diff options
Diffstat (limited to 'dump.c')
| -rw-r--r-- | dump.c | 165 |
1 files changed, 82 insertions, 83 deletions
@@ -81,9 +81,10 @@ static int dump_cleanup(DumpState *s) return 0; } -static void dump_error(DumpState *s, const char *reason) +static void dump_error(DumpState *s, const char *reason, Error **errp) { dump_cleanup(s); + error_setg(errp, "%s", reason); } static int fd_write_vmcore(const void *buf, size_t size, void *opaque) @@ -99,7 +100,7 @@ static int fd_write_vmcore(const void *buf, size_t size, void *opaque) return 0; } -static int write_elf64_header(DumpState *s) +static int write_elf64_header(DumpState *s, Error **errp) { Elf64_Ehdr elf_header; int ret; @@ -126,14 +127,14 @@ static int write_elf64_header(DumpState *s) ret = fd_write_vmcore(&elf_header, sizeof(elf_header), s); if (ret < 0) { - dump_error(s, "dump: failed to write elf header.\n"); + dump_error(s, "dump: failed to write elf header", errp); return -1; } return 0; } -static int write_elf32_header(DumpState *s) +static int write_elf32_header(DumpState *s, Error **errp) { Elf32_Ehdr elf_header; int ret; @@ -160,7 +161,7 @@ static int write_elf32_header(DumpState *s) ret = fd_write_vmcore(&elf_header, sizeof(elf_header), s); if (ret < 0) { - dump_error(s, "dump: failed to write elf header.\n"); + dump_error(s, "dump: failed to write elf header", errp); return -1; } @@ -169,7 +170,7 @@ static int write_elf32_header(DumpState *s) static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping, int phdr_index, hwaddr offset, - hwaddr filesz) + hwaddr filesz, Error **errp) { Elf64_Phdr phdr; int ret; @@ -186,7 +187,7 @@ static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping, ret = fd_write_vmcore(&phdr, sizeof(Elf64_Phdr), s); if (ret < 0) { - dump_error(s, "dump: failed to write program header table.\n"); + dump_error(s, "dump: failed to write program header table", errp); return -1; } @@ -195,7 +196,7 @@ static int write_elf64_load(DumpState *s, MemoryMapping *memory_mapping, static int write_elf32_load(DumpState *s, MemoryMapping *memory_mapping, int phdr_index, hwaddr offset, - hwaddr filesz) + hwaddr filesz, Error **errp) { Elf32_Phdr phdr; int ret; @@ -212,14 +213,14 @@ static int write_elf32_load(DumpState *s, MemoryMapping *memory_mapping, ret = fd_write_vmcore(&phdr, sizeof(Elf32_Phdr), s); if (ret < 0) { - dump_error(s, "dump: failed to write program header table.\n"); + dump_error(s, "dump: failed to write program header table", errp); return -1; } return 0; } -static int write_elf64_note(DumpState *s) +static int write_elf64_note(DumpState *s, Error **errp) { Elf64_Phdr phdr; hwaddr begin = s->memory_offset - s->note_size; @@ -235,7 +236,7 @@ static int write_elf64_note(DumpState *s) ret = fd_write_vmcore(&phdr, sizeof(Elf64_Phdr), s); if (ret < 0) { - dump_error(s, "dump: failed to write program header table.\n"); + dump_error(s, "dump: failed to write program header table", errp); return -1; } @@ -247,7 +248,8 @@ static inline int cpu_index(CPUState *cpu) return cpu->cpu_index + 1; } -static int write_elf64_notes(WriteCoreDumpFunction f, DumpState *s) +static int write_elf64_notes(WriteCoreDumpFunction f, DumpState *s, + Error **errp) { CPUState *cpu; int ret; @@ -257,7 +259,7 @@ static int write_elf64_notes(WriteCoreDumpFunction f, DumpState *s) id = cpu_index(cpu); ret = cpu_write_elf64_note(f, cpu, id, s); if (ret < 0) { - dump_error(s, "dump: failed to write elf notes.