diff options
Diffstat (limited to 'src/third_party/unwind/platform/linux_x86_64/install')
5 files changed, 826 insertions, 0 deletions
diff --git a/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-common.h b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-common.h new file mode 100644 index 00000000000..37b0ef4a5db --- /dev/null +++ b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-common.h @@ -0,0 +1,279 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2001-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#define UNW_VERSION_MAJOR 1 +#define UNW_VERSION_MINOR 4 +#define UNW_VERSION_EXTRA -rc1 + +#define UNW_VERSION_CODE(maj,min) (((maj) << 16) | (min)) +#define UNW_VERSION UNW_VERSION_CODE(UNW_VERSION_MAJOR, UNW_VERSION_MINOR) + +#define UNW_PASTE2(x,y) x##y +#define UNW_PASTE(x,y) UNW_PASTE2(x,y) +#define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn) +#define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn) + +#ifdef UNW_LOCAL_ONLY +# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_) +#else /* !UNW_LOCAL_ONLY */ +# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_) +#endif /* !UNW_LOCAL_ONLY */ + +/* Error codes. The unwind routines return the *negated* values of + these error codes on error and a non-negative value on success. */ +typedef enum + { + UNW_ESUCCESS = 0, /* no error */ + UNW_EUNSPEC, /* unspecified (general) error */ + UNW_ENOMEM, /* out of memory */ + UNW_EBADREG, /* bad register number */ + UNW_EREADONLYREG, /* attempt to write read-only register */ + UNW_ESTOPUNWIND, /* stop unwinding */ + UNW_EINVALIDIP, /* invalid IP */ + UNW_EBADFRAME, /* bad frame */ + UNW_EINVAL, /* unsupported operation or bad value */ + UNW_EBADVERSION, /* unwind info has unsupported version */ + UNW_ENOINFO /* no unwind info found */ + } +unw_error_t; + +/* The following enum defines the indices for a couple of + (pseudo-)registers which have the same meaning across all + platforms. (RO) means read-only. (RW) means read-write. General + registers (aka "integer registers") are expected to start with + index 0. The number of such registers is architecture-dependent. + The remaining indices can be used as an architecture sees fit. The + last valid register index is given by UNW_REG_LAST. */ +typedef enum + { + UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */ + UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */ + UNW_REG_EH = UNW_TDEP_EH, /* (rw) exception-handling reg base */ + UNW_REG_LAST = UNW_TDEP_LAST_REG + } +unw_frame_regnum_t; + +/* Number of exception-handler argument registers: */ +#define UNW_NUM_EH_REGS UNW_TDEP_NUM_EH_REGS + +typedef enum + { + UNW_CACHE_NONE, /* no caching */ + UNW_CACHE_GLOBAL, /* shared global cache */ + UNW_CACHE_PER_THREAD /* per-thread caching */ + } +unw_caching_policy_t; + +typedef enum + { + UNW_INIT_SIGNAL_FRAME = 1, /* We know this is a signal frame */ + } +unw_init_local2_flags_t; + +typedef int unw_regnum_t; + +/* The unwind cursor starts at the youngest (most deeply nested) frame + and is used to track the frame state as the unwinder steps from + frame to frame. It is safe to make (shallow) copies of variables + of this type. */ +typedef struct unw_cursor + { + unw_word_t opaque[UNW_TDEP_CURSOR_LEN]; + } +unw_cursor_t; + +/* This type encapsulates the entire (preserved) machine-state. */ +typedef unw_tdep_context_t unw_context_t; + +/* unw_getcontext() fills the unw_context_t pointed to by UC with the + machine state as it exists at the call-site. For implementation + reasons, this needs to be a target-dependent macro. It's easiest + to think of unw_getcontext() as being identical to getcontext(). */ +#define unw_getcontext(uc) unw_tdep_getcontext(uc) + +/* Return 1 if register number R is a floating-point register, zero + otherwise. + This routine is signal-safe. */ +#define unw_is_fpreg(r) unw_tdep_is_fpreg(r) + +typedef unw_tdep_fpreg_t unw_fpreg_t; + +typedef struct unw_addr_space *unw_addr_space_t; + +/* Each target may define it's own set of flags, but bits 0-15 are + reserved for general libunwind-use. */ +#define UNW_PI_FLAG_FIRST_TDEP_BIT 16 +/* The information comes from a .debug_frame section. */ +#define UNW_PI_FLAG_DEBUG_FRAME 32 + +typedef struct unw_proc_info + { + unw_word_t start_ip; /* first IP covered by this procedure */ + unw_word_t end_ip; /* first IP NOT covered by this procedure */ +#if defined(NEED_LAST_IP) + unw_word_t last_ip; /* first IP that could begin another procedure */ +#endif + unw_word_t lsda; /* address of lang.-spec. data area (if any) */ + unw_word_t handler; /* optional personality routine */ + unw_word_t gp; /* global-pointer value for this procedure */ + unw_word_t flags; /* misc. flags */ + + int format; /* unwind-info format (arch-specific) */ + int unwind_info_size; /* size of the information (if applicable) */ + void *unwind_info; /* unwind-info (arch-specific) */ + unw_tdep_proc_info_t extra; /* target-dependent auxiliary proc-info */ + } +unw_proc_info_t; + +typedef int (*unw_reg_states_callback)(void *token, + void *reg_states_data, + size_t reg_states_data_size, + unw_word_t start_ip, unw_word_t end_ip); + +/* These are backend callback routines that provide access to the + state of a "remote" process. This can be used, for example, to + unwind another process through the ptrace() interface. */ +typedef struct unw_accessors + { + /* Look up the unwind info associated with instruction-pointer IP. + On success, the routine fills in the PROC_INFO structure. */ + int (*find_proc_info) (unw_addr_space_t, unw_word_t, unw_proc_info_t *, + int, void *); + + /* Release any resources (e.g., memory) that were allocated for + the unwind info returned in by a previous call to + find_proc_info() with NEED_UNWIND_INFO set to 1. */ + void (*put_unwind_info) (unw_addr_space_t, unw_proc_info_t *, void *); + + /* Return the list-head of the dynamically registered unwind + info. */ + int (*get_dyn_info_list_addr) (unw_addr_space_t, unw_word_t *, void *); + + /* Access aligned word at address ADDR. The value is returned + according to the endianness of the host (e.g., if the host is + little-endian and the target is big-endian, access_mem() needs + to byte-swap the value before returning it). */ + int (*access_mem) (unw_addr_space_t, unw_word_t, unw_word_t *, int, + void *); + + /* Access register number REG at address ADDR. */ + int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *, int, + void *); + + /* Access register number REG at address ADDR. */ + int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, + unw_fpreg_t *, int, void *); + + int (*resume) (unw_addr_space_t, unw_cursor_t *, void *); + + /* Optional call back to obtain the name of a (static) procedure. + Dynamically generated procedures are handled automatically by + libunwind. This callback is optional and may be set to + NULL. */ + int (*get_proc_name) (unw_addr_space_t, unw_word_t, char *, size_t, + unw_word_t *, void *); + } +unw_accessors_t; + +typedef enum unw_save_loc_type + { + UNW_SLT_NONE, /* register is not saved ("not an l-value") */ + UNW_SLT_MEMORY, /* register has been saved in memory */ + UNW_SLT_REG /* register has been saved in (another) register */ + } +unw_save_loc_type_t; + +typedef struct unw_save_loc + { + unw_save_loc_type_t type; + union + { + unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */ + unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */ + } + u; + unw_tdep_save_loc_t extra; /* target-dependent additional information */ + } +unw_save_loc_t; + +/* These routines work both for local and remote unwinding. */ + +#define unw_local_addr_space UNW_OBJ(local_addr_space) +#define unw_create_addr_space UNW_OBJ(create_addr_space) +#define unw_destroy_addr_space UNW_OBJ(destroy_addr_space) +#define unw_get_accessors UNW_ARCH_OBJ(get_accessors) +#define unw_get_accessors_int UNW_ARCH_OBJ(get_accessors_int) +#define unw_init_local UNW_OBJ(init_local) +#define unw_init_local2 UNW_OBJ(init_local2) +#define unw_init_remote UNW_OBJ(init_remote) +#define unw_step UNW_OBJ(step) +#define unw_resume UNW_OBJ(resume) +#define unw_get_proc_info UNW_OBJ(get_proc_info) +#define unw_get_proc_info_by_ip UNW_OBJ(get_proc_info_by_ip) +#define unw_reg_states_iterate UNW_OBJ(reg_states_iterate) +#define unw_apply_reg_state UNW_OBJ(apply_reg_state) +#define unw_get_reg UNW_OBJ(get_reg) +#define unw_set_reg UNW_OBJ(set_reg) +#define unw_get_fpreg UNW_OBJ(get_fpreg) +#define unw_set_fpreg UNW_OBJ(set_fpreg) +#define unw_get_save_loc UNW_OBJ(get_save_loc) +#define unw_is_signal_frame UNW_OBJ(is_signal_frame) +#define unw_get_proc_name UNW_OBJ(get_proc_name) +#define unw_set_caching_policy UNW_OBJ(set_caching_policy) +#define unw_set_cache_size UNW_OBJ(set_cache_size) +#define unw_regname UNW_ARCH_OBJ(regname) +#define unw_flush_cache UNW_ARCH_OBJ(flush_cache) +#define unw_strerror UNW_ARCH_OBJ(strerror) + +extern unw_addr_space_t unw_create_addr_space (unw_accessors_t *, int); +extern void unw_destroy_addr_space (unw_addr_space_t); +extern unw_accessors_t *unw_get_accessors (unw_addr_space_t); +extern unw_accessors_t *unw_get_accessors_int (unw_addr_space_t); +extern void unw_flush_cache (unw_addr_space_t, unw_word_t, unw_word_t); +extern int unw_set_caching_policy (unw_addr_space_t, unw_caching_policy_t); +extern int unw_set_cache_size (unw_addr_space_t, size_t, int); +extern const char *unw_regname (unw_regnum_t); + +extern int unw_init_local (unw_cursor_t *, unw_context_t *); +extern int unw_init_local2 (unw_cursor_t *, unw_context_t *, int); +extern int unw_init_remote (unw_cursor_t *, unw_addr_space_t, void *); +extern int unw_step (unw_cursor_t *); +extern int unw_resume (unw_cursor_t *); +extern int unw_get_proc_info (unw_cursor_t *, unw_proc_info_t *); +extern int unw_get_proc_info_by_ip (unw_addr_space_t, unw_word_t, + unw_proc_info_t *, void *); +extern int unw_reg_states_iterate (unw_cursor_t *, unw_reg_states_callback, void *); +extern int unw_apply_reg_state (unw_cursor_t *, void *); +extern int unw_get_reg (unw_cursor_t *, int, unw_word_t *); +extern int unw_set_reg (unw_cursor_t *, int, unw_word_t); +extern int unw_get_fpreg (unw_cursor_t *, int, unw_fpreg_t *); +extern int unw_set_fpreg (unw_cursor_t *, int, unw_fpreg_t); +extern int unw_get_save_loc (unw_cursor_t *, int, unw_save_loc_t *); +extern int unw_is_signal_frame (unw_cursor_t *); +extern int unw_get_proc_name (unw_cursor_t *, char *, size_t, unw_word_t *); +extern const char *unw_strerror (int); +extern int unw_backtrace (void **, int); + +extern unw_addr_space_t unw_local_addr_space; diff --git a/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-dynamic.h b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-dynamic.h new file mode 100644 index 00000000000..edb0bbd343d --- /dev/null +++ b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-dynamic.h @@ -0,0 +1,214 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2002-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +/* This file defines the runtime-support routines for dynamically +generated code. Even though it is implemented as part of libunwind, +it is logically separate from the interface to perform the actual +unwinding. In particular, this interface is always used in the +context of the unwind target, whereas the rest of the unwind API is +used in context of the process that is doing the unwind (which may be +a debugger running on another machine, for example). + +Note that the data-structures declared here server a dual purpose: +when a program registers a dynamically generated procedure, it uses +these structures directly. On the other hand, with remote-unwinding, +the data-structures are read from the remote process's memory and +translated into internalized versions. To facilitate remote-access, +the following rules should be followed in declaring these structures: + + (1) Declare a member as a pointer only if the the information the + member points to needs to be internalized as well (e.g., a + string representing a procedure name should be declared as + "const char *", but the instruction pointer should be declared + as unw_word_t). + + (2) Provide sufficient padding to ensure that no implicit padding + will be needed on any of the supported target architectures. For + the time being, padding data structures with the assumption that + sizeof (unw_word_t) == 8 should be sufficient. (Note: it's not + impossible to internalize structures with internal padding, but + it does make the process a bit harder). + + (3) Don't declare members that contain bitfields or floating-point + values. + + (4) Don't declare members with enumeration types. Declare them as + int32_t instead. */ + +typedef enum + { + UNW_DYN_STOP = 0, /* end-of-unwind-info marker */ + UNW_DYN_SAVE_REG, /* save register to another register */ + UNW_DYN_SPILL_FP_REL, /* frame-pointer-relative register spill */ + UNW_DYN_SPILL_SP_REL, /* stack-pointer-relative register spill */ + UNW_DYN_ADD, /* add constant value to a register */ + UNW_DYN_POP_FRAMES, /* drop one or more stack frames */ + UNW_DYN_LABEL_STATE, /* name the current state */ + UNW_DYN_COPY_STATE, /* set the region's entry-state */ + UNW_DYN_ALIAS /* get unwind info from an alias */ + } +unw_dyn_operation_t; + +typedef enum + { + UNW_INFO_FORMAT_DYNAMIC, /* unw_dyn_proc_info_t */ + UNW_INFO_FORMAT_TABLE, /* unw_dyn_table_t */ + UNW_INFO_FORMAT_REMOTE_TABLE, /* unw_dyn_remote_table_t */ + UNW_INFO_FORMAT_ARM_EXIDX, /* ARM specific unwind info */ + UNW_INFO_FORMAT_IP_OFFSET, /* Like UNW_INFO_FORMAT_REMOTE_TABLE, but + table entries are considered + relative to di->start_ip, rather + than di->segbase */ + } +unw_dyn_info_format_t; + +typedef struct unw_dyn_op + { + int8_t tag; /* what operation? */ + int8_t qp; /* qualifying predicate register */ + int16_t reg; /* what register */ + int32_t when; /* when does it take effect? */ + unw_word_t val; /* auxiliary value */ + } +unw_dyn_op_t; + +typedef struct unw_dyn_region_info + { + struct unw_dyn_region_info *next; /* linked list of regions */ + int32_t insn_count; /* region length (# of instructions) */ + uint32_t op_count; /* length of op-array */ + unw_dyn_op_t op[1]; /* variable-length op-array */ + } +unw_dyn_region_info_t; + +typedef struct unw_dyn_proc_info + { + unw_word_t name_ptr; /* address of human-readable procedure name */ + unw_word_t handler; /* address of