2238 lines
54 KiB
C
2238 lines
54 KiB
C
/* vms-tir.c -- BFD back-end for VAX (openVMS/VAX) and
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EVAX (openVMS/Alpha) files.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2007
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Free Software Foundation, Inc.
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TIR record handling functions
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ETIR record handling functions
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go and read the openVMS linker manual (esp. appendix B)
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if you don't know what's going on here :-)
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Written by Klaus K"ampf (kkaempf@rmi.de)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* The following type abbreviations are used:
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cs counted string (ascii string with length byte)
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by byte (1 byte)
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sh short (2 byte, 16 bit)
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lw longword (4 byte, 32 bit)
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qw quadword (8 byte, 64 bit)
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da data stream */
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "vms.h"
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static int
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check_section (bfd * abfd, int size)
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{
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bfd_size_type offset;
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offset = PRIV (image_ptr) - PRIV (image_section)->contents;
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if (offset + size > PRIV (image_section)->size)
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{
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PRIV (image_section)->contents
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= bfd_realloc (PRIV (image_section)->contents, offset + size);
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if (PRIV (image_section)->contents == 0)
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{
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(*_bfd_error_handler) (_("No Mem !"));
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return -1;
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}
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PRIV (image_section)->size = offset + size;
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PRIV (image_ptr) = PRIV (image_section)->contents + offset;
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}
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return 0;
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}
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/* Routines to fill sections contents during tir/etir read. */
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/* Initialize image buffer pointer to be filled. */
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static void
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image_set_ptr (bfd * abfd, int psect, uquad offset)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (4, "image_set_ptr (%d=%s, %d)\n",
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psect, PRIV (sections)[psect]->name, offset);
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#endif
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PRIV (image_ptr) = PRIV (sections)[psect]->contents + offset;
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PRIV (image_section) = PRIV (sections)[psect];
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}
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/* Increment image buffer pointer by offset. */
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static void
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image_inc_ptr (bfd * abfd, uquad offset)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (4, "image_inc_ptr (%d)\n", offset);
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#endif
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PRIV (image_ptr) += offset;
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}
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/* Dump multiple bytes to section image. */
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static void
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image_dump (bfd * abfd,
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unsigned char *ptr,
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int size,
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int offset ATTRIBUTE_UNUSED)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (8, "image_dump from (%p, %d) to (%p)\n", ptr, size,
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PRIV (image_ptr));
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_bfd_hexdump (9, ptr, size, offset);
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#endif
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if (PRIV (is_vax) && check_section (abfd, size))
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return;
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while (size-- > 0)
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*PRIV (image_ptr)++ = *ptr++;
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}
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/* Write byte to section image. */
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static void
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image_write_b (bfd * abfd, unsigned int value)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (6, "image_write_b (%02x)\n", (int) value);
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#endif
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if (PRIV (is_vax) && check_section (abfd, 1))
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return;
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*PRIV (image_ptr)++ = (value & 0xff);
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}
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/* Write 2-byte word to image. */
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static void
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image_write_w (bfd * abfd, unsigned int value)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (6, "image_write_w (%04x)\n", (int) value);
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#endif
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if (PRIV (is_vax) && check_section (abfd, 2))
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return;
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bfd_putl16 ((bfd_vma) value, PRIV (image_ptr));
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PRIV (image_ptr) += 2;
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}
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/* Write 4-byte long to image. */
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static void
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image_write_l (bfd * abfd, unsigned long value)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (6, "image_write_l (%08lx)\n", value);
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#endif
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if (PRIV (is_vax) && check_section (abfd, 4))
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return;
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bfd_putl32 ((bfd_vma) value, PRIV (image_ptr));
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PRIV (image_ptr) += 4;
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}
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/* Write 8-byte quad to image. */
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static void
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image_write_q (bfd * abfd, uquad value)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (6, "image_write_q (%016lx)\n", value);
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#endif
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if (PRIV (is_vax) && check_section (abfd, 8))
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return;
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bfd_putl64 (value, PRIV (image_ptr));
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PRIV (image_ptr) += 8;
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}
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static const char *
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cmd_name (int cmd)
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{
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switch (cmd)
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{
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case ETIR_S_C_STA_GBL: return "ETIR_S_C_STA_GBL";
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case ETIR_S_C_STA_PQ: return "ETIR_S_C_STA_PQ";
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case ETIR_S_C_STA_LI: return "ETIR_S_C_STA_LI";
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case ETIR_S_C_STA_MOD: return "ETIR_S_C_STA_MOD";
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case ETIR_S_C_STA_CKARG: return "ETIR_S_C_STA_CKARG";
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case ETIR_S_C_STO_B: return "ETIR_S_C_STO_B";
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case ETIR_S_C_STO_W: return "ETIR_S_C_STO_W";
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case ETIR_S_C_STO_GBL: return "ETIR_S_C_STO_GBL";
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case ETIR_S_C_STO_CA: return "ETIR_S_C_STO_CA";
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case ETIR_S_C_STO_RB: return "ETIR_S_C_STO_RB";
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case ETIR_S_C_STO_AB: return "ETIR_S_C_STO_AB";
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case ETIR_S_C_STO_GBL_LW: return "ETIR_S_C_STO_GBL_LW";
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case ETIR_S_C_STO_LP_PSB: return "ETIR_S_C_STO_LP_PSB";
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case ETIR_S_C_STO_HINT_GBL: return "ETIR_S_C_STO_HINT_GBL";
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case ETIR_S_C_STO_HINT_PS: return "ETIR_S_C_STO_HINT_PS";
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case ETIR_S_C_OPR_INSV: return "ETIR_S_C_OPR_INSV";
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case ETIR_S_C_OPR_USH: return "ETIR_S_C_OPR_USH";
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case ETIR_S_C_OPR_ROT: return "ETIR_S_C_OPR_ROT";
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case ETIR_S_C_OPR_REDEF: return "ETIR_S_C_OPR_REDEF";
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case ETIR_S_C_OPR_DFLIT: return "ETIR_S_C_OPR_DFLIT";
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case ETIR_S_C_STC_LP: return "ETIR_S_C_STC_LP";
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case ETIR_S_C_STC_GBL: return "ETIR_S_C_STC_GBL";
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case ETIR_S_C_STC_GCA: return "ETIR_S_C_STC_GCA";
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case ETIR_S_C_STC_PS: return "ETIR_S_C_STC_PS";
