use the common elf_hppa_final_write_processing.
-rw-r--r--bfd/elf32-hppa.c1235
1 files changed, 18 insertions, 1217 deletions
diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index a259840fda..192dd47fba 100644
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -35,50 +35,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "elf-hppa.h"
-/* The internal type of a symbol table extension entry. */
-typedef unsigned long symext_entryS;
-
-/* The external type of a symbol table extension entry. */
-#define ELF32_PARISC_SX_SIZE (4)
-#define ELF32_PARISC_SX_GET(bfd, addr) bfd_h_get_32 ((bfd), (addr))
-#define ELF32_PARISC_SX_PUT(bfd, val, addr) \
- bfd_h_put_32 ((bfd), (val), (addr))
-
-/* HPPA symbol table extension entry types */
-enum elf32_hppa_symextn_types
-{
- PARISC_SXT_NULL,
- PARISC_SXT_SYMNDX,
- PARISC_SXT_ARG_RELOC,
-};
-
-/* These macros compose and decompose the value of a symextn entry:
-
- entry_type = ELF32_PARISC_SX_TYPE(word);
- entry_value = ELF32_PARISC_SX_VAL(word);
- word = ELF32_PARISC_SX_WORD(type,val); */
-
-#define ELF32_PARISC_SX_TYPE(p) ((p) >> 24)
-#define ELF32_PARISC_SX_VAL(p) ((p) & 0xFFFFFF)
-#define ELF32_PARISC_SX_WORD(type,val) (((type) << 24) + (val & 0xFFFFFF))
-
-/* The following was added facilitate implementation of the .hppa_symextn
- section. This section is built after the symbol table is built in the
- elf_write_object_contents routine (called from bfd_close). It is built
- so late because it requires information that is not known until
- the symbol and string table sections have been allocated, and
- the symbol table has been built. */
-
-#define SYMEXTN_SECTION_NAME ".PARISC.symext"
-
-struct symext_chain
- {
- symext_entryS entry;
- struct symext_chain *next;
- };
-
-typedef struct symext_chain symext_chainS;
-
/* We use three different hash tables to hold information for
linking PA ELF objects.
@@ -88,11 +44,7 @@ typedef struct symext_chain symext_chainS;
The second is the stub hash table which is derived from the
base BFD hash table. The stub hash table holds the information
- necessary to build the linker stubs during a link.
-
- The last hash table keeps track of argument location information needed
- to build hash tables. Each function with nonzero argument location
- bits will have an entry in this table. */
+ necessary to build the linker stubs during a link. */
/* Hash table for linker stubs. */
@@ -128,23 +80,6 @@ struct elf32_hppa_stub_hash_table
};
-/* Hash table for argument location information. */
-
-struct elf32_hppa_args_hash_entry
-{
- /* Base hash table entry structure. */
- struct bfd_hash_entry root;
-
- /* The argument location bits for this entry. */
- int arg_bits;
-};
-
-struct elf32_hppa_args_hash_table
-{
- /* The hash table itself. */
- struct bfd_hash_table root;
-};
-
struct elf32_hppa_link_hash_entry
{
struct elf_link_hash_entry root;
@@ -158,9 +93,6 @@ struct elf32_hppa_link_hash_table
/* The stub hash table. */
struct elf32_hppa_stub_hash_table *stub_hash_table;
- /* The argument relocation bits hash table. */
- struct elf32_hppa_args_hash_table *args_hash_table;
-
/* A count of the number of output symbols. */
unsigned int output_symbol_count;
@@ -169,32 +101,6 @@ struct elf32_hppa_link_hash_table
int global_sym_defined;
};
-/* FIXME. */
-#define ARGUMENTS 0
-#define RETURN_VALUE 1
-
-/* The various argument relocations that may be performed. */
-typedef enum
-{
- /* No relocation. */
- NO,
- /* Relocate 32 bits from GR to FP register. */
- GF,
- /* Relocate 64 bits from a GR pair to FP pair. */
- GD,
- /* Relocate 32 bits from FP to GR. */
- FG,
- /* Relocate 64 bits from FP pair to GR pair. */
- DG,
-} arg_reloc_type;
-
-/* What is being relocated (eg which argument or the return value). */
-typedef enum
-{
- ARG0, ARG1, ARG2, ARG3, RET,
-} arg_reloc_location;
-
-
/* ELF32/HPPA relocation support
This file contains ELF32/HPPA relocation support as specified
@@ -214,25 +120,6 @@ static unsigned long hppa_elf_relocate_insn
static bfd_reloc_status_type hppa_elf_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd*, char **));
-static boolean elf32_hppa_set_section_contents
- PARAMS ((bfd *, sec_ptr, PTR, file_ptr, bfd_size_type));
-
-static boolean elf32_hppa_backend_symbol_table_processing
- PARAMS ((bfd *, elf_symbol_type *, unsigned int));
-
-static void elf32_hppa_backend_begin_write_processing
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static void elf32_hppa_backend_final_write_processing
- PARAMS ((bfd *, boolean));
-
-static void add_entry_to_symext_chain
- PARAMS ((bfd *, unsigned int, unsigned int, symext_chainS **,
- symext_chainS **));
-
-static void
-elf_hppa_tc_make_sections PARAMS ((bfd *, symext_chainS *));
-
static boolean hppa_elf_is_local_label_name PARAMS ((bfd *, const char *));
static boolean elf32_hppa_add_symbol_hook
@@ -251,10 +138,6 @@ static struct bfd_hash_entry *
elf32_hppa_stub_hash_newfunc
PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-static struct bfd_hash_entry *
-elf32_hppa_args_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-
static boolean
elf32_hppa_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
@@ -270,71 +153,11 @@ elf32_hppa_stub_hash_table_init
static boolean
elf32_hppa_build_one_stub PARAMS ((struct bfd_hash_entry *, PTR));
-static boolean
-elf32_hppa_read_symext_info
- PARAMS ((bfd *, Elf_Internal_Shdr *, struct elf32_hppa_args_hash_table *,
- Elf_Internal_Sym *));
-
static unsigned int elf32_hppa_size_of_stub
- PARAMS ((unsigned int, unsigned int, bfd_vma, bfd_vma, const char *));
-
-static boolean elf32_hppa_arg_reloc_needed
- PARAMS ((unsigned int, unsigned int, arg_reloc_type []));
+ PARAMS ((bfd_vma, bfd_vma, const char *));
static void elf32_hppa_name_of_stub
- PARAMS ((unsigned int, unsigned int, bfd_vma, bfd_vma, char *));
-
-static boolean elf32_hppa_size_symext PARAMS ((struct bfd_hash_entry *, PTR));
-
-static boolean elf32_hppa_link_output_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const char *,
- Elf_Internal_Sym *, asection *));
-
-/* Where (what register type) is an argument comming from? */
-typedef enum
-{
- AR_NO,
- AR_GR,
- AR_FR,
- AR_FU,
- AR_FPDBL1,
- AR_FPDBL2,
-} arg_location;
-