personality routine */ + uint32_t flags; + int32_t pad0; + unw_dyn_region_info_t *regions; + } +unw_dyn_proc_info_t; + +typedef struct unw_dyn_table_info + { + unw_word_t name_ptr; /* addr. of table name (e.g., library name) */ + unw_word_t segbase; /* segment base */ + unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */ + unw_word_t *table_data; + } +unw_dyn_table_info_t; + +typedef struct unw_dyn_remote_table_info + { + unw_word_t name_ptr; /* addr. of table name (e.g., library name) */ + unw_word_t segbase; /* segment base */ + unw_word_t table_len; /* must be a multiple of sizeof(unw_word_t)! */ + unw_word_t table_data; + } +unw_dyn_remote_table_info_t; + +typedef struct unw_dyn_info + { + /* doubly-linked list of dyn-info structures: */ + struct unw_dyn_info *next; + struct unw_dyn_info *prev; + unw_word_t start_ip; /* first IP covered by this entry */ + unw_word_t end_ip; /* first IP NOT covered by this entry */ + unw_word_t gp; /* global-pointer in effect for this entry */ + int32_t format; /* real type: unw_dyn_info_format_t */ + int32_t pad; + union + { + unw_dyn_proc_info_t pi; + unw_dyn_table_info_t ti; + unw_dyn_remote_table_info_t rti; + } + u; + } +unw_dyn_info_t; + +typedef struct unw_dyn_info_list + { + uint32_t version; + uint32_t generation; + unw_dyn_info_t *first; + } +unw_dyn_info_list_t; + +/* Return the size (in bytes) of an unw_dyn_region_info_t structure that can + hold OP_COUNT ops. */ +#define _U_dyn_region_info_size(op_count) \ + ((char *) (((unw_dyn_region_info_t *) NULL)->op + (op_count)) \ + - (char *) NULL) + +/* Register the unwind info for a single procedure. + This routine is NOT signal-safe. */ +extern void _U_dyn_register (unw_dyn_info_t *); + +/* Cancel the unwind info for a single procedure. + This routine is NOT signal-safe. */ +extern void _U_dyn_cancel (unw_dyn_info_t *); + + +/* Convenience routines. */ + +#define _U_dyn_op(_tag, _qp, _when, _reg, _val) \ + ((unw_dyn_op_t) { (_tag), (_qp), (_reg), (_when), (_val) }) + +#define _U_dyn_op_save_reg(op, qp, when, reg, dst) \ + (*(op) = _U_dyn_op (UNW_DYN_SAVE_REG, (qp), (when), (reg), (dst))) + +#define _U_dyn_op_spill_fp_rel(op, qp, when, reg, offset) \ + (*(op) = _U_dyn_op (UNW_DYN_SPILL_FP_REL, (qp), (when), (reg), \ + (offset))) + +#define _U_dyn_op_spill_sp_rel(op, qp, when, reg, offset) \ + (*(op) = _U_dyn_op (UNW_DYN_SPILL_SP_REL, (qp), (when), (reg), \ + (offset))) + +#define _U_dyn_op_add(op, qp, when, reg, value) \ + (*(op) = _U_dyn_op (UNW_DYN_ADD, (qp), (when), (reg), (value))) + +#define _U_dyn_op_pop_frames(op, qp, when, num_frames) \ + (*(op) = _U_dyn_op (UNW_DYN_POP_FRAMES, (qp), (when), 0, (num_frames))) + +#define _U_dyn_op_label_state(op, label) \ + (*(op) = _U_dyn_op (UNW_DYN_LABEL_STATE, _U_QP_TRUE, -1, 0, (label))) + +#define _U_dyn_op_copy_state(op, label) \ + (*(op) = _U_dyn_op (UNW_DYN_COPY_STATE, _U_QP_TRUE, -1, 0, (label))) + +#define _U_dyn_op_alias(op, qp, when, addr) \ + (*(op) = _U_dyn_op (UNW_DYN_ALIAS, (qp), (when), 0, (addr))) + +#define _U_dyn_op_stop(op) \ + (*(op) = _U_dyn_op (UNW_DYN_STOP, _U_QP_TRUE, -1, 0, 0)) + +/* The target-dependent qualifying predicate which is always TRUE. On + IA-64, that's p0 (0), on non-predicated architectures, the value is + ignored. */ +#define _U_QP_TRUE _U_TDEP_QP_TRUE diff --git a/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-x86_64.h b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-x86_64.h new file mode 100644 index 00000000000..78eb541afb3 --- /dev/null +++ b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind-x86_64.h @@ -0,0 +1,141 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2002-2004 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + + Modified for x86_64 by Max Asbock <masbock@us.ibm.