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s390x: Add vector registers to ELF dump

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Create ELF notes for the vector registers where applicable, so that
their contents can be examined by utilities such as crash or readelf.

Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Eric Farman 2014-05-29 14:54:26 -04:00 committed by Cornelia Huck
parent eeef559ab4
commit 3ceeb2930f
1 changed files with 39 additions and 0 deletions
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39
target-s390x/arch_dump.c
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@ -44,6 +44,18 @@ struct S390xElfFpregsetStruct {
typedef struct S390xElfFpregsetStruct S390xElfFpregset; typedef struct S390xElfFpregsetStruct S390xElfFpregset;
struct S390xElfVregsLoStruct {
uint64_t vregs[16];
} QEMU_PACKED;
typedef struct S390xElfVregsLoStruct S390xElfVregsLo;
struct S390xElfVregsHiStruct {
uint64_t vregs[16][2];
} QEMU_PACKED;
typedef struct S390xElfVregsHiStruct S390xElfVregsHi;
typedef struct noteStruct { typedef struct noteStruct {
Elf64_Nhdr hdr; Elf64_Nhdr hdr;
char name[5]; char name[5];
@ -51,6 +63,8 @@ typedef struct noteStruct {
union { union {
S390xElfPrstatus prstatus; S390xElfPrstatus prstatus;
S390xElfFpregset fpregset; S390xElfFpregset fpregset;
S390xElfVregsLo vregslo;
S390xElfVregsHi vregshi;
uint32_t prefix; uint32_t prefix;
uint64_t timer; uint64_t timer;
uint64_t todcmp; uint64_t todcmp;
@ -87,6 +101,29 @@ static void s390x_write_elf64_fpregset(Note *note, S390CPU *cpu)
} }
} }
static void s390x_write_elf64_vregslo(Note *note, S390CPU *cpu)
{
int i;
note->hdr.n_type = cpu_to_be32(NT_S390_VXRS_LOW);
for (i = 0; i <= 15; i++) {
note->contents.vregslo.vregs[i] = cpu_to_be64(cpu->env.vregs[i][1].ll);
}
}
static void s390x_write_elf64_vregshi(Note *note, S390CPU *cpu)
{
int i;
S390xElfVregsHi *temp_vregshi;
temp_vregshi = &note->contents.vregshi;
note->hdr.n_type = cpu_to_be32(NT_S390_VXRS_HIGH);
for (i = 0; i <= 15; i++) {
temp_vregshi->vregs[i][0] = cpu_to_be64(cpu->env.vregs[i + 16][0].ll);
temp_vregshi->vregs[i][1] = cpu_to_be64(cpu->env.vregs[i + 16][1].ll);
}
}
static void s390x_write_elf64_timer(Note *note, S390CPU *cpu) static void s390x_write_elf64_timer(Note *note, S390CPU *cpu)
{ {
@ -135,6 +172,8 @@ static const struct NoteFuncDescStruct {
{sizeof(((Note *)0)->contents.timer), s390x_write_elf64_timer}, {sizeof(((Note *)0)->contents.timer), s390x_write_elf64_timer},
{sizeof(((Note *)0)->contents.todcmp), s390x_write_elf64_todcmp}, {sizeof(((Note *)0)->contents.todcmp), s390x_write_elf64_todcmp},
{sizeof(((Note *)0)->contents.todpreg), s390x_write_elf64_todpreg}, {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},
{ 0, NULL} { 0, NULL}
}; };