mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-07-01 18:32:32 +08:00
* configure.in: Check for working mmap, ansi headers, string.h,
strings.h, and memory.h. * configure: Regenerated. * gdb_stat.h: New file, "portable" <sys/stat.h>. * gdb_string.h: New file, "portable" <string.h>. * altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c, convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c, gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c, i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c, mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c, rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c, symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c, ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h" instead of <sys/stat.h>. * alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c, ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c, core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c, dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c, exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c, fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c, inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c, m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c, monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c, printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c, remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c, remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c, remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c, remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c, remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c, solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c, symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c, valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include "gdb_string.h" instead of <string.h>. * gdbtk.c: Likewise. * config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h, sparc/xm-sun4os4.h (HAVE_MMAP): Removed. * config/xm-lynx.h, config/i386/xm-ptx.h, config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h, config/mips/xm-irix3.h, config/mips/xm-mips.h, config/mips/xm-news-mips.h, config/mips/xm-riscos.h, config/pa/hppah.h, config/rs6000/xm-rs6000.h, config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h, config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h, config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed. * config/mips/xm-irix3.h, config/mips/xm-mips.h, config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
This commit is contained in:
J.T. Conklin
125
gdb/dbxread.c
125
gdb/dbxread.c
@ -33,7 +33,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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for real. dbx_psymtab_to_symtab() is the function that does this */
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#include "defs.h"
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#include <string.h>
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#include "gdb_string.h"
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#if defined(USG) || defined(__CYGNUSCLIB__)
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#include <sys/types.h>
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@ -45,7 +45,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef NO_SYS_FILE
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#include <sys/file.h>
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#endif
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#include <sys/stat.h>
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#include "gdb_stat.h"
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#include <ctype.h>
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#include "symtab.h"
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#include "breakpoint.h"
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@ -70,9 +70,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define SEEK_CUR 1
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#endif
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/* Each partial symbol table entry contains a pointer to private data for the
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sym_read function to use when expanding a partial symbol table entry
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to a full symbol table entry. */
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/* We put a pointer to this structure in the read_symtab_private field
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of the psymtab. */
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struct symloc {
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@ -573,8 +572,8 @@ dbx_symfile_read (objfile, section_offsets, mainline)
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process them and define symbols accordingly. */
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read_dbx_symtab (section_offsets, objfile,
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bfd_section_vma (sym_bfd, DBX_TEXT_SECT (objfile)),
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bfd_section_size (sym_bfd, DBX_TEXT_SECT (objfile)));
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DBX_TEXT_ADDR (objfile),
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DBX_TEXT_SIZE (objfile));
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/* Add the dynamic symbols. */
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@ -624,6 +623,7 @@ dbx_symfile_init (objfile)
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int val;
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bfd *sym_bfd = objfile->obfd;
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char *name = bfd_get_filename (sym_bfd);
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asection *text_sect;
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unsigned char size_temp[DBX_STRINGTAB_SIZE_SIZE];
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/* Allocate struct to keep track of the symfile */
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@ -637,9 +637,12 @@ dbx_symfile_init (objfile)
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/* FIXME POKING INSIDE BFD DATA STRUCTURES */
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DBX_SYMFILE_INFO (objfile)->stab_section_info = NULL;
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DBX_TEXT_SECT (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
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if (!DBX_TEXT_SECT (objfile))
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text_sect = bfd_get_section_by_name (sym_bfd, ".text");
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if (!text_sect)
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error ("Can't find .text section in symbol file");
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DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
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DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
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DBX_SYMBOL_SIZE (objfile) = obj_symbol_entry_size (sym_bfd);
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DBX_SYMCOUNT (objfile) = bfd_get_symcount (sym_bfd);
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@ -755,6 +758,13 @@ static char *last_function_name;
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building psymtabs, right? */
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static char *stringtab_global;
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/* These variables are used to control fill_symbuf when the stabs
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symbols are not contiguous (as may be the case when a COFF file is
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linked using --split-by-reloc). */
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static struct stab_section_list *symbuf_sections;
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static unsigned int symbuf_left;
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static unsigned int symbuf_read;
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/* Refill the symbol table input buffer
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and set the variables that control fetching entries from it.
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Reports an error if no data available.