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef LIBUNWIND_H +#define LIBUNWIND_H + +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +#include <sys/types.h> +#include <inttypes.h> +#include <ucontext.h> + +#define UNW_TARGET x86_64 +#define UNW_TARGET_X86_64 1 + +#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ + +/* This needs to be big enough to accommodate "struct cursor", while + leaving some slack for future expansion. Changing this value will + require recompiling all users of this library. Stack allocation is + relatively cheap and unwind-state copying is relatively rare, so we + want to err on making it rather too big than too small. */ +#define UNW_TDEP_CURSOR_LEN 127 + +typedef uint64_t unw_word_t; +typedef int64_t unw_sword_t; + +typedef long double unw_tdep_fpreg_t; + +typedef enum + { + UNW_X86_64_RAX, + UNW_X86_64_RDX, + UNW_X86_64_RCX, + UNW_X86_64_RBX, + UNW_X86_64_RSI, + UNW_X86_64_RDI, + UNW_X86_64_RBP, + UNW_X86_64_RSP, + UNW_X86_64_R8, + UNW_X86_64_R9, + UNW_X86_64_R10, + UNW_X86_64_R11, + UNW_X86_64_R12, + UNW_X86_64_R13, + UNW_X86_64_R14, + UNW_X86_64_R15, + UNW_X86_64_RIP, +#ifdef CONFIG_MSABI_SUPPORT + UNW_X86_64_XMM0, + UNW_X86_64_XMM1, + UNW_X86_64_XMM2, + UNW_X86_64_XMM3, + UNW_X86_64_XMM4, + UNW_X86_64_XMM5, + UNW_X86_64_XMM6, + UNW_X86_64_XMM7, + UNW_X86_64_XMM8, + UNW_X86_64_XMM9, + UNW_X86_64_XMM10, + UNW_X86_64_XMM11, + UNW_X86_64_XMM12, + UNW_X86_64_XMM13, + UNW_X86_64_XMM14, + UNW_X86_64_XMM15, + UNW_TDEP_LAST_REG = UNW_X86_64_XMM15, +#else + UNW_TDEP_LAST_REG = UNW_X86_64_RIP, +#endif + + /* XXX Add other regs here */ + + /* frame info (read-only) */ + UNW_X86_64_CFA, + + UNW_TDEP_IP = UNW_X86_64_RIP, + UNW_TDEP_SP = UNW_X86_64_RSP, + UNW_TDEP_BP = UNW_X86_64_RBP, + UNW_TDEP_EH = UNW_X86_64_RAX + } +x86_64_regnum_t; + +#define UNW_TDEP_NUM_EH_REGS 2 /* XXX Not sure what this means */ + +typedef struct unw_tdep_save_loc + { + /* Additional target-dependent info on a save location. */ + char unused; + } +unw_tdep_save_loc_t; + +/* On x86_64, we can directly use ucontext_t as the unwind context. */ +typedef ucontext_t unw_tdep_context_t; + +typedef struct + { + /* no x86-64-specific auxiliary proc-info */ + char unused; + } +unw_tdep_proc_info_t; + +#include "libunwind-dynamic.h" +#include "libunwind-common.h" + +#define unw_tdep_getcontext UNW_ARCH_OBJ(getcontext) +#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg) + +extern int unw_tdep_getcontext (unw_tdep_context_t *); +extern int unw_tdep_is_fpreg (int); + +#if defined(__cplusplus) || defined(c_plusplus) +} +#endif + +#endif /* LIBUNWIND_H */ diff --git a/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind.h b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind.h new file mode 100644 index 00000000000..91bb8ef9cad --- /dev/null +++ b/src/third_party/unwind/platform/linux_x86_64/install/include/libunwind.h @@ -0,0 +1,38 @@ +/* Provide a real file - not a symlink - as it would cause multiarch conflicts + when multiple different arch releases are installed simultaneously. */ + +#ifndef UNW_REMOTE_ONLY + +#if defined __aarch64__ +#include "libunwind-aarch64.h" +#elif defined __arm__ +# include "libunwind-arm.h" +#elif defined __hppa__ +# include "libunwind-hppa.h" +#elif defined __ia64__ +# include "libunwind-ia64.h" +#elif defined __mips__ +# include "libunwind-mips.h" +#elif defined __powerpc__ && !defined __powerpc64__ +# include "libunwind-ppc32.h" +#elif