-/* Horizontal represents the callee's argument location information,
- vertical represents caller's argument location information. Value at a
- particular X,Y location represents what (if any) argument relocation
- needs to be performed to make caller and callee agree. */
-
-static CONST arg_reloc_type arg_mismatches[6][6] =
-{
- {NO, NO, NO, NO, NO, NO},
- {NO, NO, GF, NO, GD, NO},
- {NO, FG, NO, NO, NO, NO},
- {NO, NO, NO, NO, NO, NO},
- {NO, DG, NO, NO, NO, NO},
- {NO, DG, NO, NO, NO, NO},
-};
-
-/* Likewise, but reversed for the return value. */
-static CONST arg_reloc_type ret_mismatches[6][6] =
-{
- {NO, NO, NO, NO, NO, NO},
- {NO, NO, FG, NO, DG, NO},
- {NO, GF, NO, NO, NO, NO},
- {NO, NO, NO, NO, NO, NO},
- {NO, GD, NO, NO, NO, NO},
- {NO, GD, NO, NO, NO, NO},
-};
-
-/* Misc static crud for symbol extension records. */
-static symext_chainS *symext_rootP;
-static symext_chainS *symext_lastP;
-static bfd_size_type symext_chain_size;
-
-/* FIXME: We should be able to try this static variable! */
-static bfd_byte *symextn_contents;
-
+ PARAMS ((bfd_vma, bfd_vma, char *));
/* For linker stub hash tables. */
#define elf32_hppa_stub_hash_lookup(table, string, create, copy) \
@@ -347,24 +170,6 @@ static bfd_byte *symextn_contents;
(boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) (func), \
(info)))
-/* For linker args hash tables. */
-#define elf32_hppa_args_hash_lookup(table, string, create, copy) \
- ((struct elf32_hppa_args_hash_entry *) \
- bfd_hash_lookup (&(table)->root, (string), (create), (copy)))
-
-#define elf32_hppa_args_hash_traverse(table, func, info) \
- (bfd_hash_traverse \
- (&(table)->root, \
- (boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) (func), \
- (info)))
-
-#define elf32_hppa_args_hash_table_init(table, newfunc) \
- (bfd_hash_table_init \
- (&(table)->root, \
- (struct bfd_hash_entry *(*) PARAMS ((struct bfd_hash_entry *, \
- struct bfd_hash_table *, \
- const char *))) (newfunc)))
-
/* For HPPA linker hash table. */
#define elf32_hppa_link_hash_lookup(table, string, create, copy, follow)\
@@ -384,10 +189,6 @@ static bfd_byte *symextn_contents;
((struct elf32_hppa_link_hash_table *) ((p)->hash))
-/* Extract specific argument location bits for WHICH from
- the full argument location in AR. */
-#define EXTRACT_ARBITS(ar, which) ((ar) >> (8 - ((which) * 2))) & 3
-
/* Assorted hash table functions. */
/* Initialize an entry in the stub hash table. */
@@ -442,38 +243,6 @@ elf32_hppa_stub_hash_table_init (table, stub_bfd, newfunc)
return (bfd_hash_table_init (&table->root, newfunc));
}
-/* Initialize an entry in the argument location hash table. */
-
-static struct bfd_hash_entry *
-elf32_hppa_args_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
-{
- struct elf32_hppa_args_hash_entry *ret;
-
- ret = (struct elf32_hppa_args_hash_entry *) entry;
-
- /* Allocate the structure if it has not already been allocated by a
- subclass. */
- if (ret == NULL)
- ret = ((struct elf32_hppa_args_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf32_hppa_args_hash_entry)));
- if (ret == NULL)
- return NULL;
-
- /* Call the allocation method of the superclass. */
- ret = ((struct elf32_hppa_args_hash_entry *)
- bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
-
- /* Initialize the local fields. */
- if (ret)
- ret->arg_bits = 0;
-
- return (struct bfd_hash_entry *) ret;
-}
-
/* Create the derived linker hash table. The PA ELF port uses the derived
hash table to keep information specific to the PA ELF linker (without
using static variables). */
@@ -495,7 +264,6 @@ elf32_hppa_link_hash_table_create (abfd)
return NULL;
}
ret->stub_hash_table = NULL;
- ret->args_hash_table = NULL;
ret->output_symbol_count = 0;
ret->global_value = 0;
ret->global_sym_defined = 0;
@@ -702,13 +470,6 @@ elf32_hppa_relocate_section (output_bfd, info, input_bfd, input_section,
sym_name = bfd_section_name (input_bfd, sym_sec);
}
- /* If args_hash_table is NULL, then we have encountered some
- kind of link error (ex. undefined symbols). Do not try to
- apply any relocations, continue the loop so we can notify
- the user of several errors in a single attempted link. */
- if (elf32_hppa_hash_table (info)->args_hash_table == NULL)
- continue;
-
r = elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
input_section, contents,
rel->r_offset, relocation,
@@ -769,25 +530,6 @@ elf32_hppa_relocate_section (output_bfd, info, input_bfd, input_section,
return true;
}
-/* Set the contents of a particular section at a particular location. */
-
-static boolean
-elf32_hppa_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type count;
-{
- /* Ignore write requests for the symbol extension section until we've
- had the chance to rebuild it ourselves. */
- if (!strcmp (section->name, ".PARISC.symextn") && !symext_chain_size)
- return true;
- else
- return _bfd_elf_set_section_contents (abfd, section, location,
- offset, count);
-}
-
/* Actually perform a relocation. NOTE this is (mostly) superceeded
by elf32_hppa_bfd_final_link_relocate which is called by the new
fast linker. */
@@ -936,9 +678,6 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
{
bfd_vma location;
unsigned int len, caller_args, callee_args;
- arg_reloc_type arg_reloc_types[5];
- struct elf32_hppa_args_hash_table *args_hash_table;
- struct elf32_hppa_args_hash_entry *args_hash;
char *new_name, *stub_name;
/* Get the field selector right. We'll need it in a minute. */
@@ -955,8 +694,6 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
input_section->output_offset +
input_section->output_section->vma);
- /* Now look for the argument relocation bits associated with the
- target. */
len = strlen (sym_name) + 1;
if (is_local)
len += 9;
@@ -969,32 +706,9 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
if (is_local)
sprintf (new_name + len - 10, "_%08x", (int)sym_sec);
- args_hash_table = elf32_hppa_hash_table (info)->args_hash_table;
-
- args_hash = elf32_hppa_args_hash_lookup (args_hash_table,
- new_name, false, false);
- if (args_hash == NULL)
- callee_args = 0;
- else
- callee_args = args_hash->arg_bits;
-
- /* If this is a CALL relocation, then get the caller's bits
- from the addend. Else use the magic 0x155 value for PLABELS.
