diff options
Diffstat (limited to 'rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_lineno.c')
| -rw-r--r-- | rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_lineno.c | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_lineno.c b/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_lineno.c new file mode 100644 index 0000000..91e40ee --- /dev/null +++ b/rtemstoolkit/elftoolchain/libdwarf/dwarf_pro_lineno.c @@ -0,0 +1,187 @@ +/*- + * Copyright (c) 2010 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_lineno.c 2973 2013-12-23 06:46:16Z kaiwang27 $"); + +Dwarf_Unsigned +dwarf_add_line_entry(Dwarf_P_Debug dbg, Dwarf_Unsigned file, + Dwarf_Addr off, Dwarf_Unsigned lineno, Dwarf_Signed column, + Dwarf_Bool is_stmt, Dwarf_Bool basic_block, Dwarf_Error *error) +{ + Dwarf_LineInfo li; + Dwarf_Line ln; + + if (dbg == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + li = dbg->dbgp_lineinfo; + + ln = STAILQ_LAST(&li->li_lnlist, _Dwarf_Line, ln_next); + + if (ln == NULL || ln->ln_addr > off) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + if ((ln = calloc(1, sizeof(struct _Dwarf_Line))) == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLV_NOCOUNT); + } + ln->ln_li = li; + ln->ln_addr = off; + ln->ln_symndx = 0; + ln->ln_fileno = file; + ln->ln_lineno = lineno; + ln->ln_column = column; + ln->ln_bblock = basic_block != 0; + ln->ln_stmt = is_stmt != 0; + ln->ln_endseq = 0; + STAILQ_INSERT_TAIL(&li->li_lnlist, ln, ln_next); + li->li_lnlen++; + + return (DW_DLV_OK); +} + +Dwarf_Unsigned +dwarf_lne_set_address(Dwarf_P_Debug dbg, Dwarf_Addr offs, Dwarf_Unsigned symndx, + Dwarf_Error *error) +{ + Dwarf_LineInfo li; + Dwarf_Line ln; + + if (dbg == NULL || symndx == 0) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + li = dbg->dbgp_lineinfo; + + if ((ln = calloc(1, sizeof(struct _Dwarf_Line))) == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLV_NOCOUNT); + } + ln->ln_li = li; + ln->ln_addr = offs; + ln->ln_symndx = symndx; + STAILQ_INSERT_TAIL(&li->li_lnlist, ln, ln_next); + li->li_lnlen++; + + return (DW_DLV_OK); +} + +Dwarf_Unsigned +dwarf_lne_end_sequence(Dwarf_P_Debug dbg, Dwarf_Addr addr, Dwarf_Error *error) +{ + Dwarf_LineInfo li; + Dwarf_Line ln; + + if (dbg == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + li = dbg->dbgp_lineinfo; + + ln = STAILQ_LAST(&li->li_lnlist, _Dwarf_Line, ln_next); + if (ln && ln->ln_addr >= addr) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + if ((ln = calloc(1, sizeof(struct _Dwarf_Line))) == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLV_NOCOUNT); + } + ln->ln_li = li; + ln->ln_addr = addr; + ln->ln_endseq = 1; + STAILQ_INSERT_TAIL(&li->li_lnlist, ln, ln_next); + li->li_lnlen++; + + return (DW_DLV_OK); +} + +Dwarf_Unsigned +dwarf_add_directory_decl(Dwarf_P_Debug dbg, char *name, Dwarf_Error *error) +{ + Dwarf_LineInfo li; + + if (dbg == NULL || name == NULL || strlen(name) == 0) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + li = dbg->dbgp_lineinfo; + + li->li_incdirs = realloc(li->li_incdirs, (li->li_inclen + 1) * + sizeof(char *)); + if (li->li_incdirs == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLV_NOCOUNT); + } + if ((li->li_incdirs[li->li_inclen] = strdup(name)) == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLV_NOCOUNT); + } + + return (++li->li_inclen); +} + +Dwarf_Unsigned +dwarf_add_file_decl(Dwarf_P_Debug dbg, char *name, Dwarf_Unsigned dirndx, + Dwarf_Unsigned mtime, Dwarf_Unsigned size, Dwarf_Error *error) +{ + Dwarf_LineInfo li; + Dwarf_LineFile lf; + + if (dbg == NULL || name == NULL || strlen(name) == 0) { + DWARF_SET_ERROR(dbg, error, DW_DLE_ARGUMENT); + return (DW_DLV_NOCOUNT); + } + + li = dbg->dbgp_lineinfo; + + if ((lf = malloc(sizeof(struct _Dwarf_LineFile))) == NULL) { + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLE_MEMORY); + } + + if ((lf->lf_fname = strdup(name)) == NULL) { + free(lf); + DWARF_SET_ERROR(dbg, error, DW_DLE_MEMORY); + return (DW_DLE_MEMORY); + } + lf->lf_dirndx = dirndx; + lf->lf_mtime = mtime; + lf->lf_size = size; + STAILQ_INSERT_TAIL(&li->li_lflist, lf, lf_next); + + return (++li->li_lflen); +} |