Signed-off-by: Mihail Abakumov <mikhail.abaku...@ispras.ru> Signed-off-by: Pavel Dovgalyuk <dovga...@ispras.ru> Signed-off-by: Dmitriy Koltunov <koltu...@ispras.ru> --- windbgstub-utils.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+)
diff --git a/windbgstub-utils.c b/windbgstub-utils.c index 73ff98dfbc..537ba9e2aa 100755 --- a/windbgstub-utils.c +++ b/windbgstub-utils.c @@ -587,6 +587,44 @@ static int windbg_write_context(CPUState *cpu, uint8_t *buf, int len, static int windbg_read_ks_regs(CPUState *cpu, uint8_t *buf, int len, int offset) { + CPUArchState *env = cpu->env_ptr; + const bool new_mem = (len != sizeof(CPU_KSPECIAL_REGISTERS) + || offset != 0); + CPU_KSPECIAL_REGISTERS *ckr; + if (new_mem) { + ckr = g_new(CPU_KSPECIAL_REGISTERS, 1); + } else { + ckr = (CPU_KSPECIAL_REGISTERS *) buf; + } + + memset(ckr, 0, len); + + ckr->Cr0 = ldl_p(&env->cr[0]); + ckr->Cr2 = ldl_p(&env->cr[2]); + ckr->Cr3 = ldl_p(&env->cr[3]); + ckr->Cr4 = ldl_p(&env->cr[4]); + + ckr->KernelDr0 = ldtul_p(&env->dr[0]); + ckr->KernelDr1 = ldtul_p(&env->dr[1]); + ckr->KernelDr2 = ldtul_p(&env->dr[2]); + ckr->KernelDr3 = ldtul_p(&env->dr[3]); + ckr->KernelDr6 = ldtul_p(&env->dr[6]); + ckr->KernelDr7 = ldtul_p(&env->dr[7]); + + ckr->Gdtr.Pad = lduw_p(&env->gdt.selector); + ckr->Idtr.Pad = lduw_p(&env->idt.selector); + + ckr->Gdtr.Limit = lduw_p(&env->gdt.limit); + ckr->Gdtr.Base = ldtul_p(&env->gdt.base); + ckr->Idtr.Limit = lduw_p(&env->idt.limit); + ckr->Idtr.Base = ldtul_p(&env->idt.base); + ckr->Tr = lduw_p(&env->tr.selector); + ckr->Ldtr = lduw_p(&env->ldt.selector); + + if (new_mem) { + memcpy(buf, (uint8_t *) ckr + offset, len); + g_free(ckr); + } return 0; }