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Teach libdwarf about the DW_FORM_flag_present dwarf attribute, so
programs using libdwarf (such as ctfconvert) don't error out on files containing the attribute. MFC after: 2 weeks
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parent
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commit
1c7dd55c33
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=239872
@ -184,6 +184,7 @@
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#define DW_FORM_ref8 0x14
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#define DW_FORM_ref_udata 0x15
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#define DW_FORM_indirect 0x16
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#define DW_FORM_flag_present 0x19
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#define DW_OP_addr 0x03
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#define DW_OP_deref 0x06
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@ -101,6 +101,7 @@ dwarf_attrval_flag(Dwarf_Die die, uint64_t attr, Dwarf_Bool *valp, Dwarf_Error *
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} else {
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switch (av->av_form) {
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case DW_FORM_flag:
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case DW_FORM_flag_present:
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*valp = (Dwarf_Bool) av->u[0].u64;
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break;
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default:
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@ -240,6 +240,8 @@ get_form_desc(uint32_t form)
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return "DW_FORM_data8";
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case DW_FORM_flag:
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return "DW_FORM_flag";
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case DW_FORM_flag_present:
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return "DW_FORM_flag_present";
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case DW_FORM_indirect:
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return "DW_FORM_indirect";
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case DW_FORM_ref1:
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@ -648,6 +650,7 @@ dwarf_dump_av(Dwarf_Die die, Dwarf_AttrValue av)
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case DW_FORM_data4:
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case DW_FORM_data8:
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case DW_FORM_flag:
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case DW_FORM_flag_present:
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printf("%llu", (unsigned long long) av->u[0].u64);
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break;
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case DW_FORM_ref1:
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@ -396,6 +396,10 @@ dwarf_init_attr(Dwarf_Debug dbg, Elf_Data **dp, uint64_t *offsetp,
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avref.u[1].s = elf_strptr(dbg->dbg_elf,
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dbg->dbg_s[DWARF_debug_str].s_shnum, avref.u[0].u64);
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break;
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case DW_FORM_flag_present:
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/* This form has no value encoded in the DIE. */
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avref.u[0].u64 = 1;
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break;
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default:
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DWARF_SET_ERROR(error, DWARF_E_NOT_IMPLEMENTED);
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ret = DWARF_E_NOT_IMPLEMENTED;
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