mirror of
git://gcc.gnu.org/git/gcc.git
synced 2025-02-22 12:49:45 +08:00
system.h (SUNOS4_SHARED_LIBRARIES): Poison.
* system.h (SUNOS4_SHARED_LIBRARIES): Poison. * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code. * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define. * config/sparc/sparc.c (sparc_aout_select_section): Remove. (sparc_aout_select_rtx_section): Don't check SUNOS4_SHARED_LIBRARIES. * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define. From-SVN: r79216
This commit is contained in:
Ian Lance Taylor
Ian Lance Taylor
parent
b86f05b692
commit
9acd4a03dd
@ -1,3 +1,13 @@
|
||||
2004-03-09 Ian Lance Taylor <ian@wasabisystems.com>
|
||||
|
||||
* system.h (SUNOS4_SHARED_LIBRARIES): Poison.
|
||||
* collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
|
||||
* config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
|
||||
* config/sparc/sparc.c (sparc_aout_select_section): Remove.
|
||||
(sparc_aout_select_rtx_section): Don't check
|
||||
SUNOS4_SHARED_LIBRARIES.
|
||||
* config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.
|
||||
|
||||
2004-03-10 Hans-Peter Nilsson <hp@axis.com>
|
||||
|
||||
PR other/14474
|
||||
|
||||
267
gcc/collect2.c
267
gcc/collect2.c
@ -67,7 +67,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||||
cross-versions are in the proper directories. */
|
||||
|
||||
#ifdef CROSS_COMPILE
|
||||
#undef SUNOS4_SHARED_LIBRARIES
|
||||
#undef OBJECT_FORMAT_COFF
|
||||
#undef MD_EXEC_PREFIX
|
||||
#undef REAL_LD_FILE_NAME
|
||||
@ -140,7 +139,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
|
||||
fprintf ((STREAM), "void _GLOBAL__DD() {\n\t%s();\n}\n", (FUNC))
|
||||
#endif
|
||||
|
||||
#if defined (LDD_SUFFIX) || SUNOS4_SHARED_LIBRARIES
|
||||
#ifdef LDD_SUFFIX
|
||||
#define SCAN_LIBRARIES
|
||||
#endif
|
||||
|
||||
@ -2148,269 +2147,6 @@ scan_prog_file (const char *prog_name, enum pass which_pass)
|
||||
#endif
|
||||
}
|
||||
|
||||
#if SUNOS4_SHARED_LIBRARIES
|
||||
|
||||
/* Routines to scan the SunOS 4 _DYNAMIC structure to find shared libraries
|
||||
that the output file depends upon and their initialization/finalization
|
||||
routines, if any. */
|
||||
|
||||
#include <a.out.h>
|
||||
#include <fcntl.h>
|
||||
#include <link.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/param.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/dir.h>
|
||||
|
||||
/* pointers to the object file */
|
||||
unsigned object; /* address of memory mapped file */
|
||||
unsigned objsize; /* size of memory mapped to file */
|
||||
char * code; /* pointer to code segment */
|
||||
char * data; /* pointer to data segment */
|
||||
struct nlist *symtab; /* pointer to symbol table */
|
||||
struct link_dynamic *ld;
|
||||
struct link_dynamic_2 *ld_2;
|
||||
struct head libraries;
|
||||
|
||||
/* Map the file indicated by NAME into memory and store its address. */
|
||||
|
||||
static void
|
||||
mapfile (const char *name)
|
||||
{
|
||||
int fp;
|
||||
struct stat s;
|
||||
if ((fp = open (name, O_RDONLY)) == -1)
|
||||
fatal ("unable to open file '%s'", name);
|
||||
if (fstat (fp, &s) == -1)
|
||||
fatal ("unable to stat file '%s'", name);
|
||||
|
||||
objsize = s.st_size;
|
||||
object = (unsigned) mmap (0, objsize, PROT_READ|PROT_WRITE, MAP_PRIVATE,
|
||||
fp, 0);
|
||||
if (object == (unsigned)-1)
|
||||
fatal ("unable to mmap file '%s'", name);
|
||||
|
||||
close (fp);
|
||||
}
|
||||
|
||||
/* Helpers for locatelib. */
|
||||
|
||||
static const char *libname;
|
||||
|
||||
static int
|
||||
libselect (struct direct *d)
|
||||
{
|
||||
return (strncmp (libname, d->d_name, strlen (libname)) == 0);
|
||||
}
|
||||
|
||||
/* If one file has an additional numeric extension past LIBNAME, then put
|
||||
that one first in the sort. If both files have additional numeric
|
||||
extensions, then put the one with the higher number first in the sort.
