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Commit c1c1c827 authored by Elliott Hughes's avatar Elliott Hughes Committed by Android Git Automerger
Browse files

am 710f6634: Merge "Switch mips libcorkscrew over to <sys/ucontext.h>." 

* commit '710f6634':
  Switch mips libcorkscrew over to <sys/ucontext.h>.
parents c9869057 710f6634

libcorkscrew/arch-mips/backtrace-mips.c

+5 −40
Original line number Diff line number Diff line
@@ -36,18 +36,7 @@ 
#include <sys/ptrace.h>

#include <cutils/log.h>



#if defined(__BIONIC__)



#if defined(__BIONIC_HAVE_UCONTEXT_T)



// Bionic offers the Linux kernel headers.

#include <asm/sigcontext.h>

#include <asm/ucontext.h>

typedef struct ucontext ucontext_t;



#else /* __BIONIC_HAVE_UCONTEXT_T */



/* Old versions of the Android <signal.h> didn't define ucontext_t. */

#include <sys/ucontext.h>



/* For PTRACE_GETREGS */

typedef struct {
@@ -71,30 +60,6 @@ enum { 
    REG_GP, REG_SP, REG_S8, REG_RA,

};



/* Machine context at the time a signal was raised. */

typedef struct ucontext {

    unsigned int sc_regmask;

    unsigned int sc_status;

    unsigned long long sc_pc;

    unsigned long long sc_regs[32];

    unsigned long long sc_fpregs[32];

    unsigned int sc_acx;

    unsigned int sc_fpc_csr;

    unsigned int sc_fpc_eir;

    unsigned int sc_used_math;

    unsigned int sc_dsp;

    unsigned long long sc_mdhi;

    unsigned long long sc_mdlo;

    unsigned long sc_hi1;

    unsigned long sc_lo1;

    unsigned long sc_hi2;

    unsigned long sc_lo2;

    unsigned long sc_hi3;

    unsigned long sc_lo3;

} ucontext_t;



#endif /* __BIONIC_HAVE_UCONTEXT_T */

#endif



/* Unwind state. */

typedef struct {
@@ -896,10 +861,10 @@ ssize_t unwind_backtrace_signal_arch(siginfo_t* siginfo __attribute__((unused)), 
    const ucontext_t* uc = (const ucontext_t*)sigcontext;



    unwind_state_t state;

    state.reg[DWARF_PC] = uc->sc_pc;

    state.reg[DWARF_RA] = uc->sc_regs[REG_RA];

    state.reg[DWARF_FP] = uc->sc_regs[REG_S8];

    state.reg[DWARF_SP] = uc->sc_regs[REG_SP];

    state.reg[DWARF_PC] = uc->uc_mcontext.pc;

    state.reg[DWARF_RA] = uc->uc_mcontext.gregs[REG_RA];

    state.reg[DWARF_FP] = uc->uc_mcontext.gregs[REG_S8];

    state.reg[DWARF_SP] = uc->uc_mcontext.gregs[REG_SP];



    ALOGV("unwind_backtrace_signal_arch: "

          "ignore_depth=%d max_depth=%d pc=0x%08x sp=0x%08x ra=0x%08x\n",