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case ETIR_S_C_STC_NBH_PS: return "ETIR_S_C_STC_NBH_PS";
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case ETIR_S_C_STC_NOP_GBL: return "ETIR_S_C_STC_NOP_GBL";
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case ETIR_S_C_STC_NOP_PS: return "ETIR_S_C_STC_NOP_PS";
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case ETIR_S_C_STC_BSR_GBL: return "ETIR_S_C_STC_BSR_GBL";
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case ETIR_S_C_STC_BSR_PS: return "ETIR_S_C_STC_BSR_PS";
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case ETIR_S_C_STC_LDA_GBL: return "ETIR_S_C_STC_LDA_GBL";
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case ETIR_S_C_STC_LDA_PS: return "ETIR_S_C_STC_LDA_PS";
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case ETIR_S_C_STC_BOH_GBL: return "ETIR_S_C_STC_BOH_GBL";
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case ETIR_S_C_STC_BOH_PS: return "ETIR_S_C_STC_BOH_PS";
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case ETIR_S_C_STC_NBH_GBL: return "ETIR_S_C_STC_NBH_GBL";
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default:
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/* These names have not yet been added to this switch statement. */
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abort ();
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}
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}
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#define HIGHBIT(op) ((op & 0x80000000L) == 0x80000000L)
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/* etir_sta
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vms stack commands
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handle sta_xxx commands in etir section
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ptr points to data area in record
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see table B-8 of the openVMS linker manual. */
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static bfd_boolean
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etir_sta (bfd * abfd, int cmd, unsigned char *ptr)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (5, "etir_sta %d/%x\n", cmd, cmd);
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_bfd_hexdump (8, ptr, 16, (int) ptr);
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#endif
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switch (cmd)
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{
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/* stack global
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arg: cs symbol name
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stack 32 bit value of symbol (high bits set to 0). */
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case ETIR_S_C_STA_GBL:
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{
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char *name;
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vms_symbol_entry *entry;
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name = _bfd_vms_save_counted_string (ptr);
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entry = (vms_symbol_entry *)
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bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE);
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if (entry == NULL)
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{
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#if VMS_DEBUG
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_bfd_vms_debug (3, "%s: no symbol \"%s\"\n",
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cmd_name (cmd), name);
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#endif
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_bfd_vms_push (abfd, (uquad) 0, -1);
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}
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else
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_bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1);
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}
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break;
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/* stack longword
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arg: lw value
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stack 32 bit value, sign extend to 64 bit. */
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case ETIR_S_C_STA_LW:
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_bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1);
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break;
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/* stack global
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arg: qw value
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stack 64 bit value of symbol. */
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case ETIR_S_C_STA_QW:
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_bfd_vms_push (abfd, (uquad) bfd_getl64 (ptr), -1);
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break;
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/* stack psect base plus quadword offset
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arg: lw section index
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qw signed quadword offset (low 32 bits)
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stack qw argument and section index
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(see ETIR_S_C_STO_OFF, ETIR_S_C_CTL_SETRB). */
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case ETIR_S_C_STA_PQ:
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{
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uquad dummy;
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unsigned int psect;
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psect = bfd_getl32 (ptr);
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if (psect >= PRIV (section_count))
|
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{
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(*_bfd_error_handler) (_("bad section index in %s"),
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cmd_name (cmd));
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bfd_set_error (bfd_error_bad_value);
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return FALSE;
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}
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dummy = bfd_getl64 (ptr + 4);
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_bfd_vms_push (abfd, dummy, (int) psect);
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}
|
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break;
|
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|
||
case ETIR_S_C_STA_LI:
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case ETIR_S_C_STA_MOD:
|
||
case ETIR_S_C_STA_CKARG:
|
||
(*_bfd_error_handler) (_("unsupported STA cmd %s"), cmd_name (cmd));
|
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return FALSE;
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break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved STA cmd %d"), cmd);
|
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return FALSE;
|
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break;
|
||
}
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "etir_sta true\n");
|
||
#endif
|
||
return TRUE;
|
||
}
|
||
|
||
/* etir_sto
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||
|
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vms store commands
|
||
|
||
handle sto_xxx commands in etir section
|
||
ptr points to data area in record
|
||
|
||
see table B-9 of the openVMS linker manual. */
|
||
|
||
static bfd_boolean
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etir_sto (bfd * abfd, int cmd, unsigned char *ptr)
|
||
{
|
||
uquad dummy;
|
||
int psect;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "etir_sto %d/%x\n", cmd, cmd);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
switch (cmd)
|
||
{
|
||
/* Store byte: pop stack, write byte
|
||
arg: -. */
|
||
case ETIR_S_C_STO_B:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
/* FIXME: check top bits. */
|
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image_write_b (abfd, (unsigned int) dummy & 0xff);
|
||
break;
|
||
|
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/* Store word: pop stack, write word
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arg: -. */
|
||
case ETIR_S_C_STO_W:
|
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dummy = _bfd_vms_pop (abfd, &psect);
|
||
/* FIXME: check top bits */
|
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image_write_w (abfd, (unsigned int) dummy & 0xffff);
|
||
break;
|
||
|
||
/* Store longword: pop stack, write longword
|
||
arg: -. */
|
||
case ETIR_S_C_STO_LW:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
dummy += (PRIV (sections)[psect])->vma;
|
||
/* FIXME: check top bits. */
|
||
image_write_l (abfd, (unsigned int) dummy & 0xffffffff);
|
||
break;
|
||
|
||
/* Store quadword: pop stack, write quadword
|
||
arg: -. */
|
||
case ETIR_S_C_STO_QW:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
dummy += (PRIV (sections)[psect])->vma;
|
||
/* FIXME: check top bits. */
|
||
image_write_q (abfd, dummy);
|
||
break;
|
||
|
||
/* Store immediate repeated: pop stack for repeat count
|
||
arg: lw byte count
|
||
da data. */
|
||
case ETIR_S_C_STO_IMMR:
|
||
{
|
||
int size;
|
||
|
||
size = bfd_getl32 (ptr);
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
while (dummy-- > 0)
|
||
image_dump (abfd, ptr+4, size, 0);
|
||
}
|
||
break;
|
||
|
||
/* Store global: write symbol value
|
||
arg: cs global symbol name. */
|
||
case ETIR_S_C_STO_GBL:
|
||
{
|
||
vms_symbol_entry *entry;
|
||
char *name;
|
||
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
||
name, FALSE, FALSE);
|
||
if (entry == NULL)
|
||
{
|
||
(*_bfd_error_handler) (_("%s: no symbol \"%s\""),
|
||
cmd_name (cmd), name);
|
||
return FALSE;
|
||
}
|
||
else
|
||
/* FIXME, reloc. */
|
||
image_write_q (abfd, (uquad) (entry->symbol->value));
|
||
}
|
||
break;
|
||
|
||
/* Store code address: write address of entry point
|
||
arg: cs global symbol name (procedure). */
|
||
case ETIR_S_C_STO_CA:
|
||
{
|
||
vms_symbol_entry *entry;
|
||
char *name;
|
||
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
||
name, FALSE, FALSE);
|
||
if (entry == NULL)
|
||
{
|
||
(*_bfd_error_handler) (_("%s: no symbol \"%s\""),
|
||
cmd_name (cmd), name);
|
||
return FALSE;
|
||
}
|
||
else
|
||
/* FIXME, reloc. */
|
||
image_write_q (abfd, (uquad) (entry->symbol->value));
|
||
}
|
||
break;
|
||
|
||
/* Store offset to psect: pop stack, add low 32 bits to base of psect
|
||
arg: none. */
|
||
case ETIR_S_C_STO_OFF:
|
||
{
|
||
uquad q;
|
||
int psect1;
|
||
|
||
q = _bfd_vms_pop (abfd, & psect1);
|
||
q += (PRIV (sections)[psect1])->vma;
|
||
image_write_q (abfd, q);
|
||
}
|
||
break;
|
||
|
||
/* Store immediate
|
||
arg: lw count of bytes
|
||
da data. */
|
||
case ETIR_S_C_STO_IMM:
|
||
{
|
||
int size;
|
||
|
||
size = bfd_getl32 (ptr);
|
||
image_dump (abfd, ptr+4, size, 0);
|
||
}
|
||
break;
|
||
|
||
/* This code is 'reserved to digital' according to the openVMS
|
||
linker manual, however it is generated by the DEC C compiler
|
||
and defined in the include file.
