diff options
Diffstat (limited to 'bfd/vms-gsd.c')
| -rw-r--r-- | bfd/vms-gsd.c | 1082 |
1 files changed, 0 insertions, 1082 deletions
diff --git a/bfd/vms-gsd.c b/bfd/vms-gsd.c deleted file mode 100644 index d0ffd78..0000000 --- a/bfd/vms-gsd.c +++ /dev/null @@ -1,1082 +0,0 @@ -/* vms-gsd.c -- BFD back-end for VAX (openVMS/VAX) and - EVAX (openVMS/Alpha) files. - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, - 2007, 2009 Free Software Foundation, Inc. - - GSD record handling functions - EGSD record handling functions - - Go and read the openVMS linker manual (esp. appendix B) - if you don't know what's going on here :-) - - Written by Klaus K"ampf (kkaempf@rmi.de) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#include "sysdep.h" -#include "bfd.h" -#include "bfdlink.h" -#include "libbfd.h" - -#include "vms.h" - -/* Typical sections for vax object files. */ - -#define VAX_CODE_NAME "$CODE" -#define VAX_DATA_NAME "$DATA" -#define VAX_ADDRESS_DATA_NAME "$ADDRESS_DATA" - -/* Typical sections for evax object files. */ - -#define EVAX_ABS_NAME "$ABS$" -#define EVAX_CODE_NAME "$CODE$" -#define EVAX_LINK_NAME "$LINK$" -#define EVAX_DATA_NAME "$DATA$" -#define EVAX_BSS_NAME "$BSS$" -#define EVAX_READONLYADDR_NAME "$READONLY_ADDR$" -#define EVAX_READONLY_NAME "$READONLY$" -#define EVAX_LITERAL_NAME "$LITERAL$" -#define EVAX_LITERALS_NAME "$LITERALS" -#define EVAX_COMMON_NAME "$COMMON$" -#define EVAX_LOCAL_NAME "$LOCAL$" - -struct sec_flags_struct -{ - char *name; /* Name of section. */ - int vflags_always; - flagword flags_always; /* Flags we set always. */ - int vflags_hassize; - flagword flags_hassize; /* Flags we set if the section has a size > 0. */ -}; - -/* These flags are deccrtl/vaxcrtl (openVMS 6.2 VAX) compatible. */ - -static struct sec_flags_struct vax_section_flags[] = - { - { VAX_CODE_NAME, - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD), - (SEC_CODE), - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_SHR | GPS_S_M_EXE | GPS_S_M_RD), - (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { VAX_DATA_NAME, - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT), - (SEC_DATA), - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD | GPS_S_M_WRT), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { VAX_ADDRESS_DATA_NAME, - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD), - (SEC_DATA | SEC_READONLY), - (GPS_S_M_PIC | GPS_S_M_REL | GPS_S_M_RD), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { NULL, - (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT), - (SEC_DATA), - (GPS_S_M_PIC | GPS_S_M_OVR | GPS_S_M_REL | GPS_S_M_GBL | GPS_S_M_RD | GPS_S_M_WRT), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) } - }; - -/* These flags are deccrtl/vaxcrtl (openVMS 6.2 Alpha) compatible. */ - -static struct sec_flags_struct evax_section_flags[] = - { - { EVAX_ABS_NAME, - (EGPS_S_V_SHR), - (SEC_DATA), - (EGPS_S_V_SHR), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { EVAX_CODE_NAME, - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE), - (SEC_CODE), - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_EXE), - (SEC_IN_MEMORY | SEC_CODE | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { EVAX_LITERAL_NAME, - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD), - (SEC_DATA | SEC_READONLY), - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { EVAX_LINK_NAME, - (EGPS_S_V_REL | EGPS_S_V_RD), - (SEC_DATA | SEC_READONLY), - (EGPS_S_V_REL | EGPS_S_V_RD), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { EVAX_DATA_NAME, - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), - (SEC_DATA), - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { EVAX_BSS_NAME, - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), - (SEC_NO_FLAGS), - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT | EGPS_S_V_NOMOD), - (SEC_IN_MEMORY | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { EVAX_READONLYADDR_NAME, - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD), - (SEC_DATA | SEC_READONLY), - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_RD), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { EVAX_READONLY_NAME, - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD | EGPS_S_V_NOMOD), - (SEC_DATA | SEC_READONLY), - (EGPS_S_V_PIC | EGPS_S_V_REL | EGPS_S_V_SHR | EGPS_S_V_RD), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { EVAX_LOCAL_NAME, - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), - (SEC_DATA), - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) }, - { EVAX_LITERALS_NAME, - (EGPS_S_V_PIC | EGPS_S_V_OVR), - (SEC_DATA | SEC_READONLY), - (EGPS_S_V_PIC | EGPS_S_V_OVR), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_READONLY | SEC_LOAD) }, - { NULL, - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), - (SEC_DATA), - (EGPS_S_V_REL | EGPS_S_V_RD | EGPS_S_V_WRT), - (SEC_IN_MEMORY | SEC_DATA | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD) } - }; - -/* Retrieve bfd section flags by name and size. */ - -static flagword -vms_secflag_by_name (bfd *abfd, - struct sec_flags_struct *section_flags, - char *name, - int hassize) -{ - int i = 0; - - while (section_flags[i].name != NULL) - { - if ((PRIV (is_vax)? - strcasecmp (name, section_flags[i].name): - strcmp (name, section_flags[i].name)) == 0) - { - if (hassize) - return section_flags[i].flags_hassize; - else - return section_flags[i].flags_always; - } - i++; - } - if (hassize) - return section_flags[i].flags_hassize; - return section_flags[i].flags_always; -} - -/* Retrieve vms section flags by name and size. */ - -static flagword -vms_esecflag_by_name (struct sec_flags_struct *section_flags, - char *name, - int hassize) -{ - int i = 0; - - while (section_flags[i].name != NULL) - { - if (strcmp (name, section_flags[i].name) == 0) - { - if (hassize) - return section_flags[i].vflags_hassize; - else - return section_flags[i].vflags_always; - } - i++; - } - if (hassize) - return section_flags[i].vflags_hassize; - return section_flags[i].vflags_always; -} - -#if VMS_DEBUG - -struct flagdescstruct { const char *name; flagword value; }; - -static const struct flagdescstruct gpsflagdesc[] = -{ - { "PIC", GPS_S_M_PIC }, - { "LIB", GPS_S_M_LIB }, - { "OVR", GPS_S_M_OVR }, - { "REL", GPS_S_M_REL }, - { "GBL", GPS_S_M_GBL }, - { "SHR", GPS_S_M_SHR }, - { "EXE", GPS_S_M_EXE }, - { "RD", GPS_S_M_RD }, - { "WRT", GPS_S_M_WRT }, - { "VEC", GPS_S_M_VEC }, - { "NOMOD", EGPS_S_V_NOMOD }, - { "COM", EGPS_S_V_COM }, - { NULL, 0 } -}; - -static const struct flagdescstruct gsyflagdesc[] = -{ - { "WEAK", GSY_S_M_WEAK }, - { "DEF", GSY_S_M_DEF }, - { "UNI", GSY_S_M_UNI }, - { "REL", GSY_S_M_REL }, - { "COMM", EGSY_S_V_COMM }, - { "VECEP", EGSY_S_V_VECEP }, - { "NORM", EGSY_S_V_NORM }, - { NULL, 0 } -}; - -static char *flag2str (struct flagdescstruct *, flagword); - -/* Convert flag to printable string. */ - -static char * -flag2str (struct flagdescstruct * flagdesc, flagword flags) -{ - static char res[64]; - int next = 0; - - res[0] = 0; - while (flagdesc->name != NULL) - { - if ((flags & flagdesc->value) != 0) - { - if (next) - strcat (res, ","); - else - next = 1; - strcat (res, flagdesc->name); - } - flagdesc++; - } - return res; -} -#endif - -/* Input routines. */ - -static int register_universal_symbol (bfd *abfd, asymbol *symbol, - int vms_flags); - -/* Process GSD/EGSD record - return 0 on success, -1 on error. */ - -int -_bfd_vms_slurp_gsd (bfd * abfd, int objtype) -{ - int gsd_type, gsd_size; - asection *section; - unsigned char *vms_rec; - flagword new_flags, old_flags; - char *name; - asymbol *symbol; - vms_symbol_entry *entry; - unsigned long base_addr; - unsigned long align_addr; - static unsigned int psect_idx = 0; - -#if VMS_DEBUG - vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype); -#endif - - switch (objtype) - { - case EOBJ_S_C_EGSD: - PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */ - PRIV (rec_size) -= 8; - break; - case OBJ_S_C_GSD: - PRIV (vms_rec) += 1; - PRIV (rec_size) -= 1; - break; - default: - return -1; - } - - /* Calculate base address for each section. */ - base_addr = 0L; - - abfd->symcount = 0; - - while (PRIV (rec_size) > 0) - { - vms_rec = PRIV (vms_rec); - - if (objtype == OBJ_S_C_GSD) - gsd_type = vms_rec[0]; - else - { - _bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size); - gsd_type += EVAX_OFFSET; - } - -#if VMS_DEBUG - vms_debug (3, "gsd_type %d\n", gsd_type); -#endif - - switch (gsd_type) - { - case GSD_S_C_PSC: - { - /* Program section definition. */ - asection *old_section = 0; - -#if VMS_DEBUG - vms_debug (4, "GSD_S_C_PSC\n"); -#endif - /* If this section isn't a bfd section. */ - if (PRIV (is_vax) && (psect_idx < (abfd->section_count - 1))) - { - /* Check for temporary section from TIR record. */ - if (psect_idx < PRIV (section_count)) - old_section = PRIV (sections)[psect_idx]; - else - old_section = 0; - } - - name = _bfd_vms_save_counted_string (vms_rec + 8); - section = bfd_make_section (abfd, name); - if (!section) - { - (*_bfd_error_handler) (_("bfd_make_section (%s) failed"), - name); - return -1; - } - old_flags = bfd_getl16 (vms_rec + 2); - section->size = bfd_getl32 (vms_rec + 4); /* allocation */ - new_flags = vms_secflag_by_name (abfd, vax_section_flags, name, - section->size > 0); - if (old_flags & EGPS_S_V_REL) - new_flags |= SEC_RELOC; - if (old_flags & GPS_S_M_OVR) - new_flags |= SEC_IS_COMMON; - if (!bfd_set_section_flags (abfd, section, new_flags)) - { - (*_bfd_error_handler) - (_("bfd_set_section_flags (%s, %x) failed"), - name, new_flags); - return -1; - } - section->alignment_power = vms_rec[1]; - align_addr = (1 << section->alignment_power); - if ((base_addr % align_addr) != 0) - base_addr += (align_addr - (base_addr % align_addr)); - section->vma = (bfd_vma)base_addr; - base_addr += section->size; - - /* Global section is common symbol. */ - if (old_flags & GPS_S_M_GBL) - { - entry = _bfd_vms_enter_symbol (abfd, name); - if (entry == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - symbol = entry->symbol; - - symbol->value = 0; - symbol->section = section; - symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON); - } - - /* Copy saved contents if old_section set. */ - if (old_section != 0) - { - section->contents = old_section->contents; - if (section->size < old_section->size) - { - (*_bfd_error_handler) - (_("Size mismatch section %s=%lx, %s=%lx"), - old_section->name, - (unsigned long) old_section->size, - section->name, - (unsigned long) section->size); - return -1; - } - else if (section->size > old_section->size) - { - section->contents = bfd_realloc (old_section->contents, - section->size); - if (section->contents == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - } - } - else - { - section->contents = bfd_zmalloc (section->size); - if (section->contents == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - } -#if VMS_DEBUG - vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ", - section->index, name, old_flags, flag2str (gpsflagdesc, old_flags)); - vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n", - section->size, section->vma, section->contents); -#endif - - gsd_size = vms_rec[8] + 9; - - psect_idx++; - } - break; - - case GSD_S_C_EPM: - case GSD_S_C_EPMW: -#if VMS_DEBUG - vms_debug (4, "gsd epm\n"); -#endif - /* Fall through. */ - case GSD_S_C_SYM: - case GSD_S_C_SYMW: - { - int name_offset = 0, value_offset = 0; - - /* Symbol specification (definition or reference). */ -#if VMS_DEBUG - vms_debug (4, "GSD_S_C_SYM(W)\n"); -#endif - old_flags = bfd_getl16 (vms_rec + 2); - new_flags = BSF_NO_FLAGS; - - if (old_flags & GSY_S_M_WEAK) - new_flags |= BSF_WEAK; - - switch (gsd_type) - { - case GSD_S_C_EPM: - name_offset = 11; - value_offset = 5; - new_flags |= BSF_FUNCTION; - break; - case GSD_S_C_EPMW: - name_offset = 12; - value_offset = 6; - new_flags |= BSF_FUNCTION; - break; - case GSD_S_C_SYM: - if (old_flags & GSY_S_M_DEF) /* Symbol definition. */ - name_offset = 9; - else - name_offset = 4; - value_offset = 5; - break; - case GSD_S_C_SYMW: - if (old_flags & GSY_S_M_DEF) /* Symbol definition. */ - name_offset = 10; - else - name_offset = 5; - value_offset = 6; - break; - } - - /* Save symbol in vms_symbol_table. */ - entry = _bfd_vms_enter_symbol - (abfd, _bfd_vms_save_counted_string (vms_rec + name_offset)); - if (entry == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - symbol = entry->symbol; - - if (old_flags & GSY_S_M_DEF) - { - /* Symbol definition. */ - int psect; - - symbol->value = bfd_getl32 (vms_rec + value_offset); - if ((gsd_type == GSD_S_C_SYMW) - || (gsd_type == GSD_S_C_EPMW)) - psect = bfd_getl16 (vms_rec + value_offset - 2); - else - psect = vms_rec[value_offset-1]; - - symbol->section = (asection *)(unsigned long)psect; -#if VMS_DEBUG - vms_debug (4, "gsd sym def #%d (%s, %ld, %04x=%s)\n", abfd->symcount, - symbol->name, (long)symbol->section, old_flags, flag2str(gsyflagdesc, old_flags)); -#endif - } - else - { - /* Symbol reference. */ -#if VMS_DEBUG - vms_debug (4, "gsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount, - symbol->name, old_flags, flag2str (gsyflagdesc, old_flags)); -#endif - symbol->section = (asection *)(unsigned long)-1; - } - - gsd_size = vms_rec[name_offset] + name_offset + 1; - symbol->flags = new_flags; - } - - break; - - case GSD_S_C_PRO: - case GSD_S_C_PROW: -#if VMS_DEBUG - vms_debug (4, "gsd pro\n"); -#endif - break; - case GSD_S_C_IDC: -#if VMS_DEBUG - vms_debug (4, "gsd idc\n"); -#endif - break; - case GSD_S_C_ENV: -#if VMS_DEBUG - vms_debug (4, "gsd env\n"); -#endif - break; - case GSD_S_C_LSY: -#if VMS_DEBUG - vms_debug (4, "gsd lsy\n"); -#endif - break; - case GSD_S_C_LEPM: -#if VMS_DEBUG - vms_debug (4, "gsd lepm\n"); -#endif - break; - case GSD_S_C_LPRO: -#if VMS_DEBUG - vms_debug (4, "gsd lpro\n"); -#endif - break; - case GSD_S_C_SPSC: -#if VMS_DEBUG - vms_debug (4, "gsd spsc\n"); -#endif - break; - case GSD_S_C_SYMV: -#if VMS_DEBUG - vms_debug (4, "gsd symv\n"); -#endif - break; - case GSD_S_C_EPMV: -#if VMS_DEBUG - vms_debug (4, "gsd epmv\n"); -#endif - break; - case GSD_S_C_PROV: -#if VMS_DEBUG - vms_debug (4, "gsd prov\n"); -#endif - break; - - case EGSD_S_C_PSC + EVAX_OFFSET: - { - /* Program section definition. */ - name = _bfd_vms_save_counted_string (vms_rec + EGPS_S_B_NAMLNG); - section = bfd_make_section (abfd, name); - if (!section) - return -1; - old_flags = bfd_getl16 (vms_rec + EGPS_S_W_FLAGS); - section->size = bfd_getl32 (vms_rec + EGPS_S_L_ALLOC); - new_flags = vms_secflag_by_name (abfd, evax_section_flags, name, - section->size > 0); - if (old_flags & EGPS_S_V_REL) - new_flags |= SEC_RELOC; - if (!bfd_set_section_flags (abfd, section, new_flags)) - return -1; - section->alignment_power = vms_rec[EGPS_S_B_ALIGN]; - align_addr = (1 << section->alignment_power); - if ((base_addr % align_addr) != 0) - base_addr += (align_addr - (base_addr % align_addr)); - section->vma = (bfd_vma)base_addr; - base_addr += section->size; - section->contents = bfd_zmalloc (section->size); - if (section->contents == NULL) - return -1; - section->filepos = (unsigned int)-1; -#if VMS_DEBUG - vms_debug (4, "EGSD P-section %d (%s, flags %04x=%s) ", - section->index, name, old_flags, flag2str(gpsflagdesc, old_flags)); - vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n", - section->size, section->vma, section->contents); -#endif - } - break; - - case EGSD_S_C_SYM + EVAX_OFFSET: - { - /* Global symbol specification (definition or reference). */ - symbol = bfd_make_empty_symbol (abfd); - if (symbol == 0) - return -1; - - old_flags = bfd_getl16 (vms_rec + EGSY_S_W_FLAGS); - new_flags = BSF_NO_FLAGS; - - if (old_flags & EGSY_S_V_WEAK) - new_flags |= BSF_WEAK; - - if (old_flags & EGSY_S_V_DEF) - { - /* Symbol definition. */ - if (old_flags & EGSY_S_V_NORM) - new_flags |= BSF_FUNCTION; - symbol->name = - _bfd_vms_save_counted_string (vms_rec + ESDF_S_B_NAMLNG); - symbol->value = bfd_getl64 (vms_rec + ESDF_S_L_VALUE); - symbol->section = - (asection *)(unsigned long) bfd_getl32 (vms_rec + ESDF_S_L_PSINDX); -#if VMS_DEBUG - vms_debug (4, "EGSD sym def #%d (%s, %ld, %04x=%s)\n", - abfd->symcount, symbol->name, (long)symbol->section, - old_flags, flag2str (gsyflagdesc, old_flags)); -#endif - } - else - { - /* Symbol reference. */ - symbol->name = - _bfd_vms_save_counted_string (vms_rec + ESRF_S_B_NAMLNG); -#if VMS_DEBUG - vms_debug (4, "EGSD sym ref #%d (%s, %04x=%s)\n", - abfd->symcount, symbol->name, old_flags, - flag2str (gsyflagdesc, old_flags)); -#endif - symbol->section = (asection *)(unsigned long)-1; - } - - symbol->flags = new_flags; - - /* Register symbol in VMS symbol table. */ - entry = (vms_symbol_entry *) bfd_hash_lookup - (PRIV (vms_symbol_table), symbol->name, TRUE, FALSE); - - if (entry == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - - if (entry->symbol != NULL) - { - /* FIXME ?, DEC C generates this. */ -#if VMS_DEBUG - vms_debug (4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name); -#endif - } - else - { - entry->symbol = symbol; - PRIV (gsd_sym_count)++; - abfd->symcount++; - } - } - break; - - case EGSD_S_C_SYMG + EVAX_OFFSET: - { - /* Universal symbol specification (definition). */ - symbol = bfd_make_empty_symbol (abfd); - if (symbol == 0) - return -1; - - old_flags = bfd_getl16 (vms_rec + EGST_S_W_FLAGS); - new_flags = BSF_NO_FLAGS; - - if (old_flags & EGSY_S_V_WEAK) - new_flags |= BSF_WEAK; - - if (old_flags & EGSY_S_V_DEF) /* symbol definition */ - { - if (old_flags & EGSY_S_V_NORM) - new_flags |= BSF_FUNCTION; - - symbol->name = - _bfd_vms_save_counted_string (vms_rec + EGST_S_B_NAMLNG); - - /* For BSF_FUNCTION symbols, the entry point is in LP_1 - and the descriptor in LP_2. For other symbols, the - unique value is in LP_2. */ - symbol->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_2); - - /* Adding this offset is necessary in order for GDB to - read the DWARF-2 debug info from shared libraries. */ - if (abfd->flags & DYNAMIC - && strstr (symbol->name, "$DWARF2.DEBUG") != 0) - symbol->value += PRIV (symvva); - } - else /* symbol reference */ - (*_bfd_error_handler) ("Invalid EGST reference"); - - symbol->flags = new_flags; - - if (register_universal_symbol (abfd, symbol, old_flags) < 0) - return -1; - - /* Make a second symbol for the entry point. */ - if (symbol->flags & BSF_FUNCTION) - { - asymbol *en_sym; - - name = bfd_alloc (abfd, strlen (symbol->name) + 5); - - en_sym = bfd_make_empty_symbol (abfd); - if (en_sym == 0) - return -1; - - strcpy (name, symbol->name); - strcat (name, "..en"); - - en_sym->name = name; - en_sym->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_1); - - if (register_universal_symbol (abfd, en_sym, old_flags) < 0) - return -1; - } - } - break; - - case EGSD_S_C_IDC + EVAX_OFFSET: - break; - - default: - (*_bfd_error_handler) (_("Unknown GSD/EGSD subtype %d"), gsd_type); - bfd_set_error (bfd_error_bad_value); - return -1; - } - - PRIV (rec_size) -= gsd_size; - PRIV (vms_rec) += gsd_size; - } - - if (abfd->symcount > 0) - abfd->flags |= HAS_SYMS; - - return 0; -} - -/* Register a universal symbol in the VMS symbol table. */ - -static int -register_universal_symbol (bfd *abfd, asymbol *symbol, int vms_flags) -{ - bfd_vma sbase = 0; - asection *s, *sec = NULL; - vms_symbol_entry *entry; - - /* A universal symbol is by definition global... */ - symbol->flags |= BSF_GLOBAL; - - /* ...and dynamic in shared libraries. */ - if (abfd->flags & DYNAMIC) - symbol->flags |= BSF_DYNAMIC; - - /* Find containing section. */ - for (s = abfd->sections; s; s = s->next) - { - if (symbol->value >= s->vma - && s->vma > sbase - && !(s->flags & SEC_COFF_SHARED_LIBRARY) - && (s->size > 0 || !(vms_flags & EGSY_S_V_REL))) - { - sbase = s->vma; - sec = s; - } - } - - symbol->value -= sbase; - symbol->section = sec; - -#if VMS_DEBUG - vms_debug (4, "EGST sym def #%d (%s, 0x%llx => 0x%llx, %04x=%s)\n", - abfd->symcount, symbol->name, symbol->value + sbase, - symbol->value, vms_flags, - flag2str(gsyflagdesc, vms_flags)); -#endif - - entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table), - symbol->name, - TRUE, FALSE); - - if (entry == NULL) - { - bfd_set_error (bfd_error_no_memory); - return -1; - } - - if (entry->symbol) /* FIXME: DEC C generates this */ - { -#if VMS_DEBUG - vms_debug (4, "EGSD_S_C_SYMG: duplicate \"%s\"\n", symbol->name); -#endif - } - else - { - entry->symbol = symbol; - PRIV (gsd_sym_count)++; - abfd->symcount++; - } - - return 0; -} - -/* Set section VMS flags. */ - -void -bfd_vms_set_section_flags (bfd *abfd ATTRIBUTE_UNUSED, - asection *sec, flagword flags) -{ - vms_section_data (sec)->vflags = flags; -} - -/* Write section and symbol directory of bfd abfd. */ - -int -_bfd_vms_write_gsd (bfd *abfd, int objtype ATTRIBUTE_UNUSED) -{ - asection *section; - asymbol *symbol; - unsigned int symnum; - int last_index = -1; - char dummy_name[10]; - char *sname; - flagword new_flags, old_flags; - int abs_section_index = 0; - -#if VMS_DEBUG - vms_debug (2, "vms_write_gsd (%p, %d)\n", abfd, objtype); -#endif - - /* Output sections. */ - section = abfd->sections; -#if VMS_DEBUG - vms_debug (3, "%d sections found\n", abfd->section_count); -#endif - - /* Egsd is quadword aligned. */ - _bfd_vms_output_alignment (abfd, 8); - - _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); - _bfd_vms_output_long (abfd, 0); - /* Prepare output for subrecords. */ - _bfd_vms_output_push (abfd); - - while (section != 0) - { -#if VMS_DEBUG - vms_debug (3, "Section #%d %s, %d bytes\n", section->index, section->name, (int)section->size); -#endif - - /* Don't write out the VMS debug info section since it is in the - ETBT and EDBG sections in etir. */ - if (!strcmp (section->name, ".vmsdebug")) - goto done; - - /* 13 bytes egsd, max 31 chars name -> should be 44 bytes. */ - if (_bfd_vms_output_check (abfd, 64) < 0) - { - _bfd_vms_output_pop (abfd); - _bfd_vms_output_end (abfd); - _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); - _bfd_vms_output_long (abfd, 0); - /* Prepare output for subrecords. */ - _bfd_vms_output_push (abfd); - } - - /* Create dummy sections to keep consecutive indices. */ - while (section->index - last_index > 1) - { -#if VMS_DEBUG - vms_debug (3, "index %d, last %d\n", section->index, last_index); -#endif - _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1); - _bfd_vms_output_short (abfd, 0); - _bfd_vms_output_short (abfd, 0); - _bfd_vms_output_long (abfd, 0); - sprintf (dummy_name, ".DUMMY%02d", last_index); - _bfd_vms_output_counted (abfd, dummy_name); - _bfd_vms_output_flush (abfd); - last_index++; - } - - /* Don't know if this is necessary for the linker but for now it keeps - vms_slurp_gsd happy */ - sname = (char *)section->name; - if (*sname == '.') - { - sname++; - if ((*sname == 't') && (strcmp (sname, "text") == 0)) - sname = PRIV (is_vax)?VAX_CODE_NAME:EVAX_CODE_NAME; - else if ((*sname == 'd') && (strcmp (sname, "data") == 0)) - sname = PRIV (is_vax)?VAX_DATA_NAME:EVAX_DATA_NAME; - else if ((*sname == 'b') && (strcmp (sname, "bss") == 0)) - sname = EVAX_BSS_NAME; - else if ((*sname == 'l') && (strcmp (sname, "link") == 0)) - sname = EVAX_LINK_NAME; - else if ((*sname == 'r') && (strcmp (sname, "rdata") == 0)) - sname = EVAX_READONLY_NAME; - else if ((*sname == 'l') && (strcmp (sname, "literal") == 0)) - sname = EVAX_LITERAL_NAME; - else if ((*sname == 'l') && (strcmp (sname, "literals") == 0)) - { - sname = EVAX_LITERALS_NAME; - abs_section_index = section->index; - } - else if ((*sname == 'c') && (strcmp (sname, "comm") == 0)) - sname = EVAX_COMMON_NAME; - else if ((*sname == 'l') && (strcmp (sname, "lcomm") == 0)) - sname = EVAX_LOCAL_NAME; - } - else - sname = _bfd_vms_length_hash_symbol (abfd, sname, EOBJ_S_C_SECSIZ); - - _bfd_vms_output_begin (abfd, EGSD_S_C_PSC, -1); - _bfd_vms_output_short (abfd, section->alignment_power & 0xff); - - if (bfd_is_com_section (section)) - new_flags = (EGPS_S_V_OVR | EGPS_S_V_REL | EGPS_S_V_GBL | EGPS_S_V_RD - | EGPS_S_V_WRT | EGPS_S_V_NOMOD | EGPS_S_V_COM); - else - new_flags = vms_esecflag_by_name (evax_section_flags, sname, - section->size > 0); - - /* Modify them as directed. */ - if (section->flags & SEC_READONLY) - new_flags &= ~EGPS_S_V_WRT; - - new_flags |= vms_section_data (section)->vflags & 0xffff; - new_flags &= - ~((vms_section_data (section)->vflags >> EGPS_S_V_NO_SHIFT) & 0xffff); - -#if VMS_DEBUG - vms_debug (3, "sec flags %x\n", section->flags); - vms_debug (3, "new_flags %x, _raw_size %d\n", new_flags, section->size); -#endif - - _bfd_vms_output_short (abfd, new_flags); - _bfd_vms_output_long (abfd, (unsigned long) section->size); - _bfd_vms_output_counted (abfd, sname); - _bfd_vms_output_flush (abfd); - - last_index = section->index; -done: - section = section->next; - } - - /* Output symbols. */ -#if VMS_DEBUG - vms_debug (3, "%d symbols found\n", abfd->symcount); -#endif - - bfd_set_start_address (abfd, (bfd_vma) -1); - - for (symnum = 0; symnum < abfd->symcount; symnum++) - { - char *hash; - - symbol = abfd->outsymbols[symnum]; - if (*(symbol->name) == '_') - { - if (strcmp (symbol->name, "__main") == 0) - bfd_set_start_address (abfd, (bfd_vma)symbol->value); - } - old_flags = symbol->flags; - - if (old_flags & BSF_FILE) - continue; - - if ((old_flags & BSF_GLOBAL) == 0 /* Not xdef... */ - && !bfd_is_und_section (symbol->section) /* and not xref... */ - && !((old_flags & BSF_SECTION_SYM) != 0 /* and not LIB$INITIALIZE. */ - && strcmp (symbol->section->name, "LIB$INITIALIZE") == 0)) - continue; - - /* 13 bytes egsd, max 64 chars name -> should be 77 bytes. */ - if (_bfd_vms_output_check (abfd, 80) < 0) - { - _bfd_vms_output_pop (abfd); - _bfd_vms_output_end (abfd); - _bfd_vms_output_begin (abfd, EOBJ_S_C_EGSD, -1); - _bfd_vms_output_long (abfd, 0); - /* Prepare output for subrecords. */ - _bfd_vms_output_push (abfd); - } - - _bfd_vms_output_begin (abfd, EGSD_S_C_SYM, -1); - - /* Data type, alignment. */ - _bfd_vms_output_short (abfd, 0); - - new_flags = 0; - - if (old_flags & BSF_WEAK) - new_flags |= EGSY_S_V_WEAK; - if (bfd_is_com_section (symbol->section)) /* .comm */ - new_flags |= (EGSY_S_V_WEAK | EGSY_S_V_COMM); - - if (old_flags & BSF_FUNCTION) - { - new_flags |= EGSY_S_V_NORM; - new_flags |= EGSY_S_V_REL; - } - if (old_flags & BSF_GLOBAL) - { - new_flags |= EGSY_S_V_DEF; - if (!bfd_is_abs_section (symbol->section)) - new_flags |= EGSY_S_V_REL; - } - _bfd_vms_output_short (abfd, new_flags); - - if (old_flags & BSF_GLOBAL) - { - /* Symbol definition. */ - uquad code_address = 0; - unsigned long ca_psindx = 0; - unsigned long psindx; - - if ((old_flags & BSF_FUNCTION) && symbol->udata.p != NULL) - { - asymbol *sym; - - if (bfd_get_flavour (abfd) == bfd_target_evax_flavour) - sym = ((struct evax_private_udata_struct *)symbol->udata.p)->enbsym; - else - sym = (asymbol *)symbol->udata.p; - code_address = sym->value; - ca_psindx = sym->section->index; - } - if (bfd_is_abs_section (symbol->section)) - psindx = abs_section_index; - else - psindx = symbol->section->index; - - _bfd_vms_output_quad (abfd, symbol->value); - _bfd_vms_output_quad (abfd, code_address); - _bfd_vms_output_long (abfd, ca_psindx); - _bfd_vms_output_long (abfd, psindx); - } - hash = _bfd_vms_length_hash_symbol (abfd, symbol->name, EOBJ_S_C_SYMSIZ); - _bfd_vms_output_counted (abfd, hash); - - _bfd_vms_output_flush (abfd); - - } - - _bfd_vms_output_alignment (abfd, 8); - _bfd_vms_output_pop (abfd); - _bfd_vms_output_end (abfd); - - return 0; -} |