process-backend 0.1.0

Providers helpers for reading process memory specialized for minidump-writer
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138

pub use imp::*;

#[cfg(target_arch = "aarch64")]
mod imp {
    pub type GenRegs = libc::user_regs_struct;
    pub type FpRegs = user_fpsimd_struct;

    /// https://github.com/rust-lang/libc/pull/2719
    #[repr(C)]
    #[derive(Debug)]
    pub struct user_fpsimd_struct {
        pub vregs: [u128; 32],
        pub fpsr: u32,
        pub fpcr: u32,
    }
}

#[cfg(target_arch = "arm")]
mod imp {
    pub type GenRegs = user_regs_struct;
    pub type FpRegs = user_fpregs_struct;

    // Not defined by libc because this works only for cores support VFP
    #[repr(C)]
    #[derive(Debug, Eq, Hash, PartialEq, Copy, Clone, Default)]
    pub struct user_fpregs_struct {
        pub fpregs: [u64; 32],
        pub fpscr: u32,
    }

    #[repr(C)]
    #[derive(Debug, Eq, Hash, PartialEq, Copy, Clone, Default)]
    pub struct user_regs_struct {
        pub uregs: [u32; 18],
    }
}

#[cfg(any(target_arch = "x86", target_arch = "x86_64"))]
mod imp {
    pub type GenRegs = user_regs_struct;
    pub type FpRegs = user_fpregs_struct;

    #[cfg(target_arch = "x86")]
    pub type FpxRegs = user_fpxregs_struct;

    pub const NUM_DEBUG_REGISTERS: usize = 8;

    #[cfg(target_arch = "x86")]
    pub type RegType = u32;

    #[cfg(target_arch = "x86_64")]
    pub type RegType = u64;

    #[cfg(all(not(target_os = "android"), target_arch = "x86"))]
    pub use libc::user_fpxregs_struct;
    #[cfg(not(all(target_os = "android", target_arch = "x86")))]
    pub use libc::{user, user_fpregs_struct, user_regs_struct};

    // Not defined by libc on Android
    #[cfg(all(target_os = "android", target_arch = "x86"))]
    #[allow(non_camel_case_types)]
    #[repr(C)]
    pub struct user_regs_struct {
        pub ebx: libc::c_long,
        pub ecx: libc::c_long,
        pub edx: libc::c_long,
        pub esi: libc::c_long,
        pub edi: libc::c_long,
        pub ebp: libc::c_long,
        pub eax: libc::c_long,
        pub xds: libc::c_long,
        pub xes: libc::c_long,
        pub xfs: libc::c_long,
        pub xgs: libc::c_long,
        pub orig_eax: libc::c_long,
        pub eip: libc::c_long,
        pub xcs: libc::c_long,
        pub eflags: libc::c_long,
        pub esp: libc::c_long,
        pub xss: libc::c_long,
    }

    // Not defined by libc on Android
    #[cfg(all(target_os = "android", target_arch = "x86"))]
    #[allow(non_camel_case_types)]
    #[repr(C)]
    pub struct user_fpxregs_struct {
        pub cwd: libc::c_ushort,
        pub swd: libc::c_ushort,
        pub twd: libc::c_ushort,
        pub fop: libc::c_ushort,
        pub fip: libc::c_long,
        pub fcs: libc::c_long,
        pub foo: libc::c_long,
        pub fos: libc::c_long,
        pub mxcsr: libc::c_long,
        __reserved: libc::c_long,
        pub st_space: [libc::c_long; 32],
        pub xmm_space: [libc::c_long; 32],
        padding: [libc::c_long; 56],
    }

    // Not defined by libc on Android
    #[cfg(all(target_os = "android", target_arch = "x86"))]
    #[allow(non_camel_case_types)]
    #[repr(C)]
    pub struct user_fpregs_struct {
        pub cwd: libc::c_long,
        pub swd: libc::c_long,
        pub twd: libc::c_long,
        pub fip: libc::c_long,
        pub fcs: libc::c_long,
        pub foo: libc::c_long,
        pub fos: libc::c_long,
        pub st_space: [libc::c_long; 20],
    }

    #[cfg(all(target_os = "android", target_arch = "x86"))]
    #[allow(non_camel_case_types)]
    #[repr(C)]
    pub struct user {
        pub regs: user_regs_struct,
        pub u_fpvalid: libc::c_long,
        pub i387: user_fpregs_struct,
        pub u_tsize: libc::c_ulong,
        pub u_dsize: libc::c_ulong,
        pub u_ssize: libc::c_ulong,
        pub start_code: libc::c_ulong,
        pub start_stack: libc::c_ulong,
        pub signal: libc::c_long,
        __reserved: libc::c_int,
        pub u_ar0: *mut user_regs_struct,
        pub u_fpstate: *mut user_fpregs_struct,
        pub magic: libc::c_ulong,
        pub u_comm: [libc::c_char; 32],
        pub u_debugreg: [libc::c_int; 8],
    }
}