|
||
FIXME, since the following is just a guess
|
||
store global longword: store 32bit value of symbol
|
||
arg: cs symbol name. */
|
||
case ETIR_S_C_STO_GBL_LW:
|
||
{
|
||
vms_symbol_entry *entry;
|
||
char *name;
|
||
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
||
name, FALSE, FALSE);
|
||
if (entry == NULL)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (3, "%s: no symbol \"%s\"\n", cmd_name (cmd), name);
|
||
#endif
|
||
image_write_l (abfd, (unsigned long) 0); /* FIXME, reloc */
|
||
}
|
||
else
|
||
/* FIXME, reloc. */
|
||
image_write_l (abfd, (unsigned long) (entry->symbol->value));
|
||
}
|
||
break;
|
||
|
||
case ETIR_S_C_STO_RB:
|
||
case ETIR_S_C_STO_AB:
|
||
case ETIR_S_C_STO_LP_PSB:
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
case ETIR_S_C_STO_HINT_GBL:
|
||
case ETIR_S_C_STO_HINT_PS:
|
||
(*_bfd_error_handler) (_("%s: not implemented"), cmd_name (cmd));
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved STO cmd %d"), cmd);
|
||
break;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Stack operator commands
|
||
all 32 bit signed arithmetic
|
||
all word just like a stack calculator
|
||
arguments are popped from stack, results are pushed on stack
|
||
|
||
see table B-10 of the openVMS linker manual. */
|
||
|
||
static bfd_boolean
|
||
etir_opr (bfd * abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED)
|
||
{
|
||
long op1, op2;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "etir_opr %d/%x\n", cmd, cmd);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
switch (cmd)
|
||
{
|
||
case ETIR_S_C_OPR_NOP: /* No-op. */
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_ADD: /* Add. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 + op2), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_SUB: /* Subtract. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op2 - op1), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_MUL: /* Multiply. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 * op2), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_DIV: /* Divide. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (op2 == 0)
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
else
|
||
_bfd_vms_push (abfd, (uquad) (op2 / op1), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_AND: /* Logical AND. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 & op2), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_IOR: /* Logical inclusive OR. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 | op2), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_EOR: /* Logical exclusive OR. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_NEG: /* Negate. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (-op1), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_COM: /* Complement. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_ASH: /* Arithmetic shift. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (op2 < 0) /* Shift right. */
|
||
op1 >>= -op2;
|
||
else /* Shift left. */
|
||
op1 <<= op2;
|
||
_bfd_vms_push (abfd, (uquad) op1, -1);
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_INSV: /* Insert field. */
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
case ETIR_S_C_OPR_USH: /* Unsigned shift. */
|
||
case ETIR_S_C_OPR_ROT: /* Rotate. */
|
||
case ETIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */
|
||
case ETIR_S_C_OPR_DFLIT: /* Define a literal. */
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
case ETIR_S_C_OPR_SEL: /* Select. */
|
||
if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L)
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
else
|
||
{
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) op1, -1);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved OPR cmd %d"), cmd);
|
||
break;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Control commands.
|
||
|
||
See table B-11 of the openVMS linker manual. */
|
||
|
||
static bfd_boolean
|
||
etir_ctl (bfd * abfd, int cmd, unsigned char *ptr)
|
||
{
|
||
uquad dummy;
|
||
int psect;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "etir_ctl %d/%x\n", cmd, cmd);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
switch (cmd)
|
||
{
|
||
/* Det relocation base: pop stack, set image location counter
|
||
arg: none. */
|
||
case ETIR_S_C_CTL_SETRB:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_set_ptr (abfd, psect, dummy);
|
||
break;
|
||
|
||
/* Augment relocation base: increment image location counter by offset
|
||
arg: lw offset value. */
|
||
case ETIR_S_C_CTL_AUGRB:
|
||
dummy = bfd_getl32 (ptr);
|
||
image_inc_ptr (abfd, dummy);
|
||
break;
|
||
|
||
/* Define location: pop index, save location counter under index
|
||
arg: none. */
|
||
case ETIR_S_C_CTL_DFLOC:
|
||
dummy = _bfd_vms_pop (abfd, NULL);
|
||
/* FIXME */
|
||
break;
|
||
|
||
/* Set location: pop index, restore location counter from index
|
||
arg: none. */
|
||
case ETIR_S_C_CTL_STLOC:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
/* FIXME */
|
||
break;
|
||
|
||
/* Stack defined location: pop index, push location counter from index
|
||
arg: none. */
|
||
case ETIR_S_C_CTL_STKDL:
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
/* FIXME. */
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved CTL cmd %d"), cmd);
|
||
break;
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
/* Store conditional commands
|
||
|
||
See table B-12 and B-13 of the openVMS linker manual. */
|
||
|
||
static bfd_boolean
|
||
etir_stc (bfd * abfd, int cmd, unsigned char *ptr ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "etir_stc %d/%x\n", cmd, cmd);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
switch (cmd)
|
||
{
|
||
/* 200 Store-conditional Linkage Pair
|
||
arg: none. */
|
||
case ETIR_S_C_STC_LP:
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
/* 201 Store-conditional Linkage Pair with Procedure Signature
|
||
arg: lw linkage index
|
||
cs procedure name
|
||
by signature length
|
||
da signature. */
|
||
case ETIR_S_C_STC_LP_PSB:
|
||
image_inc_ptr (abfd, (uquad) 16); /* skip entry,procval */
|
||
break;
|
||
|
||
/* 202 Store-conditional Address at global address
|
||
arg: lw linkage index
|
||
cs global name. */
|
||
|
||
case ETIR_S_C_STC_GBL:
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
/* 203 Store-conditional Code Address at global address
|
||
arg: lw linkage index
|
||
cs procedure name. */
|
||
case ETIR_S_C_STC_GCA:
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
/* 204 Store-conditional Address at psect + offset
|
||
arg: lw linkage index
|
||
lw psect index
|
||
qw offset. */
|
||
case ETIR_S_C_STC_PS:
|
||
(*_bfd_error_handler) (_("%s: not supported"), cmd_name (cmd));
|
||
break;
|
||
|
||
/* 205 Store-conditional NOP at address of global
|
||
arg: none. */
|
||
case ETIR_S_C_STC_NOP_GBL:
|
||
|
||
/* 206 Store-conditional NOP at pect + offset
|
||
arg: none. */
|
||
case ETIR_S_C_STC_NOP_PS:
|
||
|
||
/* 207 Store-conditional BSR at global address
|
||
arg: none. */
|
||
case ETIR_S_C_STC_BSR_GBL:
|
||
|
||
/* 208 Store-conditional BSR at pect + offset
|
