forked from luck/tmp_suning_uos_patched
5e1121cd43
musl toolchain and headers are a bit more strict. These fixes enable building UML with musl as well as seem not to break on glibc. Signed-off-by: Ignat Korchagin <ignat@cloudflare.com> Tested-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Richard Weinberger <richard@nod.at>
86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <signal.h>
|
|
#include <poll.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/user.h>
|
|
#define __FRAME_OFFSETS
|
|
#include <linux/ptrace.h>
|
|
#include <asm/types.h>
|
|
|
|
#define DEFINE(sym, val) \
|
|
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
|
|
|
|
#define DEFINE_LONGS(sym, val) \
|
|
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
|
|
|
|
void foo(void)
|
|
{
|
|
#ifdef __i386__
|
|
DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
|
|
DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
|
|
|
|
DEFINE(HOST_IP, EIP);
|
|
DEFINE(HOST_SP, UESP);
|
|
DEFINE(HOST_EFLAGS, EFL);
|
|
DEFINE(HOST_AX, EAX);
|
|
DEFINE(HOST_BX, EBX);
|
|
DEFINE(HOST_CX, ECX);
|
|
DEFINE(HOST_DX, EDX);
|
|
DEFINE(HOST_SI, ESI);
|
|
DEFINE(HOST_DI, EDI);
|
|
DEFINE(HOST_BP, EBP);
|
|
DEFINE(HOST_CS, CS);
|
|
DEFINE(HOST_SS, SS);
|
|
DEFINE(HOST_DS, DS);
|
|
DEFINE(HOST_FS, FS);
|
|
DEFINE(HOST_ES, ES);
|
|
DEFINE(HOST_GS, GS);
|
|
DEFINE(HOST_ORIG_AX, ORIG_EAX);
|
|
#else
|
|
#ifdef FP_XSTATE_MAGIC1
|
|
DEFINE_LONGS(HOST_FP_SIZE, 2696);
|
|
#else
|
|
DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
|
|
#endif
|
|
DEFINE_LONGS(HOST_BX, RBX);
|
|
DEFINE_LONGS(HOST_CX, RCX);
|
|
DEFINE_LONGS(HOST_DI, RDI);
|
|
DEFINE_LONGS(HOST_SI, RSI);
|
|
DEFINE_LONGS(HOST_DX, RDX);
|
|
DEFINE_LONGS(HOST_BP, RBP);
|
|
DEFINE_LONGS(HOST_AX, RAX);
|
|
DEFINE_LONGS(HOST_R8, R8);
|
|
DEFINE_LONGS(HOST_R9, R9);
|
|
DEFINE_LONGS(HOST_R10, R10);
|
|
DEFINE_LONGS(HOST_R11, R11);
|
|
DEFINE_LONGS(HOST_R12, R12);
|
|
DEFINE_LONGS(HOST_R13, R13);
|
|
DEFINE_LONGS(HOST_R14, R14);
|
|
DEFINE_LONGS(HOST_R15, R15);
|
|
DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
|
|
DEFINE_LONGS(HOST_CS, CS);
|
|
DEFINE_LONGS(HOST_SS, SS);
|
|
DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
|
|
#if 0
|
|
DEFINE_LONGS(HOST_FS, FS);
|
|
DEFINE_LONGS(HOST_GS, GS);
|
|
DEFINE_LONGS(HOST_DS, DS);
|
|
DEFINE_LONGS(HOST_ES, ES);
|
|
#endif
|
|
|
|
DEFINE_LONGS(HOST_IP, RIP);
|
|
DEFINE_LONGS(HOST_SP, RSP);
|
|
#endif
|
|
|
|
DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
|
|
DEFINE(UM_POLLIN, POLLIN);
|
|
DEFINE(UM_POLLPRI, POLLPRI);
|
|
DEFINE(UM_POLLOUT, POLLOUT);
|
|
|
|
DEFINE(UM_PROT_READ, PROT_READ);
|
|
DEFINE(UM_PROT_WRITE, PROT_WRITE);
|
|
DEFINE(UM_PROT_EXEC, PROT_EXEC);
|
|
}
|