151 lines
4.0 KiB
C
151 lines
4.0 KiB
C
/*
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* IA-32 ELF core dump support.
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*
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* Copyright (C) 2003 Arun Sharma <arun.sharma@intel.com>
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*
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* Derived from the x86_64 version
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*/
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#ifndef _ELFCORE32_H_
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#define _ELFCORE32_H_
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#include <asm/intrinsics.h>
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#include <asm/uaccess.h>
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#define USE_ELF_CORE_DUMP 1
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/* Override elfcore.h */
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#define _LINUX_ELFCORE_H 1
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typedef unsigned int elf_greg_t;
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#define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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typedef struct ia32_user_i387_struct elf_fpregset_t;
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typedef struct ia32_user_fxsr_struct elf_fpxregset_t;
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struct elf_siginfo
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{
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int si_signo; /* signal number */
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int si_code; /* extra code */
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int si_errno; /* errno */
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};
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#ifdef CONFIG_VIRT_CPU_ACCOUNTING
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/*
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* Hacks are here since types between compat_timeval (= pair of s32) and
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* ia64-native timeval (= pair of s64) are not compatible, at least a file
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* arch/ia64/ia32/../../../fs/binfmt_elf.c will get warnings from compiler on
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* use of cputime_to_timeval(), which usually an alias of jiffies_to_timeval().
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*/
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#define cputime_to_timeval(a,b) \
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do { (b)->tv_usec = 0; (b)->tv_sec = (a)/NSEC_PER_SEC; } while(0)
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#else
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#define jiffies_to_timeval(a,b) \
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do { (b)->tv_usec = 0; (b)->tv_sec = (a)/HZ; } while(0)
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#endif
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struct elf_prstatus
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{
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struct elf_siginfo pr_info; /* Info associated with signal */
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short pr_cursig; /* Current signal */
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unsigned int pr_sigpend; /* Set of pending signals */
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unsigned int pr_sighold; /* Set of held signals */
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pid_t pr_pid;
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pid_t pr_ppid;
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pid_t pr_pgrp;
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pid_t pr_sid;
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struct compat_timeval pr_utime; /* User time */
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struct compat_timeval pr_stime; /* System time */
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struct compat_timeval pr_cutime; /* Cumulative user time */
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struct compat_timeval pr_cstime; /* Cumulative system time */
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elf_gregset_t pr_reg; /* GP registers */
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int pr_fpvalid; /* True if math co-processor being used. */
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};
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#define ELF_PRARGSZ (80) /* Number of chars for args */
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struct elf_prpsinfo
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{
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char pr_state; /* numeric process state */
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char pr_sname; /* char for pr_state */
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char pr_zomb; /* zombie */
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char pr_nice; /* nice val */
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unsigned int pr_flag; /* flags */
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__u16 pr_uid;
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__u16 pr_gid;
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pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
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/* Lots missing */
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char pr_fname[16]; /* filename of executable */
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char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
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};
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#define ELF_CORE_COPY_REGS(pr_reg, regs) \
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pr_reg[0] = regs->r11; \
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pr_reg[1] = regs->r9; \
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pr_reg[2] = regs->r10; \
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pr_reg[3] = regs->r14; \
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pr_reg[4] = regs->r15; \
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pr_reg[5] = regs->r13; \
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pr_reg[6] = regs->r8; \
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pr_reg[7] = regs->r16 & 0xffff; \
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pr_reg[8] = (regs->r16 >> 16) & 0xffff; \
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pr_reg[9] = (regs->r16 >> 32) & 0xffff; \
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pr_reg[10] = (regs->r16 >> 48) & 0xffff; \
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pr_reg[11] = regs->r1; \
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pr_reg[12] = regs->cr_iip; \
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pr_reg[13] = regs->r17 & 0xffff; \
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pr_reg[14] = ia64_getreg(_IA64_REG_AR_EFLAG); \
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pr_reg[15] = regs->r12; \
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pr_reg[16] = (regs->r17 >> 16) & 0xffff;
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static inline void elf_core_copy_regs(elf_gregset_t *elfregs,
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struct pt_regs *regs)
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{
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ELF_CORE_COPY_REGS((*elfregs), regs)
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}
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static inline int elf_core_copy_task_regs(struct task_struct *t,
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elf_gregset_t* elfregs)
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{
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ELF_CORE_COPY_REGS((*elfregs), task_pt_regs(t));
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return 1;
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}
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static inline int
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elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpregset_t *fpu)
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{
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struct ia32_user_i387_struct *fpstate = (void*)fpu;
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mm_segment_t old_fs;
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if (!tsk_used_math(tsk))
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return 0;
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old_fs = get_fs();
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set_fs(KERNEL_DS);
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save_ia32_fpstate(tsk, (struct ia32_user_i387_struct __user *) fpstate);
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set_fs(old_fs);
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return 1;
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}
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#define ELF_CORE_COPY_XFPREGS 1
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#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
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static inline int
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elf_core_copy_task_xfpregs(struct task_struct *tsk, elf_fpxregset_t *xfpu)
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{
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struct ia32_user_fxsr_struct *fpxstate = (void*) xfpu;
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mm_segment_t old_fs;
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if (!tsk_used_math(tsk))
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return 0;
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old_fs = get_fs();
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set_fs(KERNEL_DS);
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save_ia32_fpxstate(tsk, (struct ia32_user_fxsr_struct __user *) fpxstate);
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set_fs(old_fs);
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return 1;
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}
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#endif /* _ELFCORE32_H_ */
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