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dump: Add architecture section and section string table support

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Add hooks which architectures can use to add arbitrary data to custom
sections.

Also add a section name string table in order to identify section
contents

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221017113210.41674-1-frankja@linux.ibm.com>
This commit is contained in:
Janosch Frank 2022-10-17 11:32:10 +00:00 • committed by Marc-André Lureau
parent 13fd417ddc
commit 9b72224f44
3 changed files with 168 additions and 28 deletions
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3
include/sysemu/dump-arch.h
View file

@ -21,6 +21,9 @@ typedef struct ArchDumpInfo {
uint32_t page_size; /* The target's page size. If it's variable and
* unknown, then this should be the maximum. */
uint64_t phys_base; /* The target's physmem base. */
void (*arch_sections_add_fn)(DumpState *s);
uint64_t (*arch_sections_write_hdr_fn)(DumpState *s, uint8_t *buff);
int (*arch_sections_write_fn)(DumpState *s, uint8_t *buff);
} ArchDumpInfo;
struct GuestPhysBlockList; /* memory_mapping.h */

3
include/sysemu/dump.h
View file

@ -180,6 +180,9 @@ typedef struct DumpState {
hwaddr note_offset;
void *elf_section_hdrs; /* Pointer to section header buffer */
void *elf_section_data; /* Pointer to section data buffer */
uint64_t elf_section_data_size; /* Size of section data */
GArray *string_table_buf; /* String table data buffer */
uint8_t *note_buf; /* buffer for notes */
size_t note_buf_offset; /* the writing place in note_buf */