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-rwxr-xr-xbxgen.c101
1 files changed, 66 insertions, 35 deletions
diff --git a/bxgen.c b/bxgen.c
index cdade85..6987216 100755
--- a/bxgen.c
+++ b/bxgen.c
@@ -951,9 +951,10 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data
byte_count -= n; \
} while (0)
- i64 section_offset;
+ u64 section_header_offset;
u16 section_count;
u16 strings_index;
+ u64 strings_offset;
// ELF header
//
@@ -963,7 +964,6 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data
u32 ver;
u64 entry;
u64 program_header_offset;
- u64 section_header_offset;
u32 flags;
u16 elf_header_size;
u16 program_header_size;
@@ -995,14 +995,26 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data
assert(program_header_count == 0);
assert(section_header_size == 64);
- section_offset = section_header_offset - (current_offset - begin_offset);
- }
+ u64 section_offset = section_header_offset - (current_offset - begin_offset);
+
+ io_seek(f, section_offset, IO_SEEK_CURSOR, io_user_data);
+ byte_count -= section_offset;
+ current_offset += section_offset;
- // TODO read string table
+ // Fild offset to section names string table data
+ //
+ {
+ i64 prev_offset = current_offset;
+ io_seek(f,
+ begin_offset + section_header_offset + strings_index * 64 + 24,
+ IO_SEEK_BEGIN, io_user_data);
- io_seek(f, section_offset, IO_SEEK_CURSOR, io_user_data);
- byte_count -= section_offset;
- current_offset += section_offset;
+ n = io_read(f, 8, &strings_offset, io_user_data); if (n == 0) break;
+
+ io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data);
+ current_offset = prev_offset;
+ }
+ }
for (u16 i = 0; i < section_count; ++i) {
u32 name;
@@ -1027,45 +1039,64 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data
READ(addralign);
READ(entsize);
- printf("[%2d] %-3d", i, name);
-
- if ((flags & 4) == 4)
- printf(" Executable");
+ // Search for the name in the string table
+ //
+ {
+ i64 prev_offset = current_offset;
+ io_seek(f,
+ begin_offset + strings_offset + name,
+ IO_SEEK_BEGIN, io_user_data);
- if (type == 2)
- printf(" Symbols");
+ i32 m = 50;
- if (type == 3) {
- printf(" String table");
- if (i == strings_index)
- printf(" - section names");
- printf("\n\n ");
+ printf(" ");
- i64 prev_offset = current_offset;
- io_seek(f, begin_offset + offset, IO_SEEK_BEGIN, io_user_data);
-
- static c8 buf[10000] = { 0 };
- assert(size < sizeof buf);
- n = io_read(f, size, buf, io_user_data); if (n == 0) break;
-
- for (u64 j = 1; j < size; ++j) {
- if (buf[j - 1] == '\0')
- printf("%-3lld : ", j);
- if (buf[j] != '\0')
- printf("%c", buf[j]);
- else if (buf[j - 1] == '\0')
- printf("<EMPTY>\n ");
- else
- printf("\n ");
+ for (;; --m) {
+ c8 c;
+ n = io_read(f, 1, &c, io_user_data); if (n == 0) break;
+ if (c == '\0')
+ break;
+ printf("%c", c);
}
+ printf("%*s", m, "");
+
io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data);
current_offset = prev_offset;
}
+ printf("%-18s", type >= 1 && type <= 17 ? (c8 const *[]) {
+ "Program data",
+ "Symbols",
+ "String table",
+ "Rel width addends",
+ "Dynamic",
+ "Note",
+ "Zero",
+ "Rel",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "Group",
+ }[type - 1] : "");
+
+ if ((flags & 1) == 1)
+ printf(" Writable");
+ if ((flags & 2) == 2)
+ printf(" Alloc");
+ if ((flags & 4) == 4)
+ printf(" Executable");
+
printf("\n");
}
+ printf("\n");
+
io_seek(f, byte_count, IO_SEEK_CURSOR, io_user_data);
current_offset += byte_count;