-
- Also we don't care about the destination (value) for PLABELS. */
- if (r_type == R_PARISC_PCREL17F)
- caller_args = HPPA_R_ARG_RELOC (addend);
- else
- {
- caller_args = 0x155;
- location = value;
- }
-
/* Any kind of linker stub needed? */
if (((int)(value - location) > 0x3ffff)
- || ((int)(value - location) < (int)0xfffc0000)
- || elf32_hppa_arg_reloc_needed (caller_args, callee_args,
- arg_reloc_types))
+ || ((int)(value - location) < (int)0xfffc0000))
{
struct elf32_hppa_stub_hash_table *stub_hash_table;
struct elf32_hppa_stub_hash_entry *stub_hash;
@@ -1007,8 +721,7 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
stub_name = bfd_malloc (len);
if (!stub_name)
return bfd_reloc_notsupported;
- elf32_hppa_name_of_stub (caller_args, callee_args,
- location, value, stub_name);
+ elf32_hppa_name_of_stub (location, value, stub_name);
strcat (stub_name, new_name);
free (new_name);
@@ -1026,7 +739,6 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
if (stub_hash != NULL)
{
-
if (r_type == R_PARISC_PCREL17F)
{
unsigned long delay_insn;
@@ -1098,28 +810,9 @@ elf32_hppa_bfd_final_link_relocate (howto, input_bfd, output_bfd,
return bfd_reloc_dangerous;
}
}
- else
- {
- /* PLABEL stuff is easy. */
-
- value = (stub_hash->offset
- + stub_section->output_offset
- + stub_section->output_section->vma);
- /* We don't need the RP adjustment for PLABELs. */
- value += 4;
- if (r_type == R_PARISC_PLABEL32)
- r_format = 32;
- else if (r_type == R_PARISC_PLABEL21L)
- r_format = 21;
- else if (r_type == R_PARISC_PLABEL14R)
- r_format = 14;
-
- r_pcrel = 0;
- addend = 0;
- }
- }
- else
- return bfd_reloc_notsupported;
+ else
+ return bfd_reloc_notsupported;
+ }
}
goto do_basic_type_1;
}
@@ -1150,490 +843,6 @@ hppa_elf_is_local_label_name (abfd, name)
return (name[0] == 'L' && name[1] == '$');
}
-/* Do any backend specific processing when beginning to write an object
- file. For PA ELF we need to determine the size of the symbol extension
- section *before* any other output processing happens. */
-
-static void
-elf32_hppa_backend_begin_write_processing (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
-{
- unsigned int i;
- asection *symextn_sec;
-
- /* Size up the symbol extension section. */
- if ((abfd->outsymbols == NULL
- && info == NULL)
- || symext_chain_size != 0)
- return;
-
- if (info == NULL)
- {
- /* We were not called from the BFD ELF linker code, so we need
- to examine the output BFD's outsymbols.
-
- Note we can not build the symbol extensions now as the symbol
- map hasn't been set up. */
- for (i = 0; i < abfd->symcount; i++)
- {
- elf_symbol_type *symbol = (elf_symbol_type *)abfd->outsymbols[i];
-
- /* Only functions ever need an entry in the symbol extension
- section. */
- if (!(symbol->symbol.flags & BSF_FUNCTION))
- continue;
-
- /* And only if they specify the locations of their arguments. */
- if (symbol->tc_data.hppa_arg_reloc == 0)
- continue;
-
- /* Yup. This function symbol needs an entry. */
- symext_chain_size += 2 * ELF32_PARISC_SX_SIZE;
- }
- }
- else if (info->relocateable == true)
- {
- struct elf32_hppa_args_hash_table *table;
- table = elf32_hppa_hash_table (info)->args_hash_table;
-
- /* Determine the size of the symbol extension section. */
- elf32_hppa_args_hash_traverse (table,
- elf32_hppa_size_symext,
- &symext_chain_size);
- }
-
- /* Now create the section and set its size. We'll fill in the
- contents later. */
- symextn_sec = bfd_get_section_by_name (abfd, SYMEXTN_SECTION_NAME);
- if (symextn_sec == NULL)
- symextn_sec = bfd_make_section (abfd, SYMEXTN_SECTION_NAME);
-
- bfd_set_section_flags (abfd, symextn_sec,
- SEC_LOAD | SEC_HAS_CONTENTS | SEC_DATA);
- symextn_sec->output_section = symextn_sec;
- symextn_sec->output_offset = 0;
- bfd_set_section_alignment (abfd, symextn_sec, 2);
- bfd_set_section_size (abfd, symextn_sec, symext_chain_size);
-}
-
-/* Called for each entry in the args location hash table. For each
- entry we bump the size pointer by 2 records (16 bytes). */
-
-static boolean
-elf32_hppa_size_symext (gen_entry, in_args)
- struct bfd_hash_entry *gen_entry;
- PTR in_args;
-{
- bfd_size_type *sizep = (bfd_size_type *)in_args;
-
- *sizep += 2 * ELF32_PARISC_SX_SIZE;
- return true;
-}
-
-/* Backend routine called by the linker for each output symbol.
-
- For PA ELF we use this opportunity to add an appropriate entry
- to the symbol extension chain for function symbols. */
-
-static boolean
-elf32_hppa_link_output_symbol_hook (abfd, info, name, sym, section)
- bfd *abfd;
- struct bfd_link_info *info;
- const char *name;
- Elf_Internal_Sym *sym;
- asection *section;
-{
- char *new_name;
- unsigned int len, index;
- struct elf32_hppa_args_hash_table *args_hash_table;
- struct elf32_hppa_args_hash_entry *args_hash;
-
- /* If the args hash table is NULL, then we've encountered an error
- of some sorts (for example, an undefined symbol). In that case
- we've got nothing else to do.
