diff options
Diffstat (limited to 'bxgen.c')
| -rwxr-xr-x | bxgen.c | 126 |
1 files changed, 112 insertions, 14 deletions
@@ -663,7 +663,7 @@ void unit_proc_remove(Pool *pool, i64 unit, i64 proc) { Proc *p = &pool->entities[proc].proc; // TODO - // Implement large entities. + // Implement large entities. BX_ASSERT(p->index_in_unit != UNDEFINED); BX_ASSERT(u->procs[p->index_in_unit] == proc); @@ -1081,6 +1081,10 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data u16 strings_index; u64 strings_offset; + u64 symbol_names_offset; + u32 symbol_names_size; + b8 symbol_names_found = 0; + // ELF header // { @@ -1123,10 +1127,10 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data 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; + byte_count -= section_offset; current_offset += section_offset; - // Find offset to the string table data + // Find offset to the section name string table data // { i64 prev_offset = current_offset; @@ -1135,9 +1139,52 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data IO_SEEK_BEGIN, io_user_data); 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; + } + + // Find offset to the symbol string table data + // + { + i64 prev_offset = current_offset; + i64 prev_byte_count = byte_count; + + for (u16 i = 0; i < section_count; ++i) { + io_seek(f, + begin_offset + section_header_offset + i * 64, + IO_SEEK_BEGIN, io_user_data); + u32 name; + u64 offset; + u32 size; + + READ(name); + io_seek(f, 20, IO_SEEK_CURSOR, io_user_data); + READ(offset); + READ(size); + + // Search for the name in the string table + // + + io_seek(f, + begin_offset + strings_offset + name, + IO_SEEK_BEGIN, io_user_data); + + c8 buf[8]; + n = io_read(f, sizeof buf, buf, io_user_data); if (n == 0) break; + + if (!bx_str_eq(buf, ".strtab")) + continue; + + symbol_names_offset = offset; + symbol_names_size = size; + symbol_names_found = 1; + break; + } + io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data); current_offset = prev_offset; + byte_count = prev_byte_count; } } @@ -1189,11 +1236,11 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data begin_offset + strings_offset + name, IO_SEEK_BEGIN, io_user_data); - i32 m = 50; + i32 padding = 50; printf(" "); - for (;; --m) { + for (;; --padding) { c8 c; n = io_read(f, 1, &c, io_user_data); if (n == 0) break; if (c == '\0') @@ -1201,8 +1248,9 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data printf("%c", c); } - printf("%*s", m, ""); - + if (padding > 0) + printf("%*s", padding, ""); + io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data); current_offset = prev_offset; } @@ -1257,8 +1305,13 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data io_seek(f, begin_offset + offset, IO_SEEK_BEGIN, io_user_data); + current_offset = begin_offset + offset; + + printf("\n"); for (byte_count = size; byte_count > 0;) { + BX_ASSERT(symbol_names_found); + u32 sym_name; u8 sym_info; u8 sym_other; @@ -1273,23 +1326,67 @@ void unit_write(Pool *pool, i64 unit, u16 target, i64 io_out, void *io_user_data READ(sym_value); BX_ASSERT(n != 0); READ(sym_size); BX_ASSERT(n != 0); - printf(" %-4d %-5lld", sym_shndx, sym_value); - + printf(" "); + + if (sym_name != 0) { + if (sym_name < symbol_names_size) { + // Search for the symbol name in the string table + // + + i64 prev_offset = current_offset; + io_seek(f, + begin_offset + symbol_names_offset + sym_name, + IO_SEEK_BEGIN, io_user_data); + + i32 padding = 48; + + if ((sym_info & 0xf) == 1 || + (sym_info & 0xf) == 2) + printf("%s", "\x1b[32m"); + + printf("\""); + + for (;; --padding) { + c8 c; + n = io_read(f, 1, &c, io_user_data); if (n == 0) break; + if (c == '\0') + break; + printf("%c", c); + } + + printf("\""); + if ((sym_info & 0xf) == 1 || + (sym_info & 0xf) == 2) + printf("%s", "\x1b[37m"); + if (padding > 0) + printf("%*s", padding, ""); + + io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data); + current_offset = prev_offset; + } else + printf("%-50d", sym_name); + } else + printf("%*s", 50, ""); + + printf("%08llx ", sym_value); + printf("%-8s ", (sym_info & 0xf) <= 4 ? (c8 const *[]) { "No type", - "Object", + "Data", "Func", "Section", "File", }[sym_info & 0xf] : "" ); - + if (sym_size != 0) printf("- %lld bytes", sym_size); printf("\n"); } + printf("\n"); + io_seek(f, prev_offset, IO_SEEK_BEGIN, io_user_data); current_offset = prev_offset; byte_count = prev_byte_count; @@ -1375,7 +1472,8 @@ void bx_assert(b8 condition, c8 const *message, u32 line, c8 const *file) { if (condition) return; - fprintf(stderr, "\x1b[31mASSERTION:\x1b[37m `\x1b[33m%s\x1b[37m` is false in \x1b[36m%s:%d\x1b[37m\n", message, file, line); + fflush(stdout); + fprintf(stderr, "\r\x1b[31mASSERTION:\x1b[37m `\x1b[33m%s\x1b[37m` is false in \x1b[36m%s:%d\x1b[37m\n", message, file, line); exit(-1); } @@ -1571,7 +1669,7 @@ int main(int argc, char **argv) { printf("\nBye!\n"); return 0; -} +} #endif |