||
arg: none. */
|
||
case ETIR_S_C_STC_BSR_PS:
|
||
|
||
/* 209 Store-conditional LDA at global address
|
||
arg: none. */
|
||
case ETIR_S_C_STC_LDA_GBL:
|
||
|
||
/* 210 Store-conditional LDA at psect + offset
|
||
arg: none. */
|
||
case ETIR_S_C_STC_LDA_PS:
|
||
|
||
/* 211 Store-conditional BSR or Hint at global address
|
||
arg: none. */
|
||
case ETIR_S_C_STC_BOH_GBL:
|
||
|
||
/* 212 Store-conditional BSR or Hint at pect + offset
|
||
arg: none. */
|
||
case ETIR_S_C_STC_BOH_PS:
|
||
|
||
/* 213 Store-conditional NOP,BSR or HINT at global address
|
||
arg: none. */
|
||
case ETIR_S_C_STC_NBH_GBL:
|
||
|
||
/* 214 Store-conditional NOP,BSR or HINT at psect + offset
|
||
arg: none. */
|
||
case ETIR_S_C_STC_NBH_PS:
|
||
/* FIXME */
|
||
break;
|
||
|
||
default:
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (3, "reserved STC cmd %d", cmd);
|
||
#endif
|
||
break;
|
||
}
|
||
return TRUE;
|
||
}
|
||
|
||
static asection *
|
||
new_section (bfd * abfd ATTRIBUTE_UNUSED, int idx)
|
||
{
|
||
asection *section;
|
||
char sname[16];
|
||
char *name;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "new_section %d\n", idx);
|
||
#endif
|
||
sprintf (sname, SECTION_NAME_TEMPLATE, idx);
|
||
|
||
name = bfd_malloc ((bfd_size_type) strlen (sname) + 1);
|
||
if (name == 0)
|
||
return NULL;
|
||
strcpy (name, sname);
|
||
|
||
section = bfd_malloc ((bfd_size_type) sizeof (asection));
|
||
if (section == 0)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (6, "new_section (%s) failed", name);
|
||
#endif
|
||
return NULL;
|
||
}
|
||
|
||
section->size = 0;
|
||
section->vma = 0;
|
||
section->contents = 0;
|
||
section->name = name;
|
||
section->index = idx;
|
||
|
||
return section;
|
||
}
|
||
|
||
static int
|
||
alloc_section (bfd * abfd, unsigned int idx)
|
||
{
|
||
bfd_size_type amt;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (4, "alloc_section %d\n", idx);
|
||
#endif
|
||
|
||
amt = idx + 1;
|
||
amt *= sizeof (asection *);
|
||
PRIV (sections) = bfd_realloc (PRIV (sections), amt);
|
||
if (PRIV (sections) == 0)
|
||
return -1;
|
||
|
||
while (PRIV (section_count) <= idx)
|
||
{
|
||
PRIV (sections)[PRIV (section_count)]
|
||
= new_section (abfd, (int) PRIV (section_count));
|
||
if (PRIV (sections)[PRIV (section_count)] == 0)
|
||
return -1;
|
||
PRIV (section_count)++;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* tir_sta
|
||
|
||
vax stack commands
|
||
|
||
Handle sta_xxx commands in tir section
|
||
ptr points to data area in record
|
||
|
||
See table 7-3 of the VAX/VMS linker manual. */
|
||
|
||
static unsigned char *
|
||
tir_sta (bfd * abfd, unsigned char *ptr)
|
||
{
|
||
int cmd = *ptr++;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "tir_sta %d\n", cmd);
|
||
#endif
|
||
|
||
switch (cmd)
|
||
{
|
||
/* stack */
|
||
case TIR_S_C_STA_GBL:
|
||
/* stack global
|
||
arg: cs symbol name
|
||
|
||
stack 32 bit value of symbol (high bits set to 0). */
|
||
{
|
||
char *name;
|
||
vms_symbol_entry *entry;
|
||
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
|
||
entry = _bfd_vms_enter_symbol (abfd, name);
|
||
if (entry == NULL)
|
||
return NULL;
|
||
|
||
_bfd_vms_push (abfd, (uquad) (entry->symbol->value), -1);
|
||
ptr += *ptr + 1;
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_SB:
|
||
/* stack signed byte
|
||
arg: by value
|
||
|
||
stack byte value, sign extend to 32 bit. */
|
||
_bfd_vms_push (abfd, (uquad) *ptr++, -1);
|
||
break;
|
||
|
||
case TIR_S_C_STA_SW:
|
||
/* stack signed short word
|
||
arg: sh value
|
||
|
||
stack 16 bit value, sign extend to 32 bit. */
|
||
_bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1);
|
||
ptr += 2;
|
||
break;
|
||
|
||
case TIR_S_C_STA_LW:
|
||
/* stack signed longword
|
||
arg: lw value
|
||
|
||
stack 32 bit value. */
|
||
_bfd_vms_push (abfd, (uquad) bfd_getl32 (ptr), -1);
|
||
ptr += 4;
|
||
break;
|
||
|
||
case TIR_S_C_STA_PB:
|
||
case TIR_S_C_STA_WPB:
|
||
/* stack psect base plus byte offset (word index)
|
||
arg: by section index
|
||
(sh section index)
|
||
by signed byte offset. */
|
||
{
|
||
unsigned long dummy;
|
||
unsigned int psect;
|
||
|
||
if (cmd == TIR_S_C_STA_PB)
|
||
psect = *ptr++;
|
||
else
|
||
{
|
||
psect = bfd_getl16 (ptr);
|
||
ptr += 2;
|
||
}
|
||
|
||
if (psect >= PRIV (section_count))
|
||
alloc_section (abfd, psect);
|
||
|
||
dummy = (long) *ptr++;
|
||
dummy += (PRIV (sections)[psect])->vma;
|
||
_bfd_vms_push (abfd, (uquad) dummy, (int) psect);
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_PW:
|
||
case TIR_S_C_STA_WPW:
|
||
/* stack psect base plus word offset (word index)
|
||
arg: by section index
|
||
(sh section index)
|
||
sh signed short offset. */
|
||
{
|
||
unsigned long dummy;
|
||
unsigned int psect;
|
||
|
||
if (cmd == TIR_S_C_STA_PW)
|
||
psect = *ptr++;
|
||
else
|
||
{
|
||
psect = bfd_getl16 (ptr);
|
||
ptr += 2;
|
||
}
|
||
|
||
if (psect >= PRIV (section_count))
|
||
alloc_section (abfd, psect);
|
||
|
||
dummy = bfd_getl16 (ptr); ptr+=2;
|
||
dummy += (PRIV (sections)[psect])->vma;
|
||
_bfd_vms_push (abfd, (uquad) dummy, (int) psect);
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_PL:
|
||
case TIR_S_C_STA_WPL:
|
||
/* stack psect base plus long offset (word index)
|
||
arg: by section index
|
||
(sh section index)
|
||
lw signed longword offset. */
|
||
{
|
||
unsigned long dummy;
|
||
unsigned int psect;
|
||
|
||
if (cmd == TIR_S_C_STA_PL)
|
||
psect = *ptr++;
|
||
else
|
||
{
|
||
psect = bfd_getl16 (ptr);
|
||
ptr += 2;
|
||
}
|
||
|
||
if (psect >= PRIV (section_count))
|
||
alloc_section (abfd, psect);
|
||
|
||
dummy = bfd_getl32 (ptr); ptr += 4;
|
||
dummy += (PRIV (sections)[psect])->vma;
|
||
_bfd_vms_push (abfd, (uquad) dummy, (int) psect);
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_UB:
|
||
/* stack unsigned byte
|
||
arg: by value
|
||
|
||
stack byte value. */
|
||
_bfd_vms_push (abfd, (uquad) *ptr++, -1);
|
||
break;
|
||
|
||
case TIR_S_C_STA_UW:
|
||
/* stack unsigned short word
|
||
arg: sh value
|
||
|
||
stack 16 bit value. */
|
||
_bfd_vms_push (abfd, (uquad) bfd_getl16 (ptr), -1);
|
||
ptr += 2;
|
||
break;
|
||
|
||
case TIR_S_C_STA_BFI:
|
||
/* stack byte from image
|
||
arg: none. */
|
||
/* FALLTHRU */
|
||
case TIR_S_C_STA_WFI:
|
||
/* stack byte from image
|
||
arg: none. */
|
||
/* FALLTHRU */
|
||
case TIR_S_C_STA_LFI:
|
||
/* stack byte from image
|
||
arg: none. */
|
||
(*_bfd_error_handler) (_("stack-from-image not implemented"));
|
||
return NULL;
|
||
|
||
case TIR_S_C_STA_EPM:
|
||
/* stack entry point mask
|
||
arg: cs symbol name
|
||
|
||
stack (unsigned) entry point mask of symbol
|
||
err if symbol is no entry point. */
|
||
{
|
||
char *name;
|
||
vms_symbol_entry *entry;
|
||
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = _bfd_vms_enter_symbol (abfd, name);
|
||
if (entry == NULL)
|
||
return NULL;
|
||
|
||
(*_bfd_error_handler) (_("stack-entry-mask not fully implemented"));
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
ptr += *ptr + 1;
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_CKARG:
|
||
