diff options
Diffstat (limited to 'rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_attr.c')
| -rw-r--r-- | rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_attr.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_attr.c b/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_attr.c new file mode 100644 index 0000000..f46672b --- /dev/null +++ b/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_attr.c @@ -0,0 +1,384 @@ +/*- + * Copyright (c) 2009 Kai Wang + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "_libdwarf.h" + +ELFTC_VCSID("$Id: dwarf_pro_attr.c 2074 2011-10-27 03:34:33Z jkoshy $"); + +Dwarf_P_Attribute +dwarf_add_AT_location_expr(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_P_Expr loc_expr, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL || loc_expr == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->at_expr = loc_expr; + + if (_dwarf_expr_into_block(loc_expr, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + at->u[0].u64 = loc_expr->pe_length; + at->u[1].u8p = loc_expr->pe_block; + if (loc_expr->pe_length <= UCHAR_MAX) + at->at_form = DW_FORM_block1; + else if (loc_expr->pe_length <= USHRT_MAX) + at->at_form = DW_FORM_block2; + else if (loc_expr->pe_length <= UINT_MAX) + at->at_form = DW_FORM_block4; + else + at->at_form = DW_FORM_block; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_name(Dwarf_P_Die die, char *name, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (_dwarf_add_string_attr(die, &at, DW_AT_name, name, error) != + DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_comp_dir(Dwarf_P_Die die, char *dir, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (_dwarf_add_string_attr(die, &at, DW_AT_comp_dir, dir, error) != + DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_producer(Dwarf_P_Die die, char *producer, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (_dwarf_add_string_attr(die, &at, DW_AT_producer, producer, error) != + DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_const_value_signedint(Dwarf_P_Die die, Dwarf_Signed value, + Dwarf_Error *error) +{ + Dwarf_Attribute at; + Dwarf_Debug dbg; + + dbg = die != NULL ? die->die_dbg : NULL; + + if (die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = DW_AT_const_value; + at->at_form = DW_FORM_sdata; + at->u[0].s64 = value; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_const_value_unsignedint(Dwarf_P_Die die, Dwarf_Unsigned value, + Dwarf_Error *error) +{ + Dwarf_Attribute at; + Dwarf_Debug dbg; + + dbg = die != NULL ? die->die_dbg : NULL; + + if (die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = DW_AT_const_value; + at->at_form = DW_FORM_udata; + at->u[0].u64 = value; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_const_value_string(Dwarf_P_Die die, char *string, + Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (_dwarf_add_string_attr(die, &at, DW_AT_const_value, string, + error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_targ_address(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Unsigned pc_value, Dwarf_Signed sym_index, Dwarf_Error *error) +{ + + return (dwarf_add_AT_targ_address_b(dbg, die, attr, pc_value, sym_index, + error)); +} + +Dwarf_P_Attribute +dwarf_add_AT_targ_address_b(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Unsigned pc_value, Dwarf_Unsigned sym_index, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->at_form = DW_FORM_addr; + at->at_relsym = sym_index; + at->u[0].u64 = pc_value; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_dataref(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Unsigned pc_value, Dwarf_Unsigned sym_index, Dwarf_Error *error) +{ + Dwarf_Attribute at; + int ret; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + ret = _dwarf_add_AT_dataref(dbg, die, attr, pc_value, sym_index, + NULL, &at, error); + if (ret != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); + +} + +Dwarf_P_Attribute +dwarf_add_AT_ref_address(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Unsigned pc_value, Dwarf_Unsigned sym_index, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->at_form = DW_FORM_ref_addr; + at->at_relsym = sym_index; + at->u[0].u64 = pc_value; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_unsigned_const(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Unsigned value, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->u[0].u64 = value; + + if (value <= UCHAR_MAX) + at->at_form = DW_FORM_data1; + else if (value <= USHRT_MAX) + at->at_form = DW_FORM_data2; + else if (value <= UINT_MAX) + at->at_form = DW_FORM_data4; + else + at->at_form = DW_FORM_data8; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_signed_const(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Signed value, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->u[0].u64 = value; + + if (value >= SCHAR_MIN && value <= SCHAR_MAX) + at->at_form = DW_FORM_data1; + else if (value >= SHRT_MIN && value <= SHRT_MAX) + at->at_form = DW_FORM_data2; + else if (value >= INT_MIN && value <= INT_MAX) + at->at_form = DW_FORM_data4; + else + at->at_form = DW_FORM_data8; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_reference(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_P_Die ref_die, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + if (dbg->dbg_offset_size == 4) + at->at_form = DW_FORM_ref4; + else + at->at_form = DW_FORM_ref8; + + at->at_refdie = ref_die; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_flag(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + Dwarf_Small flag, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + if (_dwarf_attr_alloc(die, &at, error) != DW_DLE_NONE) + return (DW_DLV_BADADDR); + + at->at_die = die; + at->at_attrib = attr; + at->at_form = DW_FORM_flag; + at->u[0].u64 = flag ? 1 : 0; + + STAILQ_INSERT_TAIL(&die->die_attr, at, at_next); + + return (at); +} + +Dwarf_P_Attribute +dwarf_add_AT_string(Dwarf_P_Debug dbg, Dwarf_P_Die die, Dwarf_Half attr, + char *string, Dwarf_Error *error) +{ + Dwarf_Attribute at; + + if (dbg == NULL || die == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_BADADDR); + } + + /* XXX Add DW_FORM_string style string instead? */ + + if (_dwarf_add_string_attr(die, &at, attr, string, error) != + DW_DLE_NONE) + return (DW_DLV_BADADDR); + + return (at); +} |