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s390x/arch_dump: also dump guarded storage control block 

Write the new note section of type 30b (guarded storage control block).

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Christian Borntraeger 2017-03-08 10:36:04 +01:00
parent 62deb62d99
commit 21a106904b
2 changed files with 19 additions and 0 deletions
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1
include/elf.h
View File

@ -1476,6 +1476,7 @@ typedef struct elf64_shdr {
#define NT_TASKSTRUCT 4
#define NT_AUXV 6
#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */
#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 (lower half) */
#define NT_S390_PREFIX 0x305 /* s390 prefix register */

18
target/s390x/arch_dump.c
View File

@ -57,6 +57,12 @@ struct S390xElfVregsHiStruct {
typedef struct S390xElfVregsHiStruct S390xElfVregsHi;
struct S390xElfGSCBStruct {
uint64_t gsregs[4];
} QEMU_PACKED;
typedef struct S390xElfGSCBStruct S390xElfGSCB;
typedef struct noteStruct {
Elf64_Nhdr hdr;
char name[8];
@ -65,6 +71,7 @@ typedef struct noteStruct {
S390xElfFpregset fpregset;
S390xElfVregsLo vregslo;
S390xElfVregsHi vregshi;
S390xElfGSCB gscb;
uint32_t prefix;
uint64_t timer;
uint64_t todcmp;
@ -126,6 +133,16 @@ static void s390x_write_elf64_vregshi(Note *note, S390CPU *cpu, int id)
}
}
static void s390x_write_elf64_gscb(Note *note, S390CPU *cpu, int id)
{
int i;
note->hdr.n_type = cpu_to_be32(NT_S390_GS_CB);
for (i = 0; i < 4; i++) {
note->contents.gscb.gsregs[i] = cpu_to_be64(cpu->env.gscb[i]);
}
}
static void s390x_write_elf64_timer(Note *note, S390CPU *cpu, int id)
{
note->hdr.n_type = cpu_to_be32(NT_S390_TIMER);
@ -181,6 +198,7 @@ static const NoteFuncDesc note_linux[] = {
{sizeof(((Note *)0)->contents.todpreg), s390x_write_elf64_todpreg},
{sizeof(((Note *)0)->contents.vregslo), s390x_write_elf64_vregslo},
{sizeof(((Note *)0)->contents.vregshi), s390x_write_elf64_vregshi},
{sizeof(((Note *)0)->contents.gscb), s390x_write_elf64_gscb},
{ 0, NULL}
};