\n"); + dump_error(s, "dump: failed to write elf notes", errp); return -1; } } @@ -265,7 +267,7 @@ static int write_elf64_notes(WriteCoreDumpFunction f, DumpState *s) CPU_FOREACH(cpu) { ret = cpu_write_elf64_qemunote(f, cpu, s); if (ret < 0) { - dump_error(s, "dump: failed to write CPU status.\n"); + dump_error(s, "dump: failed to write CPU status", errp); return -1; } } @@ -273,7 +275,7 @@ static int write_elf64_notes(WriteCoreDumpFunction f, DumpState *s) return 0; } -static int write_elf32_note(DumpState *s) +static int write_elf32_note(DumpState *s, Error **errp) { hwaddr begin = s->memory_offset - s->note_size; Elf32_Phdr phdr; @@ -289,14 +291,15 @@ static int write_elf32_note(DumpState *s) ret = fd_write_vmcore(&phdr, sizeof(Elf32_Phdr), s); if (ret < 0) { - dump_error(s, "dump: failed to write program header table.\n"); + dump_error(s, "dump: failed to write program header table", errp); return -1; } return 0; } -static int write_elf32_notes(WriteCoreDumpFunction f, DumpState *s) +static int write_elf32_notes(WriteCoreDumpFunction f, DumpState *s, + Error **errp) { CPUState *cpu; int ret; @@ -306,7 +309,7 @@ static int write_elf32_notes(WriteCoreDumpFunction f, DumpState *s) id = cpu_index(cpu); ret = cpu_write_elf32_note(f, cpu, id, s); if (ret < 0) { - dump_error(s, "dump: failed to write elf notes.\n"); + dump_error(s, "dump: failed to write elf notes", errp); return -1; } } @@ -314,7 +317,7 @@ static int write_elf32_notes(WriteCoreDumpFunction f, DumpState *s) CPU_FOREACH(cpu) { ret = cpu_write_elf32_qemunote(f, cpu, s); if (ret < 0) { - dump_error(s, "dump: failed to write CPU status.\n"); + dump_error(s, "dump: failed to write CPU status", errp); return -1; } } @@ -322,7 +325,7 @@ static int write_elf32_notes(WriteCoreDumpFunction f, DumpState *s) return 0; } -static int write_elf_section(DumpState *s, int type) +static int write_elf_section(DumpState *s, int type, Error **errp) { Elf32_Shdr shdr32; Elf64_Shdr shdr64; @@ -344,20 +347,20 @@ static int write_elf_section(DumpState *s, int type) ret = fd_write_vmcore(&shdr, shdr_size, s); if (ret < 0) { - dump_error(s, "dump: failed to write section header table.\n"); + dump_error(s, "dump: failed to write section header table", errp); return -1; } return 0; } -static int write_data(DumpState *s, void *buf, int length) +static int write_data(DumpState *s, void *buf, int length, Error **errp) { int ret; ret = fd_write_vmcore(buf, length, s); if (ret < 0) { - dump_error(s, "dump: failed to save memory.\n"); + dump_error(s, "dump: failed to save memory", errp); return -1; } @@ -366,14 +369,14 @@ static int write_data(DumpState *s, void *buf, int length) /* write the memroy to vmcore. 1 page per I/O. */ static int write_memory(DumpState *s, GuestPhysBlock *block, ram_addr_t start, - int64_t size) + int64_t size, Error **errp) { int64_t i; int ret; for (i = 0; i < size / TARGET_PAGE_SIZE; i++) { ret = write_data(s, block->host_addr + start + i * TARGET_PAGE_SIZE, - TARGET_PAGE_SIZE); + TARGET_PAGE_SIZE, errp); if (ret < 0) { return ret; } @@ -381,7 +384,7 @@ static int write_memory(DumpState *s, GuestPhysBlock *block, ram_addr_t start, if ((size % TARGET_PAGE_SIZE) != 0) { ret = write_data(s, block->host_addr + start + i * TARGET_PAGE_SIZE, - size % TARGET_PAGE_SIZE); + size % TARGET_PAGE_SIZE, errp); if (ret < 0) { return ret; } @@ -452,7 +455,7 @@ static void get_offset_range(hwaddr phys_addr, } } -static int write_elf_loads(DumpState *s) +static int write_elf_loads(DumpState *s, Error **errp) { hwaddr offset, filesz; MemoryMapping *memory_mapping; @@ -472,10 +475,10 @@ static int write_elf_loads(DumpState *s) s, &offset, &filesz); if (s->dump_info.d_class == ELFCLASS64) { ret = write_elf64_load(s, memory_mapping, phdr_index++, offset, - filesz); + filesz, errp); } else { ret = write_elf32_load(s, memory_mapping, phdr_index++, offset, - filesz); + filesz, errp); } if (ret < 0) { @@ -491,7 +494,7 @@ static int write_elf_loads(DumpState *s) } /* write elf header, PT_NOTE and elf note to vmcore. */ -static int dump_begin(DumpState *s) +static int dump_begin(DumpState *s, Error **errp) { int ret; @@ -521,9 +524,9 @@ static int dump_begin(DumpState *s) /* write elf header to vmcore */ if (s->dump_info.d_class == ELFCLASS64) { - ret = write_elf64_header(s); + ret = write_elf64_header(s, errp); } else { - ret = write_elf32_header(s); + ret = write_elf32_header(s, errp); } if (ret < 0) { return -1; @@ -531,47 +534,47 @@ static int dump_begin(DumpState *s) if (s->dump_info.d_class == ELFCLASS64) { /* write PT_NOTE to vmcore */ - if (write_elf64_note(s) < 0) { + if (write_elf64_note(s, errp) < 0) { return -1; } /* write all PT_LOAD to vmcore */ - if (write_elf_loads(s) < 0) { + if (write_elf_loads(s, errp) < 0) { return -1; } /* write section to vmcore */ if (s->have_section) { - if (write_elf_section(s, 1) < 0) { + if (write_elf_section(s, 1, errp) < 0) { return -1; } } /* write notes to vmcore */ - if (write_elf64_notes(fd_write_vmcore, s) < 0) { + if (write_elf64_notes(fd_write_vmcore, s, errp) < 0) { return -1; } } else { /* write PT_NOTE to vmcore */ - if (write_elf32_note(s) < 0) { + if (write_elf32_note(s, errp) < 0) { return -1; } /* write all PT_LOAD to vmcore */ - if (write_elf_loads(s) < 0) { + if (write_elf_loads(s, errp) < 0) { return -1; } /* write section to vmcore */ if (s->have_section) { - if (write_elf_section(s, 0) < 0) { + if (write_elf_section(s, 0, errp) < 0) { return -1; } } /* write notes to vmcore */ - if (write_elf32_notes(fd_write_vmcore, s) < 0) { + if (write_elf32_notes(fd_write_vmcore, s, errp) < 0) { return -1; } } @@ -614,7 +617,7 @@ static int get_next_block(DumpState *s, GuestPhysBlock *block) } /* write all memory to vmcore */ -static int dump_iterate(DumpState *s) +static int dump_iterate(DumpState *s, Error **errp) { GuestPhysBlock *block; int64_t size; @@ -630,7 +633,7 @@ static int dump_iterate(DumpState *s) size -= block->target_end - (s->begin + s->length); } } - ret = write_memory(s, block, s->start, size); + ret = write_memory(s, block, s->start, size, errp); if (ret == -1) { return ret; } @@ -643,16 +646,16 @@ static int dump_iterate(DumpState *s) } } -static int create_vmcore(DumpState *s) +static int create_vmcore(DumpState *s, Error **errp) { int ret; - ret = dump_begin(s); + ret = dump_begin(s, errp); if (ret < 0) { return -1; } - ret = dump_iterate(s); + ret = dump_iterate(s, errp); if (ret < 0) { return -1; } @@ -738,7 +741,7 @@ static int buf_write_note(const void *buf, size_t size, void *opaque) } /* write common header, sub header and elf note to vmcore */ -static int create_header32(DumpState *s) +static int create_header32(DumpState *s, Error **errp) { int ret = 0; DiskDumpHeader32 *dh = NULL; @@ -784,7 +787,7 @@ static int create_header32(DumpState *s) dh->status = cpu_to_dump32(s, status); if (write_buffer(s->fd, 0, dh, size) < 0) { - dump_error(s, "dump: failed to write disk dump header.\n"); + dump_error(s, "dump: failed to write disk dump header", errp); ret = -1; goto out; } @@ -804,7 +807,7 @@ static int create_header32(DumpState *s) if (write_buffer(s->fd, DISKDUMP_HEADER_BLOCKS * block_size, kh, size) < 0) { - dump_error(s, "dump: failed to write kdump sub header.