-
- NOTE: elf_link_output_symbol will abort if we return false here! */
- if (elf32_hppa_hash_table (info)->args_hash_table == NULL)
- return true;
-
- index = elf32_hppa_hash_table (info)->output_symbol_count++;
-
- /* We need to look up this symbol in the args hash table to see if
- it has argument relocation bits. */
- if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
- return true;
-
- /* We know it's a function symbol of some kind. */
- len = strlen (name) + 1;
- if (ELF_ST_BIND (sym->st_info) == STB_LOCAL)
- len += 9;
-
- new_name = bfd_malloc (len);
- if (new_name == NULL)
- return false;
-
- strcpy (new_name, name);
- if (ELF_ST_BIND (sym->st_info) == STB_LOCAL)
- sprintf (new_name + len - 10, "_%08x", (int)section);
-
- /* Now that we have the unique name, we can look it up in the
- args hash table. */
- args_hash_table = elf32_hppa_hash_table (info)->args_hash_table;
- args_hash = elf32_hppa_args_hash_lookup (args_hash_table, new_name,
- false, false);
- free (new_name);
- if (args_hash == NULL)
- return true;
-
- /* We know this symbol has arg reloc bits. */
- add_entry_to_symext_chain (abfd, args_hash->arg_bits,
- index, &symext_rootP, &symext_lastP);
- return true;
-}
-
-/* Perform any processing needed late in the object file writing process.
- For PA ELF we build and set the contents of the symbol extension
- section. */
-
-static void
-elf32_hppa_backend_final_write_processing (abfd, linker)
- bfd *abfd;
- boolean linker;
-{
- asection *symextn_sec;
- unsigned int i;
-
- /* Now build the symbol extension section. */
- if (symext_chain_size == 0)
- return;
-
- if (! linker)
- {
- /* We were not called from the backend linker, so we still need
- to build the symbol extension chain.
-
- Look at each symbol, adding the appropriate information to the
- symbol extension section list as necessary. */
- for (i = 0; i < abfd->symcount; i++)
- {
- elf_symbol_type *symbol = (elf_symbol_type *) abfd->outsymbols[i];
-
- /* Only functions ever need an entry in the symbol extension
- section. */
- if (!(symbol->symbol.flags & BSF_FUNCTION))
- continue;
-
- /* And only if they specify the locations of their arguments. */
- if (symbol->tc_data.hppa_arg_reloc == 0)
- continue;
-
- /* Add this symbol's information to the chain. */
- add_entry_to_symext_chain (abfd, symbol->tc_data.hppa_arg_reloc,
- symbol->symbol.udata.i, &symext_rootP,
- &symext_lastP);
- }
- }
-
- /* Now fill in the contents of the symbol extension section. */
- elf_hppa_tc_make_sections (abfd, symext_rootP);
-
- /* And attach that as the section's contents. */
- symextn_sec = bfd_get_section_by_name (abfd, SYMEXTN_SECTION_NAME);
- if (symextn_sec == (asection *) 0)
- abort();
-
- symextn_sec->contents = (void *)symextn_contents;
-
- bfd_set_section_contents (abfd, symextn_sec, symextn_sec->contents,
- symextn_sec->output_offset, symextn_sec->_raw_size);
-}
-
-/* Update the symbol extention chain to include the symbol pointed to
- by SYMBOLP if SYMBOLP is a function symbol. Used internally and by GAS. */
-
-static void
-add_entry_to_symext_chain (abfd, arg_reloc, sym_idx, symext_root, symext_last)
- bfd *abfd;
- unsigned int arg_reloc;
- unsigned int sym_idx;
- symext_chainS **symext_root;
- symext_chainS **symext_last;
-{
- symext_chainS *symextP;
-
- /* Allocate memory and initialize this entry. */
- symextP = (symext_chainS *) bfd_alloc (abfd, sizeof (symext_chainS) * 2);
- if (!symextP)
- abort(); /* FIXME */
-
- symextP[0].entry = ELF32_PARISC_SX_WORD (PARISC_SXT_SYMNDX, sym_idx);
- symextP[0].next = &symextP[1];
-
- symextP[1].entry = ELF32_PARISC_SX_WORD (PARISC_SXT_ARG_RELOC, arg_reloc);
- symextP[1].next = NULL;
-
- /* Now update the chain itself so it can be walked later to build
- the symbol extension section. */
- if (*symext_root == NULL)
- {
- *symext_root = &symextP[0];
- *symext_last = &symextP[1];
- }
- else
- {
- (*symext_last)->next = &symextP[0];
- *symext_last = &symextP[1];
- }
-}
-
-/* Build the symbol extension section. */
-
-static void
-elf_hppa_tc_make_sections (abfd, symext_root)
- bfd *abfd;
- symext_chainS *symext_root;
-{
- symext_chainS *symextP;
- unsigned int i;
- asection *symextn_sec;
-
- symextn_sec = bfd_get_section_by_name (abfd, SYMEXTN_SECTION_NAME);
-
- /* Grab some memory for the contents of the symbol extension section
- itself. */
- symextn_contents = (bfd_byte *) bfd_zalloc (abfd,
- symextn_sec->_raw_size);
- if (!symextn_contents)
- abort(); /* FIXME */
-
- /* Fill in the contents of the symbol extension chain. */
- for (i = 0, symextP = symext_root; symextP; symextP = symextP->next, ++i)
- ELF32_PARISC_SX_PUT (abfd, (bfd_vma) symextP->entry,
- symextn_contents + i * ELF32_PARISC_SX_SIZE);
-
- return;
-}
-
-/* Do some PA ELF specific work after reading in the symbol table.