/* compare procedure argument
|
||
arg: cs symbol name
|
||
by argument index
|
||
da argument descriptor
|
||
|
||
compare argument descriptor with symbol argument (ARG$V_PASSMECH)
|
||
and stack TRUE (args match) or FALSE (args dont match) value. */
|
||
(*_bfd_error_handler) (_("PASSMECH not fully implemented"));
|
||
_bfd_vms_push (abfd, (uquad) 1, -1);
|
||
break;
|
||
|
||
case TIR_S_C_STA_LSY:
|
||
/* stack local symbol value
|
||
arg: sh environment index
|
||
cs symbol name. */
|
||
{
|
||
int envidx;
|
||
char *name;
|
||
vms_symbol_entry *entry;
|
||
|
||
envidx = bfd_getl16 (ptr);
|
||
ptr += 2;
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = _bfd_vms_enter_symbol (abfd, name);
|
||
if (entry == NULL)
|
||
return NULL;
|
||
(*_bfd_error_handler) (_("stack-local-symbol not fully implemented"));
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
ptr += *ptr + 1;
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_STA_LIT:
|
||
/* stack literal
|
||
arg: by literal index
|
||
|
||
stack literal. */
|
||
ptr++;
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
(*_bfd_error_handler) (_("stack-literal not fully implemented"));
|
||
break;
|
||
|
||
case TIR_S_C_STA_LEPM:
|
||
/* stack local symbol entry point mask
|
||
arg: sh environment index
|
||
cs symbol name
|
||
|
||
stack (unsigned) entry point mask of symbol
|
||
err if symbol is no entry point. */
|
||
{
|
||
int envidx;
|
||
char *name;
|
||
vms_symbol_entry *entry;
|
||
|
||
envidx = bfd_getl16 (ptr);
|
||
ptr += 2;
|
||
name = _bfd_vms_save_counted_string (ptr);
|
||
entry = _bfd_vms_enter_symbol (abfd, name);
|
||
if (entry == NULL)
|
||
return NULL;
|
||
(*_bfd_error_handler) (_("stack-local-symbol-entry-point-mask not fully implemented"));
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
ptr += *ptr + 1;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved STA cmd %d"), ptr[-1]);
|
||
return NULL;
|
||
break;
|
||
}
|
||
|
||
return ptr;
|
||
}
|
||
|
||
static const char *
|
||
tir_cmd_name (int cmd)
|
||
{
|
||
switch (cmd)
|
||
{
|
||
case TIR_S_C_STO_RSB: return "TIR_S_C_STO_RSB";
|
||
case TIR_S_C_STO_RSW: return "TIR_S_C_STO_RSW";
|
||
case TIR_S_C_STO_RL: return "TIR_S_C_STO_RL";
|
||
case TIR_S_C_STO_VPS: return "TIR_S_C_STO_VPS";
|
||
case TIR_S_C_STO_USB: return "TIR_S_C_STO_USB";
|
||
case TIR_S_C_STO_USW: return "TIR_S_C_STO_USW";
|
||
case TIR_S_C_STO_RUB: return "TIR_S_C_STO_RUB";
|
||
case TIR_S_C_STO_RUW: return "TIR_S_C_STO_RUW";
|
||
case TIR_S_C_STO_PIRR: return "TIR_S_C_STO_PIRR";
|
||
case TIR_S_C_OPR_INSV: return "TIR_S_C_OPR_INSV";
|
||
case TIR_S_C_OPR_DFLIT: return "TIR_S_C_OPR_DFLIT";
|
||
case TIR_S_C_OPR_REDEF: return "TIR_S_C_OPR_REDEF";
|
||
case TIR_S_C_OPR_ROT: return "TIR_S_C_OPR_ROT";
|
||
case TIR_S_C_OPR_USH: return "TIR_S_C_OPR_USH";
|
||
case TIR_S_C_OPR_ASH: return "TIR_S_C_OPR_ASH";
|
||
case TIR_S_C_CTL_DFLOC: return "TIR_S_C_CTL_DFLOC";
|
||
case TIR_S_C_CTL_STLOC: return "TIR_S_C_CTL_STLOC";
|
||
case TIR_S_C_CTL_STKDL: return "TIR_S_C_CTL_STKDL";
|
||
|
||
default:
|
||
/* These strings have not been added yet. */
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
/* tir_sto
|
||
|
||
vax store commands
|
||
|
||
handle sto_xxx commands in tir section
|
||
ptr points to data area in record
|
||
|
||
See table 7-4 of the VAX/VMS linker manual. */
|
||
|
||
static unsigned char *
|
||
tir_sto (bfd * abfd, unsigned char *ptr)
|
||
{
|
||
unsigned long dummy;
|
||
int size;
|
||
int psect;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "tir_sto %d\n", *ptr);
|
||
#endif
|
||
|
||
switch (*ptr++)
|
||
{
|
||
case TIR_S_C_STO_SB:
|
||
/* Store signed byte: pop stack, write byte
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_b (abfd, dummy & 0xff); /* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_SW:
|
||
/* Store signed word: pop stack, write word
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_w (abfd, dummy & 0xffff); /* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_LW:
|
||
/* Store longword: pop stack, write longword
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_l (abfd, dummy & 0xffffffff); /* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_BD:
|
||
/* Store byte displaced: pop stack, sub lc+1, write byte
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
dummy -= ((PRIV (sections)[psect])->vma + 1);
|
||
image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_WD:
|
||
/* Store word displaced: pop stack, sub lc+2, write word
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
dummy -= ((PRIV (sections)[psect])->vma + 2);
|
||
image_write_w (abfd, dummy & 0xffff);/* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_LD:
|
||
/* Store long displaced: pop stack, sub lc+4, write long
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
dummy -= ((PRIV (sections)[psect])->vma + 4);
|
||
image_write_l (abfd, dummy & 0xffffffff);/* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_LI:
|
||
/* Store short literal: pop stack, write byte
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_b (abfd, dummy & 0xff);/* FIXME: check top bits */
|
||
break;
|
||
|
||
case TIR_S_C_STO_PIDR:
|
||
/* Store position independent data reference: pop stack, write longword
|
||
arg: none.
|
||
FIXME: incomplete ! */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_l (abfd, dummy & 0xffffffff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_PICR:
|
||
/* Store position independent code reference: pop stack, write longword
|
||
arg: none.
|
||
FIXME: incomplete ! */
|
||
dummy = _bfd_vms_pop (abfd, &psect);
|
||
image_write_b (abfd, 0x9f);
|
||
image_write_l (abfd, dummy & 0xffffffff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_RIVB:
|
||
/* Store repeated immediate variable bytes
|
||
1-byte count n field followed by n bytes of data
|
||
pop stack, write n bytes <stack> times. */
|
||
size = *ptr++;
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
while (dummy-- > 0L)
|
||
image_dump (abfd, ptr, size, 0);
|
||
ptr += size;
|
||
break;
|
||
|
||
case TIR_S_C_STO_B:
|
||
/* Store byte from top longword. */
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
image_write_b (abfd, dummy & 0xff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_W:
|
||
/* Store word from top longword. */
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
image_write_w (abfd, dummy & 0xffff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_RB:
|
||
/* Store repeated byte from top longword. */
|
||
size = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
while (size-- > 0)
|
||
image_write_b (abfd, dummy & 0xff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_RW:
|
||
/* Store repeated word from top longword. */
|
||
size = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
dummy = (unsigned long) _bfd_vms_pop (abfd, NULL);
|
||
while (size-- > 0)
|
||
image_write_w (abfd, dummy & 0xffff);
|
||
break;
|
||
|
||
case TIR_S_C_STO_RSB:
|
||
case TIR_S_C_STO_RSW:
|
||
case TIR_S_C_STO_RL:
|
||
case TIR_S_C_STO_VPS:
|
||
case TIR_S_C_STO_USB:
|
||
case TIR_S_C_STO_USW:
|
||
case TIR_S_C_STO_RUB:
|
||