|
||||
|
||||
We must verify that the extension is numeric, because Sun saves the
|
||||
original versions of patched libraries with a .FCS extension. Files with
|
||||
invalid extensions must go last in the sort, so that they will not be used. */
|
||||
|
||||
static int
|
||||
libcompare (struct direct **d1, struct direct **d2)
|
||||
{
|
||||
int i1, i2 = strlen (libname);
|
||||
char *e1 = (*d1)->d_name + i2;
|
||||
char *e2 = (*d2)->d_name + i2;
|
||||
|
||||
while (*e1 && *e2 && *e1 == '.' && *e2 == '.'
|
||||
&& e1[1] && ISDIGIT (e1[1]) && e2[1] && ISDIGIT (e2[1]))
|
||||
{
|
||||
++e1;
|
||||
++e2;
|
||||
i1 = strtol (e1, &e1, 10);
|
||||
i2 = strtol (e2, &e2, 10);
|
||||
if (i1 != i2)
|
||||
return i1 - i2;
|
||||
}
|
||||
|
||||
if (*e1)
|
||||
{
|
||||
/* It has a valid numeric extension, prefer this one. */
|
||||
if (*e1 == '.' && e1[1] && ISDIGIT (e1[1]))
|
||||
return 1;
|
||||
/* It has an invalid numeric extension, must prefer the other one. */
|
||||
else
|
||||
return -1;
|
||||
}
|
||||
else if (*e2)
|
||||
{
|
||||
/* It has a valid numeric extension, prefer this one. */
|
||||
if (*e2 == '.' && e2[1] && ISDIGIT (e2[1]))
|
||||
return -1;
|
||||
/* It has an invalid numeric extension, must prefer the other one. */
|
||||
else
|
||||
return 1;
|
||||
}
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Given the name NAME of a dynamic dependency, find its pathname and add
|
||||
it to the list of libraries. */
|
||||
|
||||
static void
|
||||
locatelib (const char *name)
|
||||
{
|
||||
static const char **l;
|
||||
static int cnt;
|
||||
char buf[MAXPATHLEN];
|
||||
char *p, *q;
|
||||
const char **pp;
|
||||
|
||||
if (l == 0)
|
||||
{
|
||||
char *ld_rules;
|
||||
char *ldr = 0;
|
||||
/* counting elements in array, need 1 extra for null */
|
||||
cnt = 1;
|
||||
ld_rules = (char *) (ld_2->ld_rules + code);
|
||||
if (ld_rules)
|
||||
{
|
||||
cnt++;
|
||||
for (; *ld_rules != 0; ld_rules++)
|
||||
if (*ld_rules == ':')
|
||||
cnt++;
|
||||
ld_rules = (char *) (ld_2->ld_rules + code);
|
||||
ldr = xstrdup (ld_rules);
|
||||
}
|
||||
p = getenv ("LD_LIBRARY_PATH");
|
||||
q = 0;
|
||||
if (p)
|
||||
{
|
||||
cnt++;
|
||||
for (q = p ; *q != 0; q++)
|
||||
if (*q == ':')
|
||||
cnt++;
|
||||
q = xstrdup (p);
|
||||
}
|
||||
l = xmalloc ((cnt + 3) * sizeof (char *));
|
||||
pp = l;
|
||||
if (ldr)
|
||||
{
|
||||
*pp++ = ldr;
|
||||
for (; *ldr != 0; ldr++)
|
||||
if (*ldr == ':')
|
||||
{
|
||||
*ldr++ = 0;
|
||||
*pp++ = ldr;
|
||||
}
|
||||
}
|
||||
if (q)
|
||||
{
|
||||
*pp++ = q;
|
||||
for (; *q != 0; q++)
|
||||
if (*q == ':')
|
||||
{
|
||||
*q++ = 0;
|
||||
*pp++ = q;
|
||||
}
|
||||
}
|
||||
/* built in directories are /lib, /usr/lib, and /usr/local/lib */
|
||||
*pp++ = "/lib";
|
||||
*pp++ = "/usr/lib";
|
||||
*pp++ = "/usr/local/lib";
|
||||
*pp = 0;
|
||||
}
|
||||
libname = name;
|
||||
for (pp = l; *pp != 0 ; pp++)
|
||||
{
|
||||
struct direct **namelist;
|
||||
int entries;
|
||||
if ((entries = scandir (*pp, &namelist, libselect, libcompare)) > 0)
