44df1afdb1
Fix a compile error:
...
CC util/libunwind/x86_32.o
In file included from util/libunwind/x86_32.c:33:0:
util/libunwind/../../arch/x86/util/unwind-libunwind.c: In function 'libunwind__x86_reg_id':
util/libunwind/../../arch/x86/util/unwind-libunwind.c:110:11: error: 'EINVAL' undeclared (first use in this function)
return -EINVAL;
^
util/libunwind/../../arch/x86/util/unwind-libunwind.c:110:11: note: each undeclared identifier is reported only once for each function it appears in
mv: cannot stat 'util/libunwind/.x86_32.o.tmp': No such file or directory
make[4]: *** [util/libunwind/x86_32.o] Error 1
make[3]: *** [util] Error 2
make[2]: *** [libperf-in.o] Error 2
make[1]: *** [sub-make] Error 2
make: *** [all] Error 2
It happens when libunwind-x86 feature is detected.
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20171206015040.114574-1-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
116 lines
2.0 KiB
C
116 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#ifndef REMOTE_UNWIND_LIBUNWIND
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#include <libunwind.h>
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#include "perf_regs.h"
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#include "../../util/unwind.h"
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#include "../../util/debug.h"
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#endif
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#ifdef HAVE_ARCH_X86_64_SUPPORT
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int LIBUNWIND__ARCH_REG_ID(int regnum)
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{
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int id;
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switch (regnum) {
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case UNW_X86_64_RAX:
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id = PERF_REG_X86_AX;
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break;
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case UNW_X86_64_RDX:
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id = PERF_REG_X86_DX;
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break;
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case UNW_X86_64_RCX:
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id = PERF_REG_X86_CX;
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break;
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case UNW_X86_64_RBX:
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id = PERF_REG_X86_BX;
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break;
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case UNW_X86_64_RSI:
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id = PERF_REG_X86_SI;
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break;
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case UNW_X86_64_RDI:
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id = PERF_REG_X86_DI;
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break;
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case UNW_X86_64_RBP:
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id = PERF_REG_X86_BP;
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break;
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case UNW_X86_64_RSP:
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id = PERF_REG_X86_SP;
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break;
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case UNW_X86_64_R8:
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id = PERF_REG_X86_R8;
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break;
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case UNW_X86_64_R9:
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id = PERF_REG_X86_R9;
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break;
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case UNW_X86_64_R10:
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id = PERF_REG_X86_R10;
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break;
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case UNW_X86_64_R11:
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id = PERF_REG_X86_R11;
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break;
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case UNW_X86_64_R12:
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id = PERF_REG_X86_R12;
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break;
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case UNW_X86_64_R13:
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id = PERF_REG_X86_R13;
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break;
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case UNW_X86_64_R14:
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id = PERF_REG_X86_R14;
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break;
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case UNW_X86_64_R15:
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id = PERF_REG_X86_R15;
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break;
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case UNW_X86_64_RIP:
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id = PERF_REG_X86_IP;
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break;
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default:
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pr_err("unwind: invalid reg id %d\n", regnum);
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return -EINVAL;
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}
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return id;
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}
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#else
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int LIBUNWIND__ARCH_REG_ID(int regnum)
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{
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int id;
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switch (regnum) {
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case UNW_X86_EAX:
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id = PERF_REG_X86_AX;
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break;
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case UNW_X86_EDX:
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id = PERF_REG_X86_DX;
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break;
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case UNW_X86_ECX:
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id = PERF_REG_X86_CX;
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break;
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case UNW_X86_EBX:
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id = PERF_REG_X86_BX;
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break;
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case UNW_X86_ESI:
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id = PERF_REG_X86_SI;
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break;
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case UNW_X86_EDI:
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id = PERF_REG_X86_DI;
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break;
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case UNW_X86_EBP:
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id = PERF_REG_X86_BP;
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break;
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case UNW_X86_ESP:
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id = PERF_REG_X86_SP;
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break;
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case UNW_X86_EIP:
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id = PERF_REG_X86_IP;
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break;
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default:
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pr_err("unwind: invalid reg id %d\n", regnum);
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return -EINVAL;
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}
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return id;
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}
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#endif /* HAVE_ARCH_X86_64_SUPPORT */
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