\n"); + dump_error(s, "dump: failed to write kdump sub header", errp); ret = -1; goto out; } @@ -814,14 +817,14 @@ static int create_header32(DumpState *s) s->note_buf_offset = 0; /* use s->note_buf to store notes temporarily */ - if (write_elf32_notes(buf_write_note, s) < 0) { + if (write_elf32_notes(buf_write_note, s, errp) < 0) { ret = -1; goto out; } if (write_buffer(s->fd, offset_note, s->note_buf, s->note_size) < 0) { - dump_error(s, "dump: failed to write notes"); + dump_error(s, "dump: failed to write notes", errp); ret = -1; goto out; } @@ -843,7 +846,7 @@ out: } /* write common header, sub header and elf note to vmcore */ -static int create_header64(DumpState *s) +static int create_header64(DumpState *s, Error **errp) { int ret = 0; DiskDumpHeader64 *dh = NULL; @@ -889,7 +892,7 @@ static int create_header64(DumpState *s) dh->status = cpu_to_dump32(s, status); if (write_buffer(s->fd, 0, dh, size) < 0) { - dump_error(s, "dump: failed to write disk dump header.\n"); + dump_error(s, "dump: failed to write disk dump header", errp); ret = -1; goto out; } @@ -909,7 +912,7 @@ static int create_header64(DumpState *s) if (write_buffer(s->fd, DISKDUMP_HEADER_BLOCKS * block_size, kh, size) < 0) { - dump_error(s, "dump: failed to write kdump sub header.\n"); + dump_error(s, "dump: failed to write kdump sub header", errp); ret = -1; goto out; } @@ -919,14 +922,14 @@ static int create_header64(DumpState *s) s->note_buf_offset = 0; /* use s->note_buf to store notes temporarily */ - if (write_elf64_notes(buf_write_note, s) < 0) { + if (write_elf64_notes(buf_write_note, s, errp) < 0) { ret = -1; goto out; } if (write_buffer(s->fd, offset_note, s->note_buf, s->note_size) < 0) { - dump_error(s, "dump: failed to write notes"); + dump_error(s, "dump: failed to write notes", errp); ret = -1; goto out; } @@ -947,12 +950,12 @@ out: return ret; } -static int write_dump_header(DumpState *s) +static int write_dump_header(DumpState *s, Error **errp) { if (s->dump_info.d_class == ELFCLASS32) { - return create_header32(s); + return create_header32(s, errp); } else { - return create_header64(s); + return create_header64(s, errp); } } @@ -1066,7 +1069,7 @@ static bool get_next_page(GuestPhysBlock **blockptr, uint64_t *pfnptr, return true; } -static int write_dump_bitmap(DumpState *s) +static int write_dump_bitmap(DumpState *s, Error **errp) { int ret = 0; uint64_t last_pfn, pfn; @@ -1087,7 +1090,7 @@ static int write_dump_bitmap(DumpState *s) while (get_next_page(&block_iter, &pfn, NULL, s)) { ret = set_dump_bitmap(last_pfn, pfn, true, dump_bitmap_buf, s); if (ret < 0) { - dump_error(s, "dump: failed to set dump_bitmap.\n"); + dump_error(s, "dump: failed to set dump_bitmap", errp); ret = -1; goto out; } @@ -1105,7 +1108,7 @@ static int write_dump_bitmap(DumpState *s) ret = set_dump_bitmap(last_pfn, last_pfn + PFN_BUFBITMAP, false, dump_bitmap_buf, s); if (ret < 0) { - dump_error(s, "dump: failed to sync dump_bitmap.\n"); + dump_error(s, "dump: failed to sync dump_bitmap", errp); ret = -1; goto out; } @@ -1197,7 +1200,7 @@ static inline bool is_zero_page(const uint8_t *buf, size_t page_size) return buffer_is_zero(buf, page_size); } -static int write_dump_pages(DumpState *s) +static int write_dump_pages(DumpState *s, Error **errp) { int ret = 0; DataCache page_desc, page_data; @@ -1241,7 +1244,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_data, buf, TARGET_PAGE_SIZE, false); g_free(buf); if (ret < 0) { - dump_error(s, "dump: failed to write page data(zero page).