X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fos-Linux%2Fsys-x86_64%2Fregisters.c;h=019f6c4774a6ecaf08121535e082bc20d4ac2346;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=becd898d9398b21f28e030e7bcbcaf6c83b0fb2d;hpb=43bc926fffd92024b46cafaf7350d669ba9ca884;p=linux-2.6.git diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c index becd898d9..019f6c477 100644 --- a/arch/um/os-Linux/sys-x86_64/registers.c +++ b/arch/um/os-Linux/sys-x86_64/registers.c @@ -5,16 +5,16 @@ #include #include -#include #include "ptrace_user.h" #include "uml-config.h" #include "skas_ptregs.h" #include "registers.h" +#include "longjmp.h" #include "user.h" /* These are set once at boot time and not changed thereafter */ -static unsigned long exec_regs[HOST_FRAME_SIZE]; +static unsigned long exec_regs[MAX_REG_NR]; static unsigned long exec_fp_regs[HOST_FP_SIZE]; void init_thread_registers(union uml_pt_regs *to) @@ -72,17 +72,20 @@ void init_registers(int pid) void get_safe_registers(unsigned long *regs, unsigned long *fp_regs) { - memcpy(regs, exec_regs, HOST_FRAME_SIZE * sizeof(unsigned long)); + memcpy(regs, exec_regs, sizeof(exec_regs)); if(fp_regs != NULL) memcpy(fp_regs, exec_fp_regs, HOST_FP_SIZE * sizeof(unsigned long)); } -void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer) +unsigned long get_thread_reg(int reg, jmp_buf *buf) { - struct __jmp_buf_tag *jmpbuf = buffer; - - UPT_SET(uml_regs, RIP, jmpbuf->__jmpbuf[JB_PC]); - UPT_SET(uml_regs, RSP, jmpbuf->__jmpbuf[JB_RSP]); - UPT_SET(uml_regs, RBP, jmpbuf->__jmpbuf[JB_RBP]); + switch(reg){ + case RIP: return buf[0]->__rip; + case RSP: return buf[0]->__rsp; + case RBP: return buf[0]->__rbp; + default: + printk("get_thread_regs - unknown register %d\n", reg); + return 0; + } }