|
||||
{
|
||||
sprintf (buf, "%s/%s", *pp, namelist[entries - 1]->d_name);
|
||||
add_to_list (&libraries, buf);
|
||||
if (debug)
|
||||
fprintf (stderr, "%s\n", buf);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (*pp == 0)
|
||||
{
|
||||
if (debug)
|
||||
notice ("not found\n");
|
||||
else
|
||||
fatal ("dynamic dependency %s not found", name);
|
||||
}
|
||||
}
|
||||
|
||||
/* Scan the _DYNAMIC structure of the output file to find shared libraries
|
||||
that it depends upon and any constructors or destructors they contain. */
|
||||
|
||||
static void
|
||||
scan_libraries (const char *prog_name)
|
||||
{
|
||||
struct exec *header;
|
||||
char *base;
|
||||
struct link_object *lo;
|
||||
char buff[MAXPATHLEN];
|
||||
struct id *list;
|
||||
|
||||
mapfile (prog_name);
|
||||
header = (struct exec *)object;
|
||||
if (N_BADMAG (*header))
|
||||
fatal ("bad magic number in file '%s'", prog_name);
|
||||
if (header->a_dynamic == 0)
|
||||
return;
|
||||
|
||||
code = (char *) (N_TXTOFF (*header) + (long) header);
|
||||
data = (char *) (N_DATOFF (*header) + (long) header);
|
||||
symtab = (struct nlist *) (N_SYMOFF (*header) + (long) header);
|
||||
|
||||
if (header->a_magic == ZMAGIC && header->a_entry == 0x20)
|
||||
{
|
||||
/* shared object */
|
||||
ld = (struct link_dynamic *) (symtab->n_value + code);
|
||||
base = code;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* executable */
|
||||
ld = (struct link_dynamic *) data;
|
||||
base = code-PAGSIZ;
|
||||
}
|
||||
|
||||
if (debug)
|
||||
notice ("dynamic dependencies.\n");
|
||||
|
||||
ld_2 = (struct link_dynamic_2 *) ((long) ld->ld_un.ld_2 + (long)base);
|
||||
for (lo = (struct link_object *) ld_2->ld_need; lo;
|
||||
lo = (struct link_object *) lo->lo_next)
|
||||
{
|
||||
char *name;
|
||||
lo = (struct link_object *) ((long) lo + code);
|
||||
name = (char *) (code + lo->lo_name);
|
||||
if (lo->lo_library)
|
||||
{
|
||||
if (debug)
|
||||
fprintf (stderr, "\t-l%s.%d => ", name, lo->lo_major);
|
||||
sprintf (buff, "lib%s.so.%d.%d", name, lo->lo_major, lo->lo_minor);
|
||||
locatelib (buff);
|
||||
}
|
||||
else
|
||||
{
|
||||
if (debug)
|
||||
fprintf (stderr, "\t%s\n", name);
|
||||
add_to_list (&libraries, name);
|
||||
}
|
||||
}
|
||||
|
||||
if (debug)
|
||||
fprintf (stderr, "\n");
|
||||
|
||||
/* Now iterate through the library list adding their symbols to
|
||||
the list. */
|
||||
for (list = libraries.first; list; list = list->next)
|
||||
scan_prog_file (list->name, PASS_LIB);
|
||||
}
|
||||
|
||||
#else /* SUNOS4_SHARED_LIBRARIES */
|
||||
#ifdef LDD_SUFFIX
|
||||
|
||||
/* Use the List Dynamic Dependencies program to find shared libraries that
|
||||
@ -2547,7 +2283,6 @@ scan_libraries (const char *prog_name)
|
||||
}
|
||||
|
||||
#endif /* LDD_SUFFIX */
|
||||
#endif /* SUNOS4_SHARED_LIBRARIES */
|
||||
|
||||
#endif /* OBJECT_FORMAT_NONE */
|
||||
|
||||
|
||||
@ -29,7 +29,6 @@ Boston, MA 02111-1307, USA. */
|
||||