case TIR_S_C_STO_RUW:
|
||
case TIR_S_C_STO_PIRR:
|
||
(*_bfd_error_handler) (_("%s: not implemented"), tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved STO cmd %d"), ptr[-1]);
|
||
break;
|
||
}
|
||
|
||
return ptr;
|
||
}
|
||
|
||
/* Stack operator commands
|
||
All 32 bit signed arithmetic
|
||
All word just like a stack calculator
|
||
Arguments are popped from stack, results are pushed on stack
|
||
|
||
See table 7-5 of the VAX/VMS linker manual. */
|
||
|
||
static unsigned char *
|
||
tir_opr (bfd * abfd, unsigned char *ptr)
|
||
{
|
||
long op1, op2;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "tir_opr %d\n", *ptr);
|
||
#endif
|
||
|
||
/* Operation. */
|
||
switch (*ptr++)
|
||
{
|
||
case TIR_S_C_OPR_NOP: /* No-op. */
|
||
break;
|
||
|
||
case TIR_S_C_OPR_ADD: /* Add. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 + op2), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_SUB: /* Subtract. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op2 - op1), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_MUL: /* Multiply. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 * op2), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_DIV: /* Divide. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (op2 == 0)
|
||
_bfd_vms_push (abfd, (uquad) 0, -1);
|
||
else
|
||
_bfd_vms_push (abfd, (uquad) (op2 / op1), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_AND: /* Logical AND. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 & op2), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_IOR: /* Logical inclusive OR. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 | op2), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_EOR: /* Logical exclusive OR. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 ^ op2), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_NEG: /* Negate. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (-op1), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_COM: /* Complement. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) (op1 ^ -1L), -1);
|
||
break;
|
||
|
||
case TIR_S_C_OPR_INSV: /* Insert field. */
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_OPR_ASH: /* Arithmetic shift. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (HIGHBIT (op1)) /* Shift right. */
|
||
op2 >>= op1;
|
||
else /* Shift left. */
|
||
op2 <<= op1;
|
||
_bfd_vms_push (abfd, (uquad) op2, -1);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_OPR_USH: /* Unsigned shift. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (HIGHBIT (op1)) /* Shift right. */
|
||
op2 >>= op1;
|
||
else /* Shift left. */
|
||
op2 <<= op1;
|
||
_bfd_vms_push (abfd, (uquad) op2, -1);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_OPR_ROT: /* Rotate. */
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
op2 = (long) _bfd_vms_pop (abfd, NULL);
|
||
if (HIGHBIT (0)) /* Shift right. */
|
||
op2 >>= op1;
|
||
else /* Shift left. */
|
||
op2 <<= op1;
|
||
_bfd_vms_push (abfd, (uquad) op2, -1);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_OPR_SEL: /* Select. */
|
||
if ((long) _bfd_vms_pop (abfd, NULL) & 0x01L)
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
else
|
||
{
|
||
op1 = (long) _bfd_vms_pop (abfd, NULL);
|
||
(void) _bfd_vms_pop (abfd, NULL);
|
||
_bfd_vms_push (abfd, (uquad) op1, -1);
|
||
}
|
||
break;
|
||
|
||
case TIR_S_C_OPR_REDEF: /* Redefine symbol to current location. */
|
||
case TIR_S_C_OPR_DFLIT: /* Define a literal. */
|
||
(*_bfd_error_handler) (_("%s: not supported"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved OPR cmd %d"), ptr[-1]);
|
||
break;
|
||
}
|
||
|
||
return ptr;
|
||
}
|
||
|
||
/* Control commands
|
||
|
||
See table 7-6 of the VAX/VMS linker manual. */
|
||
|
||
static unsigned char *
|
||
tir_ctl (bfd * abfd, unsigned char *ptr)
|
||
{
|
||
unsigned long dummy;
|
||
unsigned int psect;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (5, "tir_ctl %d\n", *ptr);
|
||
#endif
|
||
|
||
switch (*ptr++)
|
||
{
|
||
case TIR_S_C_CTL_SETRB:
|
||
/* Set relocation base: pop stack, set image location counter
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, (int *) &psect);
|
||
if (psect >= PRIV (section_count))
|
||
alloc_section (abfd, psect);
|
||
image_set_ptr (abfd, (int) psect, (uquad) dummy);
|
||
break;
|
||
|
||
case TIR_S_C_CTL_AUGRB:
|
||
/* Augment relocation base: increment image location counter by offset
|
||
arg: lw offset value. */
|
||
dummy = bfd_getl32 (ptr);
|
||
image_inc_ptr (abfd, (uquad) dummy);
|
||
break;
|
||
|
||
case TIR_S_C_CTL_DFLOC:
|
||
/* Define location: pop index, save location counter under index
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, NULL);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_CTL_STLOC:
|
||
/* Set location: pop index, restore location counter from index
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, (int *) &psect);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
case TIR_S_C_CTL_STKDL:
|
||
/* Stack defined location: pop index, push location counter from index
|
||
arg: none. */
|
||
dummy = _bfd_vms_pop (abfd, (int *) &psect);
|
||
(*_bfd_error_handler) (_("%s: not fully implemented"),
|
||
tir_cmd_name (ptr[-1]));
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("reserved CTL cmd %d"), ptr[-1]);
|
||
break;
|
||
}
|
||
return ptr;
|
||
}
|
||
|
||
/* Handle command from TIR section. */
|
||
|
||
static unsigned char *
|
||
tir_cmd (bfd * abfd, unsigned char *ptr)
|
||
{
|
||
struct
|
||
{
|
||
int mincod;
|
||
int maxcod;
|
||
unsigned char * (*explain) (bfd *, unsigned char *);
|
||
}
|
||
tir_table[] =
|
||
{
|
||
{ 0, TIR_S_C_MAXSTACOD, tir_sta },
|
||
{ TIR_S_C_MINSTOCOD, TIR_S_C_MAXSTOCOD, tir_sto },
|
||
{ TIR_S_C_MINOPRCOD, TIR_S_C_MAXOPRCOD, tir_opr },
|
||
{ TIR_S_C_MINCTLCOD, TIR_S_C_MAXCTLCOD, tir_ctl },
|
||
{ -1, -1, NULL }
|
||
};
|
||
int i = 0;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (4, "tir_cmd %d/%x\n", *ptr, *ptr);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
if (*ptr & 0x80)
|
||
{
|
||
/* Store immediate. */
|
||
i = 128 - (*ptr++ & 0x7f);
|
||
image_dump (abfd, ptr, i, 0);
|
||
ptr += i;
|
||
}
|
||
else
|
||
{
|
||
while (tir_table[i].mincod >= 0)
|
||
{
|
||
if ( (tir_table[i].mincod <= *ptr)
|
||
&& (*ptr <= tir_table[i].maxcod))
|
||
{
|
||
ptr = tir_table[i].explain (abfd, ptr);
|
||
break;
|
||
}
|
||
i++;
|
||
}
|
||
if (tir_table[i].mincod < 0)
|
||
{
|
||
(*_bfd_error_handler) (_("obj code %d not found"), *ptr);
|
||
ptr = 0;
|
||
}
|
||
}
|
||
|
||
return ptr;
|
||
}
|
||
|
||
/* Handle command from ETIR section. */
|
||
|
||
static int
|
||
etir_cmd (bfd * abfd, int cmd, unsigned char *ptr)
|
||
{
|
||
static struct
|
||
{
|
||
int mincod;
|
||
int maxcod;
|
||
bfd_boolean (*explain) (bfd *, int, unsigned char *);
|
||
}
|
||
etir_table[] =
|
||
{
|
||
{ ETIR_S_C_MINSTACOD, ETIR_S_C_MAXSTACOD, etir_sta },
|
||
{ ETIR_S_C_MINSTOCOD, ETIR_S_C_MAXSTOCOD, etir_sto },
|
||
{ ETIR_S_C_MINOPRCOD, ETIR_S_C_MAXOPRCOD, etir_opr },
|
||
{ ETIR_S_C_MINCTLCOD, ETIR_S_C_MAXCTLCOD, etir_ctl },
|
||
{ ETIR_S_C_MINSTCCOD, ETIR_S_C_MAXSTCCOD, etir_stc },