- In particular attach the argument relocation from the
- symbol extension section to the appropriate symbols. */
-
-static boolean
-elf32_hppa_backend_symbol_table_processing (abfd, esyms,symcnt)
- bfd *abfd;
- elf_symbol_type *esyms;
- unsigned int symcnt;
-{
- Elf32_Internal_Shdr *symextn_hdr =
- bfd_elf_find_section (abfd, SYMEXTN_SECTION_NAME);
- unsigned int i, current_sym_idx = 0;
-
- /* If no symbol extension existed, then all symbol extension information
- is assumed to be zero. */
- if (symextn_hdr == NULL)
- {
- for (i = 0; i < symcnt; i++)
- esyms[i].tc_data.hppa_arg_reloc = 0;
- return (true);
- }
-
- /* FIXME: Why not use bfd_get_section_contents here? Also should give
- memory back when we're done. */
- /* Allocate a buffer of the appropriate size for the symextn section. */
- symextn_hdr->contents = bfd_zalloc(abfd,symextn_hdr->sh_size);
- if (!symextn_hdr->contents)
- return false;
-
- /* Read in the symextn section. */
- if (bfd_seek (abfd, symextn_hdr->sh_offset, SEEK_SET) == -1)
- return false;
- if (bfd_read ((PTR) symextn_hdr->contents, 1, symextn_hdr->sh_size, abfd)
- != symextn_hdr->sh_size)
- return false;
-
- /* Parse entries in the symbol extension section, updating the symtab
- entries as we go */
- for (i = 0; i < symextn_hdr->sh_size / ELF32_PARISC_SX_SIZE; i++)
- {
- symext_entryS se =
- ELF32_PARISC_SX_GET (abfd,
- ((unsigned char *)symextn_hdr->contents
- + i * ELF32_PARISC_SX_SIZE));
- unsigned int se_value = ELF32_PARISC_SX_VAL (se);
- unsigned int se_type = ELF32_PARISC_SX_TYPE (se);
-
- switch (se_type)
- {
- case PARISC_SXT_NULL:
- break;
-
- case PARISC_SXT_SYMNDX:
- if (se_value >= symcnt)
- {
- bfd_set_error (bfd_error_bad_value);
- return (false);
- }
- current_sym_idx = se_value - 1;
- break;
-
- case PARISC_SXT_ARG_RELOC:
- esyms[current_sym_idx].tc_data.hppa_arg_reloc = se_value;
- break;
-
- default:
- bfd_set_error (bfd_error_bad_value);
- return (false);
- }
- }
- return (true);
-}
-
-/* Read and attach the symbol extension information for the symbols
- in INPUT_BFD to the argument location hash table. Handle locals
- if DO_LOCALS is true; likewise for globals when DO_GLOBALS is true. */
-
-static boolean
-elf32_hppa_read_symext_info (input_bfd, symtab_hdr, args_hash_table, local_syms)
- bfd *input_bfd;
- Elf_Internal_Shdr *symtab_hdr;
- struct elf32_hppa_args_hash_table *args_hash_table;
- Elf_Internal_Sym *local_syms;
-{
- asection *symextn_sec;
- bfd_byte *contents;
- unsigned int i, n_entries, current_index = 0;
-
- /* Get the symbol extension section for this BFD. If no section exists
- then there's nothing to do. Likewise if the section exists, but
- has no contents. */
- symextn_sec = bfd_get_section_by_name (input_bfd, SYMEXTN_SECTION_NAME);
- if (symextn_sec == NULL)
- return true;
-
- /* Done separately so we can turn off SEC_HAS_CONTENTS (see below). */
- if (symextn_sec->_raw_size == 0)
- {
- symextn_sec->flags &= ~SEC_HAS_CONTENTS;
- return true;
- }
-
- contents = (bfd_byte *) bfd_malloc ((size_t) symextn_sec->_raw_size);
- if (contents == NULL)
- return false;
-
- /* How gross. We turn off SEC_HAS_CONTENTS for the input symbol extension
- sections to keep the generic ELF/BFD code from trying to do anything
- with them. We have to undo that hack temporarily so that we can read
- in the contents with the generic code. */
- symextn_sec->flags |= SEC_HAS_CONTENTS;
- if (bfd_get_section_contents (input_bfd, symextn_sec, contents,
- 0, symextn_sec->_raw_size) == false)
- {
- symextn_sec->flags &= ~SEC_HAS_CONTENTS;
- free (contents);
- return false;
- }
-
- /* Gross. Turn off SEC_HAS_CONTENTS for the input symbol extension
- sections (see above). */
- symextn_sec->flags &= ~SEC_HAS_CONTENTS;
-
- n_entries = symextn_sec->_raw_size / ELF32_PARISC_SX_SIZE;
- for (i = 0; i < n_entries; i++)
- {
- symext_entryS entry =
- ELF32_PARISC_SX_GET (input_bfd, contents + i * ELF32_PARISC_SX_SIZE);
- unsigned int value = ELF32_PARISC_SX_VAL (entry);
- unsigned int type = ELF32_PARISC_SX_TYPE (entry);
- struct elf32_hppa_args_hash_entry *args_hash;
-
- switch (type)
- {
- case PARISC_SXT_NULL:
- break;
-
- case PARISC_SXT_SYMNDX:
- if (value >= symtab_hdr->sh_size / sizeof (Elf32_External_Sym))
- {
- bfd_set_error (bfd_error_bad_value);
- free (contents);
- return false;
- }
- current_index = value;
- break;
-
- case PARISC_SXT_ARG_RELOC:
- if (current_index < symtab_hdr->sh_info)
- {
- Elf_Internal_Shdr *hdr;
- char *new_name;
- const char *sym_name;
- asection *sym_sec;
- unsigned int len;
-
- hdr = elf_elfsections (input_bfd)[local_syms[current_index].st_shndx];
- sym_sec = hdr->bfd_section;
- sym_name = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- local_syms[current_index].st_name);
- len = strlen (sym_name) + 10;
- new_name = bfd_malloc (len);
- if (new_name == NULL)
- {
- free (contents);
- return false;
- }
- strcpy (new_name, sym_name);
- sprintf (new_name + len - 10, "_%08x", (int)sym_sec);
-
- /* This is a global symbol with argument location info.
- We need to enter it into the hash table. */
- args_hash = elf32_hppa_args_hash_lookup (args_hash_table,
- new_name, true,
- true);
- free (new_name);
- if (args_hash == NULL)
- {
- free (contents);
- return false;
- }
- args_hash->arg_bits = value;
- break;
- }
- else if (current_index >= symtab_hdr->sh_info)
- {
- struct elf_link_hash_entry *h;
