diff options
Diffstat (limited to 'src/readelf.c')
| -rw-r--r-- | src/readelf.c | 95 |
1 files changed, 79 insertions, 16 deletions
diff --git a/src/readelf.c b/src/readelf.c index 204aeecb..885276c5 100644 --- a/src/readelf.c +++ b/src/readelf.c @@ -7361,7 +7361,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), // Version 4 is the GNU extension for DWARF4. DWARF5 will use version // 5 when it gets standardized. - if (vers != 4) + if (vers != 4 && vers != 5) { printf (gettext (" unknown version, cannot parse section\n")); return; @@ -7385,7 +7385,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), line_offset); } - const unsigned char *vendor[DW_MACRO_GNU_hi_user - DW_MACRO_GNU_lo_user]; + const unsigned char *vendor[DW_MACRO_hi_user - DW_MACRO_lo_user]; memset (vendor, 0, sizeof vendor); if (flag & 0x04) { @@ -7402,12 +7402,12 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), goto invalid_data; unsigned int opcode = *readp++; printf (gettext (" [%" PRIx8 "]"), opcode); - if (opcode < DW_MACRO_GNU_lo_user - || opcode > DW_MACRO_GNU_hi_user) + if (opcode < DW_MACRO_lo_user + || opcode > DW_MACRO_hi_user) goto invalid_data; // Record the start of description for this vendor opcode. // uleb128 nr args, 1 byte per arg form. - vendor[opcode - DW_MACRO_GNU_lo_user] = readp; + vendor[opcode - DW_MACRO_lo_user] = readp; if (readp + 1 > readendp) goto invalid_data; unsigned int args = *readp++; @@ -7460,7 +7460,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), switch (opcode) { - case DW_MACRO_GNU_start_file: + case DW_MACRO_start_file: get_uleb128 (u128, readp, readendp); if (readp >= readendp) goto invalid_data; @@ -7490,12 +7490,12 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), ++level; break; - case DW_MACRO_GNU_end_file: + case DW_MACRO_end_file: --level; printf ("%*send_file\n", level, ""); break; - case DW_MACRO_GNU_define: + case DW_MACRO_define: get_uleb128 (u128, readp, readendp); endp = memchr (readp, '\0', readendp - readp); if (endp == NULL) @@ -7505,7 +7505,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), readp = endp + 1; break; - case DW_MACRO_GNU_undef: + case DW_MACRO_undef: get_uleb128 (u128, readp, readendp); endp = memchr (readp, '\0', readendp - readp); if (endp == NULL) @@ -7515,7 +7515,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), readp = endp + 1; break; - case DW_MACRO_GNU_define_indirect: + case DW_MACRO_define_strp: get_uleb128 (u128, readp, readendp); if (readp + offset_len > readendp) goto invalid_data; @@ -7527,7 +7527,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), level, "", dwarf_getstring (dbg, off, NULL), u128); break; - case DW_MACRO_GNU_undef_indirect: + case DW_MACRO_undef_strp: get_uleb128 (u128, readp, readendp); if (readp + offset_len > readendp) goto invalid_data; @@ -7539,7 +7539,7 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), level, "", dwarf_getstring (dbg, off, NULL), u128); break; - case DW_MACRO_GNU_transparent_include: + case DW_MACRO_import: if (readp + offset_len > readendp) goto invalid_data; if (offset_len == 8) @@ -7550,15 +7550,78 @@ print_debug_macro_section (Dwfl_Module *dwflmod __attribute__ ((unused)), level, "", off); break; + case DW_MACRO_define_sup: + get_uleb128 (u128, readp, readendp); + if (readp + offset_len > readendp) + goto invalid_data; + if (offset_len == 8) + off = read_8ubyte_unaligned_inc (dbg, readp); + else + off = read_4ubyte_unaligned_inc (dbg, readp); + // Needs support for reading from supplementary object file. + printf ("%*s#define <str-at-0x%" PRIx64 ">, line %u (sup)\n", + level, "", off, u128); + break; + + case DW_MACRO_undef_sup: + get_uleb128 (u128, readp, readendp); + if (readp + offset_len > readendp) + goto invalid_data; + if (offset_len == 8) + off = read_8ubyte_unaligned_inc (dbg, readp); + else + off = read_4ubyte_unaligned_inc (dbg, readp); + // Needs support for reading from supplementary object file. + printf ("%*s#undef <str-at-0x%" PRIx64 ">, line %u (sup)\n", + level, "", off, u128); + break; + + case DW_MACRO_import_sup: + if (readp + offset_len > readendp) + goto invalid_data; + if (offset_len == 8) + off = read_8ubyte_unaligned_inc (dbg, readp); + else + off = read_4ubyte_unaligned_inc (dbg, readp); + printf ("%*s#include offset 0x%" PRIx64 " (sup)\n", + level, "", off); + break; + + case DW_MACRO_define_strx: + get_uleb128 (u128, readp, readendp); + if (readp + offset_len > readendp) + goto invalid_data; + if (offset_len == 8) + off = read_8ubyte_unaligned_inc (dbg, readp); + else + off = read_4ubyte_unaligned_inc (dbg, readp); + // Needs support for reading indirect string offset table + printf ("%*s#define <str-at-0x%" PRIx64 ">, line %u (strx)\n", + level, "", off, u128); + break; + + case DW_MACRO_undef_strx: + get_uleb128 (u128, readp, readendp); + if (readp + offset_len > readendp) + goto invalid_data; + if (offset_len == 8) + off = read_8ubyte_unaligned_inc (dbg, readp); + else + off = read_4ubyte_unaligned_inc (dbg, readp); + // Needs support for reading indirect string offset table. + printf ("%*s#undef <str-at-0x%" PRIx64 ">, line %u (strx)\n", + level, "", off, u128); + break; + default: printf ("%*svendor opcode 0x%" PRIx8, level, "", opcode); - if (opcode < DW_MACRO_GNU_lo_user - || opcode > DW_MACRO_GNU_lo_user - || vendor[opcode - DW_MACRO_GNU_lo_user] == NULL) + if (opcode < DW_MACRO_lo_user + || opcode > DW_MACRO_lo_user + || vendor[opcode - DW_MACRO_lo_user] == NULL) goto invalid_data; const unsigned char *op_desc; - op_desc = vendor[opcode - DW_MACRO_GNU_lo_user]; + op_desc = vendor[opcode - DW_MACRO_lo_user]; // Just skip the arguments, we cannot really interpret them, // but print as much as we can. |