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-rw-r--r--libc-top-half/musl/arch/x86_64/bits/user.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/libc-top-half/musl/arch/x86_64/bits/user.h b/libc-top-half/musl/arch/x86_64/bits/user.h
new file mode 100644
index 0000000..4073cc0
--- /dev/null
+++ b/libc-top-half/musl/arch/x86_64/bits/user.h
@@ -0,0 +1,41 @@
+#undef __WORDSIZE
+#define __WORDSIZE 64
+
+typedef struct user_fpregs_struct {
+ uint16_t cwd, swd, ftw, fop;
+ uint64_t rip, rdp;
+ uint32_t mxcsr, mxcr_mask;
+ uint32_t st_space[32], xmm_space[64], padding[24];
+} elf_fpregset_t;
+
+struct user_regs_struct {
+ unsigned long r15, r14, r13, r12, rbp, rbx, r11, r10, r9, r8;
+ unsigned long rax, rcx, rdx, rsi, rdi, orig_rax, rip;
+ unsigned long cs, eflags, rsp, ss, fs_base, gs_base, ds, es, fs, gs;
+};
+#define ELF_NGREG 27
+typedef unsigned long long elf_greg_t, elf_gregset_t[ELF_NGREG];
+
+struct user {
+ struct user_regs_struct regs;
+ int u_fpvalid;
+ struct user_fpregs_struct i387;
+ unsigned long u_tsize;
+ unsigned long u_dsize;
+ unsigned long u_ssize;
+ unsigned long start_code;
+ unsigned long start_stack;
+ long signal;
+ int reserved;
+ struct user_regs_struct *u_ar0;
+ struct user_fpregs_struct *u_fpstate;
+ unsigned long magic;
+ char u_comm[32];
+ unsigned long u_debugreg[8];
+};
+
+#define PAGE_MASK (~(PAGESIZE-1))
+#define NBPG PAGESIZE
+#define UPAGES 1
+#define HOST_TEXT_START_ADDR (u.start_code)
+#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)