-
- current_index -= symtab_hdr->sh_info;
- h = elf_sym_hashes(input_bfd)[current_index];
- /* This is a global symbol with argument location
- information. We need to enter it into the hash table. */
- args_hash = elf32_hppa_args_hash_lookup (args_hash_table,
- h->root.root.string,
- true, true);
- if (args_hash == NULL)
- {
- bfd_set_error (bfd_error_bad_value);
- free (contents);
- return false;
- }
- args_hash->arg_bits = value;
- break;
- }
- else
- break;
-
- default:
- bfd_set_error (bfd_error_bad_value);
- free (contents);
- return false;
- }
- }
- free (contents);
- return true;
-}
-
/* Undo the generic ELF code's subtraction of section->vma from the
value of each external symbol. */
@@ -1656,117 +865,11 @@ elf32_hppa_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
for a call from LOCATION to DESTINATION. Copy the name into STUB_NAME. */
static void
-elf32_hppa_name_of_stub (caller, callee, location, destination, stub_name)
- unsigned int caller, callee;
+elf32_hppa_name_of_stub (location, destination, stub_name)
bfd_vma location, destination;
char *stub_name;
{
- arg_reloc_type arg_reloc_types[5];
-
- if (elf32_hppa_arg_reloc_needed (caller, callee, arg_reloc_types))
- {
- arg_reloc_location i;
- /* Fill in the basic template. */
- strcpy (stub_name, "__XX_XX_XX_XX_XX_stub_");
-
- /* Now fix the specifics. */
- for (i = ARG0; i <= RET; i++)
- switch (arg_reloc_types[i])
- {
- case NO:
- stub_name[3 * i + 2] = 'N';
- stub_name[3 * i + 3] = 'O';
- break;
- case GF:
- stub_name[3 * i + 2] = 'G';
- stub_name[3 * i + 3] = 'F';
- break;
- case FG:
- stub_name[3 * i + 2] = 'F';
- stub_name[3 * i + 3] = 'G';
- break;
- case GD:
- stub_name[3 * i + 2] = 'G';
- stub_name[3 * i + 3] = 'D';
- break;
- case DG:
- stub_name[3 * i + 2] = 'D';
- stub_name[3 * i + 3] = 'G';
- break;
- }
- }
- else
- strcpy (stub_name, "_____long_branch_stub_");
-}
-
-/* Determine if an argument relocation stub is needed to perform a
- call assuming the argument relocation bits for caller and callee
- are in CALLER and CALLEE. Place the type of relocations (if any)
- into stub_types_p. */
-
-static boolean
-elf32_hppa_arg_reloc_needed (caller, callee, stub_types)
- unsigned int caller, callee;
- arg_reloc_type stub_types[5];
-{
- /* Special case for no relocations. */
- if (caller == 0 || callee == 0)
- return 0;
- else
- {
- arg_location caller_loc[5];
- arg_location callee_loc[5];
-
- /* Extract the location information for the argument and return
- value on both the caller and callee sides. */
- caller_loc[ARG0] = EXTRACT_ARBITS (caller, ARG0);
- callee_loc[ARG0] = EXTRACT_ARBITS (callee, ARG0);
- caller_loc[ARG1] = EXTRACT_ARBITS (caller, ARG1);
- callee_loc[ARG1] = EXTRACT_ARBITS (callee, ARG1);
- caller_loc[ARG2] = EXTRACT_ARBITS (caller, ARG2);
- callee_loc[ARG2] = EXTRACT_ARBITS (callee, ARG2);
- caller_loc[ARG3] = EXTRACT_ARBITS (caller, ARG3);
- callee_loc[ARG3] = EXTRACT_ARBITS (callee, ARG3);
- caller_loc[RET] = EXTRACT_ARBITS (caller, RET);
- callee_loc[RET] = EXTRACT_ARBITS (callee, RET);
-
- /* Check some special combinations. This is necessary to
- deal with double precision FP arguments. */
- if (caller_loc[ARG0] == AR_FU || caller_loc[ARG1] == AR_FU)
- {
- caller_loc[ARG0] = AR_FPDBL1;
- caller_loc[ARG1] = AR_NO;
- }
- if (caller_loc[ARG2] == AR_FU || caller_loc[ARG3] == AR_FU)
- {
- caller_loc[ARG2] = AR_FPDBL2;
- caller_loc[ARG3] = AR_NO;
- }
- if (callee_loc[ARG0] == AR_FU || callee_loc[ARG1] == AR_FU)
- {
- callee_loc[ARG0] = AR_FPDBL1;
- callee_loc[ARG1] = AR_NO;
- }
- if (callee_loc[ARG2] == AR_FU || callee_loc[ARG3] == AR_FU)
- {
- callee_loc[ARG2] = AR_FPDBL2;
- callee_loc[ARG3] = AR_NO;
- }
-
- /* Now look up any relocation needed for each argument and the
- return value. */
- stub_types[ARG0] = arg_mismatches[caller_loc[ARG0]][callee_loc[ARG0]];
- stub_types[ARG1] = arg_mismatches[caller_loc[ARG1]][callee_loc[ARG1]];
- stub_types[ARG2] = arg_mismatches[caller_loc[ARG2]][callee_loc[ARG2]];
- stub_types[ARG3] = arg_mismatches[caller_loc[ARG3]][callee_loc[ARG3]];
- stub_types[RET] = ret_mismatches[caller_loc[RET]][callee_loc[RET]];
-
- return (stub_types[ARG0] != NO
- || stub_types[ARG1] != NO
- || stub_types[ARG2] != NO
- || stub_types[ARG3] != NO
- || stub_types[RET] != NO);
- }
+ strcpy (stub_name, "_____long_branch_stub_");
}
/* Compute the size of the stub needed to call from LOCATION to DESTINATION
@@ -1774,62 +877,16 @@ elf32_hppa_arg_reloc_needed (caller, callee, stub_types)
CALLEE. Return zero if no stub is needed to perform such a call. */
static unsigned int
-elf32_hppa_size_of_stub (callee, caller, location, destination, sym_name)
- unsigned int callee, caller;
+elf32_hppa_size_of_stub (location, destination, sym_name)
bfd_vma location, destination;
const char *sym_name;
{
- arg_reloc_type arg_reloc_types[5];
-
- /* Determine if a long branch or argument relocation stub is needed.
- If an argument relocation stub is needed, the relocation will be
- stored into arg_reloc_types. */
+ /* Determine if a long branch stub is needed. */
if (!(((int)(location - destination) > 0x3ffff)
- || ((int)(location - destination) < (int)0xfffc0000)
- || elf32_hppa_arg_reloc_needed (caller, callee, arg_reloc_types)))
+ || ((int)(location - destination) < (int)0xfffc0000)))
return 0;
- /* Some kind of stub is needed. Determine how big it needs to be.