|
||
{ -1, -1, NULL }
|
||
};
|
||
|
||
int i = 0;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (4, "etir_cmd %d/%x\n", cmd, cmd);
|
||
_bfd_hexdump (8, ptr, 16, (int) ptr);
|
||
#endif
|
||
|
||
while (etir_table[i].mincod >= 0)
|
||
{
|
||
if ( (etir_table[i].mincod <= cmd)
|
||
&& (cmd <= etir_table[i].maxcod))
|
||
{
|
||
if (!etir_table[i].explain (abfd, cmd, ptr))
|
||
return -1;
|
||
break;
|
||
}
|
||
i++;
|
||
}
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (4, "etir_cmd: = 0\n");
|
||
#endif
|
||
return 0;
|
||
}
|
||
|
||
/* Text Information and Relocation Records (OBJ$C_TIR)
|
||
handle tir record. */
|
||
|
||
static int
|
||
analyze_tir (bfd * abfd, unsigned char *ptr, unsigned int length)
|
||
{
|
||
unsigned char *maxptr;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (3, "analyze_tir: %d bytes\n", length);
|
||
#endif
|
||
|
||
maxptr = ptr + length;
|
||
|
||
while (ptr < maxptr)
|
||
{
|
||
ptr = tir_cmd (abfd, ptr);
|
||
if (ptr == 0)
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Text Information and Relocation Records (EOBJ$C_ETIR)
|
||
handle etir record. */
|
||
|
||
static int
|
||
analyze_etir (bfd * abfd, unsigned char *ptr, unsigned int length)
|
||
{
|
||
int cmd;
|
||
unsigned char *maxptr;
|
||
int result = 0;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (3, "analyze_etir: %d bytes\n", length);
|
||
#endif
|
||
|
||
maxptr = ptr + length;
|
||
|
||
while (ptr < maxptr)
|
||
{
|
||
cmd = bfd_getl16 (ptr);
|
||
length = bfd_getl16 (ptr + 2);
|
||
result = etir_cmd (abfd, cmd, ptr+4);
|
||
if (result != 0)
|
||
break;
|
||
ptr += length;
|
||
}
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (3, "analyze_etir: = %d\n", result);
|
||
#endif
|
||
|
||
return result;
|
||
}
|
||
|
||
/* Process ETIR record
|
||
Return 0 on success, -1 on error. */
|
||
|
||
int
|
||
_bfd_vms_slurp_tir (bfd * abfd, int objtype)
|
||
{
|
||
int result;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "TIR/ETIR\n");
|
||
#endif
|
||
|
||
switch (objtype)
|
||
{
|
||
case EOBJ_S_C_ETIR:
|
||
PRIV (vms_rec) += 4; /* Skip type, size. */
|
||
PRIV (rec_size) -= 4;
|
||
result = analyze_etir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size));
|
||
break;
|
||
case OBJ_S_C_TIR:
|
||
PRIV (vms_rec) += 1; /* Skip type. */
|
||
PRIV (rec_size) -= 1;
|
||
result = analyze_tir (abfd, PRIV (vms_rec), (unsigned) PRIV (rec_size));
|
||
break;
|
||
default:
|
||
result = -1;
|
||
break;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
/* Process EDBG record
|
||
Return 0 on success, -1 on error
|
||
|
||
Not implemented yet. */
|
||
|
||
int
|
||
_bfd_vms_slurp_dbg (bfd * abfd, int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "DBG/EDBG\n");
|
||
#endif
|
||
|
||
abfd->flags |= (HAS_DEBUG | HAS_LINENO);
|
||
return 0;
|
||
}
|
||
|
||
/* Process ETBT record
|
||
Return 0 on success, -1 on error
|
||
|
||
Not implemented yet. */
|
||
|
||
int
|
||
_bfd_vms_slurp_tbt (bfd * abfd ATTRIBUTE_UNUSED,
|
||
int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "TBT/ETBT\n");
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Process LNK record
|
||
Return 0 on success, -1 on error
|
||
|
||
Not implemented yet. */
|
||
|
||
int
|
||
_bfd_vms_slurp_lnk (bfd * abfd ATTRIBUTE_UNUSED,
|
||
int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "LNK\n");
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Start ETIR record for section #index at virtual addr offset. */
|
||
|
||
static void
|
||
start_etir_record (bfd * abfd, int index, uquad offset, bfd_boolean justoffset)
|
||
{
|
||
if (!justoffset)
|
||
{
|
||
/* One ETIR per section. */
|
||
_bfd_vms_output_begin (abfd, EOBJ_S_C_ETIR, -1);
|
||
_bfd_vms_output_push (abfd);
|
||
}
|
||
|
||
/* Push start offset. */
|
||
_bfd_vms_output_begin (abfd, ETIR_S_C_STA_PQ, -1);
|
||
_bfd_vms_output_long (abfd, (unsigned long) index);
|
||
_bfd_vms_output_quad (abfd, (uquad) offset);
|
||
_bfd_vms_output_flush (abfd);
|
||
|
||
/* Start = pop (). */
|
||
_bfd_vms_output_begin (abfd, ETIR_S_C_CTL_SETRB, -1);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
|
||
static void
|
||
end_etir_record (bfd * abfd)
|
||
{
|
||
_bfd_vms_output_pop (abfd);
|
||
_bfd_vms_output_end (abfd);
|
||
}
|
||
|
||
/* WRITE ETIR SECTION
|
||
|
||
This is still under construction and therefore not documented. */
|
||
|
||
static void
|
||
sto_imm (bfd * abfd, vms_section *sptr, bfd_vma vaddr, int index)
|
||
{
|
||
int size;
|
||
int ssize;
|
||
unsigned char *cptr;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (8, "sto_imm %d bytes\n", sptr->size);
|
||
_bfd_hexdump (9, sptr->contents, (int) sptr->size, (int) vaddr);
|
||
#endif
|
||
|
||
ssize = sptr->size;
|
||
cptr = sptr->contents;
|
||
|
||
while (ssize > 0)
|
||
{
|
||
/* Try all the rest. */
|
||
size = ssize;
|
||
|
||
if (_bfd_vms_output_check (abfd, size) < 0)
|
||
{
|
||
/* Doesn't fit, split ! */
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd, index, vaddr, FALSE);
|
||
/* Get max size. */
|
||
size = _bfd_vms_output_check (abfd, 0);
|
||
/* More than what's left ? */
|
||
if (size > ssize)
|
||
size = ssize;
|
||
}
|
||
|
||
_bfd_vms_output_begin (abfd, ETIR_S_C_STO_IMM, -1);
|
||
_bfd_vms_output_long (abfd, (unsigned long) (size));
|
||
_bfd_vms_output_dump (abfd, cptr, size);
|
||
_bfd_vms_output_flush (abfd);
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (10, "dumped %d bytes\n", size);
|
||
_bfd_hexdump (10, cptr, (int) size, (int) vaddr);
|
||
#endif
|
||
|
||
vaddr += size;
|
||
ssize -= size;
|
||
cptr += size;
|
||
}
|
||
}
|
||
|
||
/* Write section contents for bfd abfd. */
|
||
|
||
int
|
||
_bfd_vms_write_tir (bfd * abfd, int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
asection *section;
|
||
vms_section *sptr;
|
||
int nextoffset;
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "vms_write_tir (%p, %d)\n", abfd, objtype);
|
||
#endif
|
||
|
||
_bfd_vms_output_alignment (abfd, 4);
|
||
|
||
nextoffset = 0;
|
||
PRIV (vms_linkage_index) = 1;
|
||
|
||
/* Dump all other sections. */
|
||
section = abfd->sections;
|
||
|
||
while (section != NULL)
|
||
{
|
||
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (4, "writing %d. section '%s' (%d bytes)\n",
|
||
section->index, section->name,
|
||
(int) (section->size));
|
||
#endif
|
||
|
||
if (section->flags & SEC_RELOC)
|
||
{
|
||
int i;
|
||
|
||
if ((i = section->reloc_count) <= 0)
|
||
(*_bfd_error_handler) (_("SEC_RELOC with no relocs in section %s"),
|
||
section->name);
|
||
#if VMS_DEBUG
|
||
else
|
||
{
|
||
arelent **rptr;
|
||
_bfd_vms_debug (4, "%d relocations:\n", i);
|
||
rptr = section->orelocation;
|
||
while (i-- > 0)
|
||
{
|
||
_bfd_vms_debug (4, "sym %s in sec %s, value %08lx, addr %08lx, off %08lx, len %d: %s\n",
|
||
(*(*rptr)->sym_ptr_ptr)->name,
|
||
(*(*rptr)->sym_ptr_ptr)->section->name,
|
||
(long) (*(*rptr)->sym_ptr_ptr)->value,
|
||
(*rptr)->address, (*rptr)->addend,
|
||
bfd_get_reloc_size ((*rptr)->howto),
|
||
(*rptr)->howto->name);
|
||
rptr++;
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