\n"); + dump_error(s, "dump: failed to write page data (zero page)", errp); goto out; } @@ -1257,7 +1260,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_desc, &pd_zero, sizeof(PageDescriptor), false); if (ret < 0) { - dump_error(s, "dump: failed to write page desc.\n"); + dump_error(s, "dump: failed to write page desc", errp); goto out; } } else { @@ -1282,7 +1285,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_data, buf_out, size_out, false); if (ret < 0) { - dump_error(s, "dump: failed to write page data.\n"); + dump_error(s, "dump: failed to write page data", errp); goto out; } #ifdef CONFIG_LZO @@ -1295,7 +1298,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_data, buf_out, size_out, false); if (ret < 0) { - dump_error(s, "dump: failed to write page data.\n"); + dump_error(s, "dump: failed to write page data", errp); goto out; } #endif @@ -1309,7 +1312,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_data, buf_out, size_out, false); if (ret < 0) { - dump_error(s, "dump: failed to write page data.\n"); + dump_error(s, "dump: failed to write page data", errp); goto out; } #endif @@ -1324,7 +1327,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_data, buf, TARGET_PAGE_SIZE, false); if (ret < 0) { - dump_error(s, "dump: failed to write page data.\n"); + dump_error(s, "dump: failed to write page data", errp); goto out; } } @@ -1336,7 +1339,7 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_desc, &pd, sizeof(PageDescriptor), false); if (ret < 0) { - dump_error(s, "dump: failed to write page desc.\n"); + dump_error(s, "dump: failed to write page desc", errp); goto out; } } @@ -1344,12 +1347,12 @@ static int write_dump_pages(DumpState *s) ret = write_cache(&page_desc, NULL, 0, true); if (ret < 0) { - dump_error(s, "dump: failed to sync cache for page_desc.\n"); + dump_error(s, "dump: failed to sync cache for page_desc", errp); goto out; } ret = write_cache(&page_data, NULL, 0, true); if (ret < 0) { - dump_error(s, "dump: failed to sync cache for page_data.\n"); + dump_error(s, "dump: failed to sync cache for page_data", errp); goto out; } @@ -1366,7 +1369,7 @@ out: return ret; } -static int create_kdump_vmcore(DumpState *s) +static int create_kdump_vmcore(DumpState *s, Error **errp) { int ret; @@ -1394,28 +1397,28 @@ static int create_kdump_vmcore(DumpState *s) ret = write_start_flat_header(s->fd); if (ret < 0) { - dump_error(s, "dump: failed to write start flat header.\n"); + dump_error(s, "dump: failed to write start flat header", errp); return -1; } - ret = write_dump_header(s); + ret = write_dump_header(s, errp); if (ret < 0) { return -1; } - ret = write_dump_bitmap(s); + ret = write_dump_bitmap(s, errp); if (ret < 0) { return -1; } - ret = write_dump_pages(s); + ret = write_dump_pages(s, errp); if (ret < 0) { return -1; } ret = write_end_flat_header(s->fd); if (ret < 0) { - dump_error(s, "dump: failed to write end flat header.\n"); + dump_error(s, "dump: failed to write end flat header", errp); return -1; } @@ -1699,13 +1702,9 @@ void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin, } if (has_format && format != DUMP_GUEST_MEMORY_FORMAT_ELF) { - if (create_kdump_vmcore(s) < 0) { - error_set(errp, QERR_IO_ERROR); - } + create_kdump_vmcore(s, errp); } else { - if (create_vmcore(s) < 0) { - error_set(errp, QERR_IO_ERROR); - } + create_vmcore(s, errp); } g_free(s); |