- First check for argument relocation stubs as they also handle
- long calls. Then check for long calls to millicode and finally
- the normal long calls. */
- if (arg_reloc_types[ARG0] != NO
- || arg_reloc_types[ARG1] != NO
- || arg_reloc_types[ARG2] != NO
- || arg_reloc_types[ARG3] != NO
- || arg_reloc_types[RET] != NO)
- {
- /* Some kind of argument relocation stub is needed. */
- unsigned int len = 16;
- arg_reloc_location i;
-
- /* Each GR or FG relocation takes 2 insns, each GD or DG
- relocation takes 3 insns. Plus 4 more insns for the
- RP adjustment, ldil & (be | ble) and copy. */
- for (i = ARG0; i <= RET; i++)
- switch (arg_reloc_types[i])
- {
- case GF:
- case FG:
- len += 8;
- break;
-
- case GD:
- case DG:
- len += 12;
- break;
-
- default:
- break;
- }
-
- /* Extra instructions are needed if we're relocating a return value. */
- if (arg_reloc_types[RET] != NO)
- len += 12;
-
- return len;
- }
- else if (!strncmp ("$$", sym_name, 2)
+ if (!strncmp ("$$", sym_name, 2)
&& strcmp ("$$dyncall", sym_name))
return 12;
else
@@ -1870,131 +927,7 @@ elf32_hppa_build_one_stub (gen_entry, in_args)
+ entry->target_section->output_offset
+ entry->target_section->output_section->vma);
- if (strncmp ("_____long_branch_stub_", entry->root.string, 22))
- {
- /* This must be an argument or return value relocation stub. */
- unsigned long insn;
- arg_reloc_location i;
- bfd_byte *begin_loc = loc;
-
- /* First the return pointer adjustment. Depending on exact calling
- sequence this instruction may be skipped. */
- bfd_put_32 (stub_bfd, LDO_M4_R31_R31, loc);
- loc += 4;
-
- /* If we are relocating a return value, then we're going to have
- to return into the stub. So we have to save off the user's
- return pointer into the stack at RP'. */
- if (strncmp (entry->root.string + 14, "NO", 2))
- {
- bfd_put_32 (stub_bfd, STW_R31_M8R30, loc);
- loc += 4;
- }
-
- /* Iterate over the argument relocations, emitting instructions
- to move them around as necessary. */
- for (i = ARG0; i <= ARG3; i++)
- {
- if (!strncmp (entry->root.string + 3 * i + 2, "GF", 2))
- {
- bfd_put_32 (stub_bfd, STW_ARG_M16R30 | ((26 - i) << 16), loc);
- bfd_put_32 (stub_bfd, FLDW_M16R30_FARG | (4 + i), loc + 4);
- loc += 8;
- }
- else if (!strncmp (entry->root.string + 3 * i + 2, "FG", 2))
- {
- bfd_put_32 (stub_bfd, FSTW_FARG_M16R30 | (4 + i), loc);
- bfd_put_32 (stub_bfd, LDW_M16R30_ARG | ((26 - i) << 16), loc + 4);
- loc += 8;
- }
- else if (!strncmp (entry->root.string + 3 * i + 2, "GD", 2))
- {
- bfd_put_32 (stub_bfd, STW_ARG_M12R30 | ((26 - i) << 16), loc);
- bfd_put_32 (stub_bfd, STW_ARG_M16R30 | ((25 - i) << 16), loc + 4);
- bfd_put_32 (stub_bfd, FLDD_M16R30_FARG | (5 + i), loc + 8);
- loc += 12;
- }
- else if (!strncmp (entry->root.string + 3 * i + 2, "DG", 2))
- {
- bfd_put_32 (stub_bfd, FSTD_FARG_M16R30 | (5 + i), loc);
- bfd_put_32 (stub_bfd, LDW_M12R30_ARG | ((26 - i) << 16), loc + 4);
- bfd_put_32 (stub_bfd, LDW_M16R30_ARG | ((25 - i) << 16), loc + 8);
- loc += 12;
- }
- }
-
- /* Load the high bits of the target address into %r1. */
- insn = hppa_rebuild_insn (stub_bfd, LDIL_R1,
- hppa_field_adjust (sym_value, 0, e_lrsel), 21);
- bfd_put_32 (stub_bfd, insn, loc);
- loc += 4;
-
- /* If we are relocating a return value, then we're going to have
- to return into the stub, then perform the return value relocation. */
- if (strncmp (entry->root.string + 14, "NO", 2))
- {
- /* To return to the stub we "ble" to the target and copy the return
- pointer from %r31 into %r2. */
- insn = hppa_rebuild_insn (stub_bfd,
- BLE_SR4_R1,
- hppa_field_adjust (sym_value, 0,
- e_rrsel) >> 2,
- 17);
- bfd_put_32 (stub_bfd, insn, loc);
- bfd_put_32 (stub_bfd, COPY_R31_R2, loc + 4);
-
- /* Reload the return pointer for our caller from the stack. */
- bfd_put_32 (stub_bfd, LDW_M8R30_R31, loc + 8);
- loc += 12;
-
- /* Perform the return value relocation. */
- if (!strncmp (entry->root.string + 14, "GF", 2))
- {
- bfd_put_32 (stub_bfd, STW_ARG_M16R30 | (28 << 16), loc);
- bfd_put_32 (stub_bfd, FLDW_M16R30_FARG | 4, loc + 4);
- loc += 8;
- }
- else if (!strncmp (entry->root.string + 14, "FG", 2))
- {
- bfd_put_32 (stub_bfd, FSTW_FARG_M16R30 | 4, loc);
- bfd_put_32 (stub_bfd, LDW_M16R30_ARG | (28 << 16), loc + 4);
- loc += 8;
- }
- else if (!strncmp (entry->root.string + 2, "GD", 2))
- {
- bfd_put_32 (stub_bfd, STW_ARG_M12R30 | (28 << 16), loc);
- bfd_put_32 (stub_bfd, STW_ARG_M16R30 | (29 << 16), loc + 4);
- bfd_put_32 (stub_bfd, FLDD_M16R30_FARG | 4, loc + 8);
- loc += 12;
- }
- else if (!strncmp (entry->root.string + 2, "DG", 2))
- {
- bfd_put_32 (stub_bfd, FSTD_FARG_M16R30 | 4, loc);
- bfd_put_32 (stub_bfd, LDW_M12R30_ARG | (28 << 16), loc + 4);
- bfd_put_32 (stub_bfd, LDW_M16R30_ARG | (29 << 16), loc + 8);
- loc += 12;
- }
- /* Branch back to the user's code now. */
- bfd_put_32 (stub_bfd, BV_N_0_R31, loc);
- loc += 4;
- }
- else
- {
- /* No return value relocation, so we can simply "be" to the
- target and copy out return pointer into %r2. */
- insn = hppa_rebuild_insn (stub_bfd, BE_SR4_R1,
- hppa_field_adjust (sym_value, 0,
- e_rrsel) >> 2, 17);
- bfd_put_32 (stub_bfd, insn, loc);
- bfd_put_32 (stub_bfd, COPY_R31_R2, loc + 4);
- loc += 8;
- }
-
- /* Update the location and offsets. */
- stub_hash_table->location += (loc - begin_loc);
- stub_hash_table->offset += (loc - begin_loc);
- }
- else
+ if (1)
{
/* Create one of two variant long branch stubs. One for $$dyncall and
normal calls, the other for calls to millicode. */
@@ -2098,7 +1031,6 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
Elf32_External_Sym *ext_syms, *esym;
unsigned int i, index, bfd_count = 0;
struct elf32_hppa_stub_hash_table *stub_hash_table = 0;
- struct elf32_hppa_args_hash_table *args_hash_table = 0;
/* Create and initialize the stub hash table. */
stub_hash_table = ((struct elf32_hppa_stub_hash_table *)
@@ -2110,19 +1042,8 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
elf32_hppa_stub_hash_newfunc))
goto error_return;
- /* Likewise for the argument location hash table. */
- args_hash_table = ((struct elf32_hppa_args_hash_table *)
- bfd_malloc (sizeof (struct elf32_hppa_args_hash_table)));
- if (!args_hash_table)
- goto error_return;
-
- if (!elf32_hppa_args_hash_table_init (args_hash_table,
- elf32_hppa_args_hash_newfunc))
- goto error_return;
-
/* Attach the hash tables to the main hash table. */
elf32_hppa_hash_table(link_info)->stub_hash_table = stub_hash_table;
- elf32_hppa_hash_table(link_info)->args_hash_table = args_hash_table;
/* Count the number of input BFDs. */
for (input_bfd = link_info->input_bfds;
@@ -2130,88 +1051,6 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
input_bfd = input_bfd->link_next)
bfd_count++;
- /* We want to read in symbol extension records only once. To do this
- we need to read in the local symbols in parallel and save them for
- later use; so hold pointers to the local symbols in an array. */
- all_local_syms
- = (Elf_Internal_Sym **) bfd_malloc (sizeof (Elf_Internal_Sym *)
- * bfd_count);
- if (all_local_syms == NULL)
- goto error_return;
- memset (all_local_syms, 0, sizeof (Elf_Internal_Sym *) * bfd_count);
-
- /* Walk over all the input BFDs adding entries to the args hash table
- for all the external functions. */
- for (input_bfd = link_info->input_bfds, index = 0;
- input_bfd != NULL;
- input_bfd = input_bfd->link_next, index++)
- {
- /* We'll need the symbol table in a second. */
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- if (symtab_hdr->sh_info == 0)
- continue;
-
- /* We need an array of the local symbols attached to the input bfd.