|
||
if ((section->flags & SEC_HAS_CONTENTS)
|
||
&& (! bfd_is_com_section (section)))
|
||
{
|
||
/* Virtual addr in section. */
|
||
bfd_vma vaddr;
|
||
|
||
sptr = _bfd_get_vms_section (abfd, section->index);
|
||
if (sptr == NULL)
|
||
{
|
||
bfd_set_error (bfd_error_no_contents);
|
||
return -1;
|
||
}
|
||
|
||
vaddr = (bfd_vma) (sptr->offset);
|
||
|
||
start_etir_record (abfd, section->index, (uquad) sptr->offset,
|
||
FALSE);
|
||
|
||
while (sptr != NULL)
|
||
{
|
||
/* One STA_PQ, CTL_SETRB per vms_section. */
|
||
if (section->flags & SEC_RELOC)
|
||
{
|
||
/* Check for relocs. */
|
||
arelent **rptr = section->orelocation;
|
||
int i = section->reloc_count;
|
||
|
||
for (;;)
|
||
{
|
||
bfd_size_type addr = (*rptr)->address;
|
||
bfd_size_type len = bfd_get_reloc_size ((*rptr)->howto);
|
||
if (sptr->offset < addr)
|
||
{
|
||
/* Sptr starts before reloc. */
|
||
bfd_size_type before = addr - sptr->offset;
|
||
if (sptr->size <= before)
|
||
{
|
||
/* Complete before. */
|
||
sto_imm (abfd, sptr, vaddr, section->index);
|
||
vaddr += sptr->size;
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
/* Partly before. */
|
||
int after = sptr->size - before;
|
||
|
||
sptr->size = before;
|
||
sto_imm (abfd, sptr, vaddr, section->index);
|
||
vaddr += sptr->size;
|
||
sptr->contents += before;
|
||
sptr->offset += before;
|
||
sptr->size = after;
|
||
}
|
||
}
|
||
else if (sptr->offset == addr)
|
||
{
|
||
/* Sptr starts at reloc. */
|
||
asymbol *sym = *(*rptr)->sym_ptr_ptr;
|
||
asection *sec = sym->section;
|
||
|
||
switch ((*rptr)->howto->type)
|
||
{
|
||
case ALPHA_R_IGNORE:
|
||
break;
|
||
|
||
case ALPHA_R_REFLONG:
|
||
{
|
||
if (bfd_is_und_section (sym->section))
|
||
{
|
||
int slen = strlen ((char *) sym->name);
|
||
char *hash;
|
||
|
||
if (_bfd_vms_output_check (abfd, slen) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_GBL_LW,
|
||
-1);
|
||
hash = (_bfd_vms_length_hash_symbol
|
||
(abfd, sym->name, EOBJ_S_C_SYMSIZ));
|
||
_bfd_vms_output_counted (abfd, hash);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
else if (bfd_is_abs_section (sym->section))
|
||
{
|
||
if (_bfd_vms_output_check (abfd, 16) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STA_LW,
|
||
-1);
|
||
_bfd_vms_output_quad (abfd,
|
||
(uquad) sym->value);
|
||
_bfd_vms_output_flush (abfd);
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_LW,
|
||
-1);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
else
|
||
{
|
||
if (_bfd_vms_output_check (abfd, 32) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STA_PQ,
|
||
-1);
|
||
_bfd_vms_output_long (abfd,
|
||
(unsigned long) (sec->index));
|
||
_bfd_vms_output_quad (abfd,
|
||
((uquad) (*rptr)->addend
|
||
+ (uquad) sym->value));
|
||
_bfd_vms_output_flush (abfd);
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_LW,
|
||
-1);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
}
|
||
break;
|
||
|
||
case ALPHA_R_REFQUAD:
|
||
{
|
||
if (bfd_is_und_section (sym->section))
|
||
{
|
||
int slen = strlen ((char *) sym->name);
|
||
char *hash;
|
||
|
||
if (_bfd_vms_output_check (abfd, slen) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_GBL,
|
||
-1);
|
||
hash = (_bfd_vms_length_hash_symbol
|
||
(abfd, sym->name, EOBJ_S_C_SYMSIZ));
|
||
_bfd_vms_output_counted (abfd, hash);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
else if (bfd_is_abs_section (sym->section))
|
||
{
|
||
if (_bfd_vms_output_check (abfd, 16) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STA_QW,
|
||
-1);
|
||
_bfd_vms_output_quad (abfd,
|
||
(uquad) sym->value);
|
||
_bfd_vms_output_flush (abfd);
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_QW,
|
||
-1);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
else
|
||
{
|
||
if (_bfd_vms_output_check (abfd, 32) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STA_PQ,
|
||
-1);
|
||
_bfd_vms_output_long (abfd,
|
||
(unsigned long) (sec->index));
|
||
_bfd_vms_output_quad (abfd,
|
||
((uquad) (*rptr)->addend
|
||
+ (uquad) sym->value));
|
||
_bfd_vms_output_flush (abfd);
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_OFF,
|
||
-1);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
}
|
||
break;
|
||
|
||
case ALPHA_R_HINT:
|
||
{
|
||
int hint_size;
|
||
char *hash ATTRIBUTE_UNUSED;
|
||
|
||
hint_size = sptr->size;
|
||
sptr->size = len;
|
||
sto_imm (abfd, sptr, vaddr, section->index);
|
||
sptr->size = hint_size;
|
||
}
|
||
break;
|
||
case ALPHA_R_LINKAGE:
|
||
{
|
||
char *hash;
|
||
|
||
if (_bfd_vms_output_check (abfd, 64) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd, section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STC_LP_PSB,
|
||
-1);
|
||
_bfd_vms_output_long (abfd,
|
||
(unsigned long) PRIV (vms_linkage_index));
|
||
PRIV (vms_linkage_index) += 2;
|
||
hash = (_bfd_vms_length_hash_symbol
|
||
(abfd, sym->name, EOBJ_S_C_SYMSIZ));
|
||
_bfd_vms_output_counted (abfd, hash);
|
||
_bfd_vms_output_byte (abfd, 0);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
break;
|
||
|
||
case ALPHA_R_CODEADDR:
|
||
{
|
||
int slen = strlen ((char *) sym->name);
|
||
char *hash;
|
||
if (_bfd_vms_output_check (abfd, slen) < 0)
|
||
{
|
||
end_etir_record (abfd);
|
||
start_etir_record (abfd,
|
||
section->index,
|
||
vaddr, FALSE);
|
||
}
|
||
_bfd_vms_output_begin (abfd,
|
||
ETIR_S_C_STO_CA,
|
||
-1);
|
||
hash = (_bfd_vms_length_hash_symbol
|
||
(abfd, sym->name, EOBJ_S_C_SYMSIZ));
|
||
_bfd_vms_output_counted (abfd, hash);
|
||
_bfd_vms_output_flush (abfd);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
(*_bfd_error_handler) (_("Unhandled relocation %s"),
|
||
(*rptr)->howto->name);
|
||
break;
|
||
}
|
||
|
||
vaddr += len;
|
||
|
||
if (len == sptr->size)
|
||
{
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
sptr->contents += len;
|
||
sptr->offset += len;
|
||
sptr->size -= len;
|
||
i--;
|
||
rptr++;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Sptr starts after reloc. */
|
||
i--;
|
||
/* Check next reloc. */
|
||
rptr++;
|
||
}
|
||
|
||
if (i == 0)
|
||
{
|
||
/* All reloc checked. */
|
||
if (sptr->size > 0)
|
||
{
|
||
/* Dump rest. */
|
||
sto_imm (abfd, sptr, vaddr, section->index);
|
||
vaddr += sptr->size;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* No relocs, just dump. */
|
||
sto_imm (abfd, sptr, vaddr, section->index);
|
||
vaddr += sptr->size;
|
||
}
|
||
|
||
sptr = sptr->next;
|
||
}
|
||
|
||
end_etir_record (abfd);
|
||
}
|
||
|
||
section = section->next;
|
||
}
|
||
|
||
_bfd_vms_output_alignment (abfd, 2);
|
||
return 0;
|
||
}
|
||
|
||
/* Write traceback data for bfd abfd. */
|
||
|
||
int
|
||
_bfd_vms_write_tbt (bfd * abfd ATTRIBUTE_UNUSED,
|
||
int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "vms_write_tbt (%p, %d)\n", abfd, objtype);
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Write debug info for bfd abfd. */
|
||
|
||
int
|
||
_bfd_vms_write_dbg (bfd * abfd ATTRIBUTE_UNUSED,
|
||
int objtype ATTRIBUTE_UNUSED)
|
||
{
|
||
#if VMS_DEBUG
|
||
_bfd_vms_debug (2, "vms_write_dbg (%p, objtype)\n", abfd, objtype);
|
||
#endif
|
||
|
||
return 0;
|
||
}
|