Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | #ifndef _LINUX_ELFCORE_H #define _LINUX_ELFCORE_H #include <linux/types.h> #include <linux/signal.h> #include <linux/time.h> #ifdef __KERNEL__ #include <linux/user.h> #include <linux/bug.h> #endif #include <linux/ptrace.h> #include <linux/elf.h> #include <linux/fs.h> struct elf_siginfo { int si_signo; /* signal number */ int si_code; /* extra code */ int si_errno; /* errno */ }; #ifdef __KERNEL__ #include <asm/elf.h> #endif #ifndef __KERNEL__ typedef elf_greg_t greg_t; typedef elf_gregset_t gregset_t; typedef elf_fpregset_t fpregset_t; typedef elf_fpxregset_t fpxregset_t; #define NGREG ELF_NGREG #endif /* * Definitions to generate Intel SVR4-like core files. * These mostly have the same names as the SVR4 types with "elf_" * tacked on the front to prevent clashes with linux definitions, * and the typedef forms have been avoided. This is mostly like * the SVR4 structure, but more Linuxy, with things that Linux does * not support and which gdb doesn't really use excluded. * Fields present but not used are marked with "XXX". */ struct elf_prstatus { #if 0 long pr_flags; /* XXX Process flags */ short pr_why; /* XXX Reason for process halt */ short pr_what; /* XXX More detailed reason */ #endif struct elf_siginfo pr_info; /* Info associated with signal */ short pr_cursig; /* Current signal */ unsigned long pr_sigpend; /* Set of pending signals */ unsigned long pr_sighold; /* Set of held signals */ #if 0 struct sigaltstack pr_altstack; /* Alternate stack info */ struct sigaction pr_action; /* Signal action for current sig */ #endif pid_t pr_pid; pid_t pr_ppid; pid_t pr_pgrp; pid_t pr_sid; struct timeval pr_utime; /* User time */ struct timeval pr_stime; /* System time */ struct timeval pr_cutime; /* Cumulative user time */ struct timeval pr_cstime; /* Cumulative system time */ #if 0 long pr_instr; /* Current instruction */ #endif elf_gregset_t pr_reg; /* GP registers */ #ifdef CONFIG_BINFMT_ELF_FDPIC /* When using FDPIC, the loadmap addresses need to be communicated * to GDB in order for GDB to do the necessary relocations. The * fields (below) used to communicate this information are placed * immediately after ``pr_reg'', so that the loadmap addresses may * be viewed as part of the register set if so desired. */ unsigned long pr_exec_fdpic_loadmap; unsigned long pr_interp_fdpic_loadmap; #endif int pr_fpvalid; /* True if math co-processor being used. */ }; #define ELF_PRARGSZ (80) /* Number of chars for args */ struct elf_prpsinfo { char pr_state; /* numeric process state */ char pr_sname; /* char for pr_state */ char pr_zomb; /* zombie */ char pr_nice; /* nice val */ unsigned long pr_flag; /* flags */ __kernel_uid_t pr_uid; __kernel_gid_t pr_gid; pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; /* Lots missing */ char pr_fname[16]; /* filename of executable */ char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ }; #ifndef __KERNEL__ typedef struct elf_prstatus prstatus_t; typedef struct elf_prpsinfo prpsinfo_t; #define PRARGSZ ELF_PRARGSZ #endif #ifdef __KERNEL__ static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *regs) { #ifdef ELF_CORE_COPY_REGS ELF_CORE_COPY_REGS((*elfregs), regs) #else BUG_ON(sizeof(*elfregs) != sizeof(*regs)); *(struct pt_regs *)elfregs = *regs; #endif } static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs) { #ifdef ELF_CORE_COPY_KERNEL_REGS ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs); #else elf_core_copy_regs(elfregs, regs); #endif } static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs) { #if defined (ELF_CORE_COPY_TASK_REGS) return ELF_CORE_COPY_TASK_REGS(t, elfregs); #elif defined (task_pt_regs) elf_core_copy_regs(elfregs, task_pt_regs(t)); #endif return 0; } extern int dump_fpu (struct pt_regs *, elf_fpregset_t *); static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_regs *regs, elf_fpregset_t *fpu) { #ifdef ELF_CORE_COPY_FPREGS return ELF_CORE_COPY_FPREGS(t, fpu); #else return dump_fpu(regs, fpu); #endif } #ifdef ELF_CORE_COPY_XFPREGS static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu) { return ELF_CORE_COPY_XFPREGS(t, xfpu); } #endif /* * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out * extra segments containing the gate DSO contents. Dumping its * contents makes post-mortem fully interpretable later without matching up * the same kernel and hardware config to see what PC values meant. * Dumping its extra ELF program headers includes all the other information * a debugger needs to easily find how the gate DSO was being used. */ extern Elf_Half elf_core_extra_phdrs(void); extern int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size, unsigned long limit); extern int elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit); extern size_t elf_core_extra_data_size(void); #endif /* __KERNEL__ */ #endif /* _LINUX_ELFCORE_H */ |