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#include <errno.h>
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
#ifdef ARCH_X86_64
int unwind__arch_reg_id(int regnum)
{
int id;
switch (regnum) {
case UNW_X86_64_RAX:
id = PERF_REG_X86_AX;
break;
case UNW_X86_64_RDX:
id = PERF_REG_X86_DX;
break;
case UNW_X86_64_RCX:
id = PERF_REG_X86_CX;
break;
case UNW_X86_64_RBX:
id = PERF_REG_X86_BX;
break;
case UNW_X86_64_RSI:
id = PERF_REG_X86_SI;
break;
case UNW_X86_64_RDI:
id = PERF_REG_X86_DI;
break;
case UNW_X86_64_RBP:
id = PERF_REG_X86_BP;
break;
case UNW_X86_64_RSP:
id = PERF_REG_X86_SP;
break;
case UNW_X86_64_R8:
id = PERF_REG_X86_R8;
break;
case UNW_X86_64_R9:
id = PERF_REG_X86_R9;
break;
case UNW_X86_64_R10:
id = PERF_REG_X86_R10;
break;
case UNW_X86_64_R11:
id = PERF_REG_X86_R11;
break;
case UNW_X86_64_R12:
id = PERF_REG_X86_R12;
break;
case UNW_X86_64_R13:
id = PERF_REG_X86_R13;
break;
case UNW_X86_64_R14:
id = PERF_REG_X86_R14;
break;
case UNW_X86_64_R15:
id = PERF_REG_X86_R15;
break;
case UNW_X86_64_RIP:
id = PERF_REG_X86_IP;
break;
default:
pr_err("unwind: invalid reg id %d\n", regnum);
return -EINVAL;
}
return id;
}
#else
int unwind__arch_reg_id(int regnum)
{
int id;
switch (regnum) {
case UNW_X86_EAX:
id = PERF_REG_X86_AX;
break;
case UNW_X86_EDX:
id = PERF_REG_X86_DX;
break;
case UNW_X86_ECX:
id = PERF_REG_X86_CX;
break;
case UNW_X86_EBX:
id = PERF_REG_X86_BX;
break;
case UNW_X86_ESI:
id = PERF_REG_X86_SI;
break;
case UNW_X86_EDI:
id = PERF_REG_X86_DI;
break;
case UNW_X86_EBP:
id = PERF_REG_X86_BP;
break;
case UNW_X86_ESP:
id = PERF_REG_X86_SP;
break;
case UNW_X86_EIP:
id = PERF_REG_X86_IP;
break;
default:
pr_err("unwind: invalid reg id %d\n", regnum);
return -EINVAL;
}
return id;
}
#endif /* ARCH_X86_64 */
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