- Unfortunately, we're going to have to read & swap them in. */
- local_syms
- = (Elf_Internal_Sym *) bfd_malloc (symtab_hdr->sh_info
- * sizeof (Elf_Internal_Sym));
- if (local_syms == NULL)
- {
- for (i = 0; i < bfd_count; i++)
- if (all_local_syms[i])
- free (all_local_syms[i]);
- free (all_local_syms);
- goto error_return;
- }
- all_local_syms[index] = local_syms;
-
- ext_syms
- = (Elf32_External_Sym *) bfd_malloc (symtab_hdr->sh_info
- * sizeof (Elf32_External_Sym));
- if (ext_syms == NULL)
- {
- for (i = 0; i < bfd_count; i++)
- if (all_local_syms[i])
- free (all_local_syms[i]);
- free (all_local_syms);
- goto error_return;
- }
-
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || bfd_read (ext_syms, 1,
- (symtab_hdr->sh_info
- * sizeof (Elf32_External_Sym)), input_bfd)
- != (symtab_hdr->sh_info * sizeof (Elf32_External_Sym)))
- {
- for (i = 0; i < bfd_count; i++)
- if (all_local_syms[i])
- free (all_local_syms[i]);
- free (all_local_syms);
- free (ext_syms);
- goto error_return;
- }
-
- /* Swap the local symbols in. */
- isym = local_syms;
- esym = ext_syms;
- for (i = 0; i < symtab_hdr->sh_info; i++, esym++, isym++)
- bfd_elf32_swap_symbol_in (input_bfd, esym, isym);
-
- /* Now we can free the external symbols. */
- free (ext_syms);
-
- if (elf32_hppa_read_symext_info (input_bfd, symtab_hdr, args_hash_table,
- local_syms) == false)
- {
- for (i = 0; i < bfd_count; i++)
- if (all_local_syms[i])
- free (all_local_syms[i]);
- free (all_local_syms);
- goto error_return;
- }
- }
-
/* Magic as we know the stub bfd only has one section. */
stub_sec = stub_bfd->sections;
@@ -2311,11 +1150,10 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
irelaend = irela + section->reloc_count;
for (; irela < irelaend; irela++)
{
- long r_type, callee_args, caller_args, size_of_stub;
+ long r_type, size_of_stub;
unsigned long r_index;
struct elf_link_hash_entry *hash;
struct elf32_hppa_stub_hash_entry *stub_hash;
- struct elf32_hppa_args_hash_entry *args_hash;
Elf_Internal_Sym *sym;
asection *sym_sec;
const char *sym_name;
@@ -2411,24 +1249,6 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
}
}
- args_hash = elf32_hppa_args_hash_lookup (args_hash_table,
- sym_name, false, false);
-
- /* Get both caller and callee argument information. */
- if (args_hash == NULL)
- callee_args = 0;
- else
- callee_args = args_hash->arg_bits;
-
- /* For calls get the caller's bits from the addend of
- the call relocation. For PLABELS the caller's bits
- are assumed to have all args & return values in general
- registers (0x155). */
- if (r_type == R_PARISC_PCREL17F)
- caller_args = HPPA_R_ARG_RELOC (irela->r_addend);
- else
- caller_args = 0x155;
-
/* Now determine where the call point is. */
location = (section->output_offset
+ section->output_section->vma
@@ -2441,9 +1261,7 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
/* Determine what (if any) linker stub is needed and its
size (in bytes). */
- size_of_stub = elf32_hppa_size_of_stub (callee_args,
- caller_args,
- location,
+ size_of_stub = elf32_hppa_size_of_stub (location,
destination,
sym_name);
if (size_of_stub != 0)
@@ -2470,8 +1288,7 @@ elf32_hppa_size_stubs (stub_bfd, output_bfd, link_info)
free (all_local_syms);
goto error_return;
}
- elf32_hppa_name_of_stub (caller_args, callee_args,
- location, destination, stub_name);
+ elf32_hppa_name_of_stub (location, destination, stub_name);
strcat (stub_name + 22, sym_name);
/* Because sym_name was malloced above for local symbols. */
@@ -2535,11 +1352,6 @@ error_return:
elf32_hppa_hash_table(link_info)->stub_hash_table = NULL;
free (stub_hash_table);
}
- if (args_hash_table)
- {
- elf32_hppa_hash_table(link_info)->args_hash_table = NULL;
- free (args_hash_table);
- }
/* Set the size of the stub section to zero since we're never going
to create them. Avoids losing when we try to get its contents
too. */
@@ -2553,20 +1365,9 @@ error_return:
#define elf_info_to_howto elf_hppa_info_to_howto
#define elf_info_to_howto_rel elf_hppa_info_to_howto_rel
-/* Symbol extension stuff. */
-#define bfd_elf32_set_section_contents elf32_hppa_set_section_contents
-#define elf_backend_symbol_table_processing \
- elf32_hppa_backend_symbol_table_processing
-#define elf_backend_begin_write_processing \
- elf32_hppa_backend_begin_write_processing
-#define elf_backend_final_write_processing \
- elf32_hppa_backend_final_write_processing
-
/* Stuff for the BFD linker. */
#define elf_backend_relocate_section elf32_hppa_relocate_section
#define elf_backend_add_symbol_hook elf32_hppa_add_symbol_hook
-#define elf_backend_link_output_symbol_hook \
- elf32_hppa_link_output_symbol_hook
#define bfd_elf32_bfd_link_hash_table_create \
elf32_hppa_link_hash_table_create