(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
|
||||
|| !strcmp (STR, "target") || !strcmp (STR, "assert"))
|
||||
|
||||
#define TARGET_ASM_SELECT_SECTION sparc_aout_select_section
|
||||
#define TARGET_ASM_SELECT_RTX_SECTION sparc_aout_select_rtx_section
|
||||
|
||||
/* Output the label for a function definition. */
|
||||
|
||||
@ -160,8 +160,6 @@ static void sparc_function_prologue (FILE *, HOST_WIDE_INT, int);
|
||||
#ifdef OBJECT_FORMAT_ELF
|
||||
static void sparc_elf_asm_named_section (const char *, unsigned int);
|
||||
#endif
|
||||
static void sparc_aout_select_section (tree, int, unsigned HOST_WIDE_INT)
|
||||
ATTRIBUTE_UNUSED;
|
||||
static void sparc_aout_select_rtx_section (enum machine_mode, rtx,
|
||||
unsigned HOST_WIDE_INT)
|
||||
ATTRIBUTE_UNUSED;
|
||||
@ -8125,16 +8123,6 @@ sparc_init_libfuncs (void)
|
||||
gofast_maybe_init_libfuncs ();
|
||||
}
|
||||
|
||||
/* ??? Similar to the standard section selection, but force reloc-y-ness
|
||||
if SUNOS4_SHARED_LIBRARIES. Unclear why this helps (as opposed to
|
||||
pretending PIC always on), but that's what the old code did. */
|
||||
|
||||
static void
|
||||
sparc_aout_select_section (tree t, int reloc, unsigned HOST_WIDE_INT align)
|
||||
{
|
||||
default_select_section (t, reloc | SUNOS4_SHARED_LIBRARIES, align);
|
||||
}
|
||||
|
||||
/* Use text section for a constant unless we need more alignment than
|
||||
that offers. */
|
||||
|
||||
@ -8143,8 +8131,7 @@ sparc_aout_select_rtx_section (enum machine_mode mode, rtx x,
|
||||
unsigned HOST_WIDE_INT align)
|
||||
{
|
||||
if (align <= MAX_TEXT_ALIGN
|
||||
&& ! (flag_pic && (symbolic_operand (x, mode)
|
||||
|| SUNOS4_SHARED_LIBRARIES)))
|
||||
&& ! (flag_pic && symbolic_operand (x, mode)))
|
||||
readonly_data_section ();
|
||||
else
|
||||
data_section ();
|
||||
|
||||
@ -801,15 +801,6 @@ if (TARGET_ARCH64 \
|
||||
because the linker fails to align the text section enough!
|
||||
Put them in the data section. This macro is only used in this file. */
|
||||
#define MAX_TEXT_ALIGN 32
|
||||
|
||||
/* This forces all variables and constants to the data section when PIC.
|
||||
This is because the SunOS 4 shared library scheme thinks everything in
|
||||
text is a function, and patches the address to point to a loader stub. */
|
||||
/* This is defined to zero for every system which doesn't use the a.out object
|
||||
file format. */
|
||||
#ifndef SUNOS4_SHARED_LIBRARIES
|
||||
#define SUNOS4_SHARED_LIBRARIES 0
|
||||
#endif
|
||||
|
||||
/* Standard register usage. */
|
||||
|
||||
|
||||
@ -641,7 +641,7 @@ typedef char _Bool;
|
||||
FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
|
||||
TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
|
||||
DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \
|
||||
MD_ASM_CLOBBERS
|
||||
MD_ASM_CLOBBERS SUNOS4_SHARED_LIBRARIES
|
||||
|
||||
/* Hooks that are no longer used. */
|
||||
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
|
||||
|
||||
Loading…
Reference in New Issue
Block a user