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@ -765,13 +775,37 @@ static void
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fill_symbuf (sym_bfd)
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bfd *sym_bfd;
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{
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int nbytes = bfd_read ((PTR)symbuf, sizeof (symbuf), 1, sym_bfd);
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unsigned int count;
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int nbytes;
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if (symbuf_sections == NULL)
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count = sizeof (symbuf);
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else
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{
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if (symbuf_left <= 0)
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{
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file_ptr filepos = symbuf_sections->section->filepos;
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if (bfd_seek (sym_bfd, filepos, SEEK_SET) != 0)
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perror_with_name (bfd_get_filename (sym_bfd));
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symbuf_left = bfd_section_size (sym_bfd, symbuf_sections->section);
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symbol_table_offset = filepos - symbuf_read;
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symbuf_sections = symbuf_sections->next;
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}
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count = symbuf_left;
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if (count > sizeof (symbuf))
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count = sizeof (symbuf);
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}
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nbytes = bfd_read ((PTR)symbuf, count, 1, sym_bfd);
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if (nbytes < 0)
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perror_with_name (bfd_get_filename (sym_bfd));
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else if (nbytes == 0)
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error ("Premature end of file reading symbol table");
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symbuf_end = nbytes / symbol_size;
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symbuf_idx = 0;
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symbuf_left -= nbytes;
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symbuf_read += nbytes;
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}
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#define SWAP_SYMBOL(symp, abfd) \
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@ -2096,10 +2130,12 @@ process_one_symbol (type, desc, valu, name, section_offsets, objfile)
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int l = colon_pos - name;
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m = lookup_minimal_symbol_by_pc (last_pc_address);
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if (m && STREQN (SYMBOL_NAME (m), name, l))
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if (m && STREQN (SYMBOL_NAME (m), name, l)
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&& SYMBOL_NAME (m) [l] == '\0')
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/* last_pc_address was in this function */
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valu = SYMBOL_VALUE (m);
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else if (m && STREQN (SYMBOL_NAME (m+1), name, l))
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else if (m && STREQN (SYMBOL_NAME (m+1), name, l)
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&& SYMBOL_NAME (m+1) [l] == '\0')
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/* last_pc_address was in last function */
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valu = SYMBOL_VALUE (m+1);
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else
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@ -2176,9 +2212,10 @@ process_one_symbol (type, desc, valu, name, section_offsets, objfile)
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previous_stab_code = type;
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}
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/* FIXME: The only difference between this and elfstab_build_psymtabs is
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the call to install_minimal_symbols for elf. If the differences are
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really that small, the code should be shared. */
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/* FIXME: The only difference between this and elfstab_build_psymtabs
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is the call to install_minimal_symbols for elf, and the support for
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split sections. If the differences are really that small, the code
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should be shared. */
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/* Scan and build partial symbols for an coff symbol file.
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The coff file has already been processed to get its minimal symbols.
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@ -2191,8 +2228,9 @@ process_one_symbol (type, desc, valu, name, section_offsets, objfile)
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the base address of the text segment).
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MAINLINE is true if we are reading the main symbol
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table (as opposed to a shared lib or dynamically loaded file).
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STABOFFSET and STABSIZE define the location in OBJFILE where the .stab
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section exists.
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TEXTADDR is the address of the text section.
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TEXTSIZE is the size of the text section.
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STABSECTS is the list of .stab sections in OBJFILE.
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STABSTROFFSET and STABSTRSIZE define the location in OBJFILE where the
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.stabstr section exists.
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@ -2201,13 +2239,14 @@ process_one_symbol (type, desc, valu, name, section_offsets, objfile)
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void
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coffstab_build_psymtabs (objfile, section_offsets, mainline,
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staboffset, stabsize,
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textaddr, textsize, stabsects,
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stabstroffset, stabstrsize)
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struct objfile *objfile;
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struct section_offsets *section_offsets;
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int mainline;
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file_ptr staboffset;
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unsigned int stabsize;
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CORE_ADDR textaddr;
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unsigned int textsize;
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struct stab_section_list *stabsects;
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file_ptr stabstroffset;
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unsigned int stabstrsize;
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{
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@ -2215,20 +2254,18 @@ coffstab_build_psymtabs (objfile, section_offsets, mainline,
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bfd *sym_bfd = objfile->obfd;
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char *name = bfd_get_filename (sym_bfd);
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struct dbx_symfile_info *info;
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unsigned int stabsize;
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/* There is already a dbx_symfile_info allocated by our caller.
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It might even contain some info from the coff symtab to help us. */
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info = (struct dbx_symfile_info *) objfile->sym_stab_info;
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DBX_TEXT_SECT (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
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if (!DBX_TEXT_SECT (objfile))
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error ("Can't find .text section in symbol file");
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DBX_TEXT_ADDR (objfile) = textaddr;
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DBX_TEXT_SIZE (objfile) = textsize;
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#define COFF_STABS_SYMBOL_SIZE 12 /* XXX FIXME XXX */
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DBX_SYMBOL_SIZE (objfile) = COFF_STABS_SYMBOL_SIZE;
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DBX_SYMCOUNT (objfile) = stabsize / DBX_SYMBOL_SIZE (objfile);
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DBX_STRINGTAB_SIZE (objfile) = stabstrsize;
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DBX_SYMTAB_OFFSET (objfile) = staboffset;
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if (stabstrsize > bfd_get_size (sym_bfd))
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error ("ridiculous string table size: %d bytes", stabstrsize);
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@ -2254,6 +2291,30 @@ coffstab_build_psymtabs (objfile, section_offsets, mainline,
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/* In a coff file, we've already installed the minimal symbols that came
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from the coff (non-stab) symbol table, so always act like an
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incremental load here. */
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if (stabsects->next == NULL)
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{
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stabsize = bfd_section_size (sym_bfd, stabsects->section);
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DBX_SYMCOUNT (objfile) = stabsize / DBX_SYMBOL_SIZE (objfile);
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DBX_SYMTAB_OFFSET (objfile) = stabsects->section->filepos;
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}
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else
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{
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struct stab_section_list *stabsect;
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DBX_SYMCOUNT (objfile) = 0;
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for (stabsect = stabsects; stabsect != NULL; stabsect = stabsect->next)
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{
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stabsize = bfd_section_size (sym_bfd, stabsect->section);
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DBX_SYMCOUNT (objfile) += stabsize / DBX_SYMBOL_SIZE (objfile);
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}
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DBX_SYMTAB_OFFSET (objfile) = stabsects->section->filepos;
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symbuf_sections = stabsects->next;
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symbuf_left = bfd_section_size (sym_bfd, stabsects->section);
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symbuf_read = 0;
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}
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dbx_symfile_read (objfile, section_offsets, 0);
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}
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@ -2293,14 +2354,17 @@ elfstab_build_psymtabs (objfile, section_offsets, mainline,
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bfd *sym_bfd = objfile->obfd;
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char *name = bfd_get_filename (sym_bfd);
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struct dbx_symfile_info *info;
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asection *text_sect;
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/* There is already a dbx_symfile_info allocated by our caller.
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It might even contain some info from the ELF symtab to help us. */
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info = (struct dbx_symfile_info *) objfile->sym_stab_info;
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DBX_TEXT_SECT (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
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if (!DBX_TEXT_SECT (objfile))
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text_sect = bfd_get_section_by_name (sym_bfd, ".text");
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if (!text_sect)
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error ("Can't find .text section in symbol file");
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DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
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DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
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#define ELF_STABS_SYMBOL_SIZE 12 /* XXX FIXME XXX */
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DBX_SYMBOL_SIZE (objfile) = ELF_STABS_SYMBOL_SIZE;
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@ -2368,6 +2432,7 @@ stabsect_build_psymtabs (objfile, section_offsets, mainline, stab_name,
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char *name = bfd_get_filename (sym_bfd);
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asection *stabsect;
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asection *stabstrsect;
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asection *text_sect;
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stabsect = bfd_get_section_by_name (sym_bfd, stab_name);
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stabstrsect = bfd_get_section_by_name (sym_bfd, stabstr_name);
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@ -2382,9 +2447,11 @@ stabsect_build_psymtabs (objfile, section_offsets, mainline, stab_name,
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objfile->sym_stab_info = (PTR) xmalloc (sizeof (struct dbx_symfile_info));
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memset (DBX_SYMFILE_INFO (objfile), 0, sizeof (struct dbx_symfile_info));
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DBX_TEXT_SECT (objfile) = bfd_get_section_by_name (sym_bfd, text_name);
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if (!DBX_TEXT_SECT (objfile))
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text_sect = bfd_get_section_by_name (sym_bfd, text_name);
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if (!text_sect)
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error ("Can't find %s section in symbol file", text_name);
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DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
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DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
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DBX_SYMBOL_SIZE (objfile) = sizeof (struct external_nlist);
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DBX_SYMCOUNT (objfile) = bfd_section_size (sym_bfd, stabsect)
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