defined __powerpc64__ +# include "libunwind-ppc64.h" +#elif defined __sh__ +# include "libunwind-sh.h" +#elif defined __i386__ +# include "libunwind-x86.h" +#elif defined __x86_64__ +# include "libunwind-x86_64.h" +#elif defined __tilegx__ +# include "libunwind-tilegx.h" +#elif defined __s390x__ +# include "libunwind-s390x.h" +#else +# error "Unsupported arch" +#endif + +#else /* UNW_REMOTE_ONLY */ + +# include "libunwind-x86_64.h" + +#endif /* UNW_REMOTE_ONLY */ diff --git a/src/third_party/unwind/platform/linux_x86_64/install/include/unwind.h b/src/third_party/unwind/platform/linux_x86_64/install/include/unwind.h new file mode 100644 index 00000000000..7cf128deca3 --- /dev/null +++ b/src/third_party/unwind/platform/linux_x86_64/install/include/unwind.h @@ -0,0 +1,154 @@ +/* libunwind - a platform-independent unwind library + Copyright (C) 2003 Hewlett-Packard Co + Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + +This file is part of libunwind. + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +#ifndef _UNWIND_H +#define _UNWIND_H + +/* For uint64_t */ +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Minimal interface as per C++ ABI draft standard: + + http://www.codesourcery.com/cxx-abi/abi-eh.html */ + +typedef enum + { + _URC_NO_REASON = 0, + _URC_FOREIGN_EXCEPTION_CAUGHT = 1, + _URC_FATAL_PHASE2_ERROR = 2, + _URC_FATAL_PHASE1_ERROR = 3, + _URC_NORMAL_STOP = 4, + _URC_END_OF_STACK = 5, + _URC_HANDLER_FOUND = 6, + _URC_INSTALL_CONTEXT = 7, + _URC_CONTINUE_UNWIND = 8 + } +_Unwind_Reason_Code; + +typedef int _Unwind_Action; + +#define _UA_SEARCH_PHASE 1 +#define _UA_CLEANUP_PHASE 2 +#define _UA_HANDLER_FRAME 4 +#define _UA_FORCE_UNWIND 8 + +struct _Unwind_Context; /* opaque data-structure */ +struct _Unwind_Exception; /* forward-declaration */ + +typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code, + struct _Unwind_Exception *); + +typedef _Unwind_Reason_Code (*_Unwind_Stop_Fn) (int, _Unwind_Action, + uint64_t, + struct _Unwind_Exception *, + struct _Unwind_Context *, + void *); + +/* The C++ ABI requires exception_class, private_1, and private_2 to + be of type uint64 and the entire structure to be + double-word-aligned. Please note that exception_class stays 64-bit + even on 32-bit machines for gcc compatibility. */ +struct _Unwind_Exception + { + uint64_t exception_class; + _Unwind_Exception_Cleanup_Fn exception_cleanup; + unsigned long private_1; + unsigned long private_2; + } __attribute__((__aligned__)); + +extern _Unwind_Reason_Code _Unwind_RaiseException (struct _Unwind_Exception *); +extern _Unwind_Reason_Code _Unwind_ForcedUnwind (struct _Unwind_Exception *, + _Unwind_Stop_Fn, void *); +extern void _Unwind_Resume (struct _Unwind_Exception *); +extern void _Unwind_DeleteException (struct _Unwind_Exception *); +extern unsigned long _Unwind_GetGR (struct _Unwind_Context *, int); +extern void _Unwind_SetGR (struct _Unwind_Context *, int, unsigned long); +extern unsigned long _Unwind_GetIP (struct _Unwind_Context *); +extern unsigned long _Unwind_GetIPInfo (struct _Unwind_Context *, int *); +extern void _Unwind_SetIP (struct _Unwind_Context *, unsigned long); +extern unsigned long _Unwind_GetLanguageSpecificData (struct _Unwind_Context*); +extern unsigned long _Unwind_GetRegionStart (struct _Unwind_Context *); + +#ifdef _GNU_SOURCE + +/* Callback for _Unwind_Backtrace(). The backtrace stops immediately + if the callback returns any value other than _URC_NO_REASON. */ +typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn) (struct _Unwind_Context *, + void *); + +/* See http://gcc.gnu.org/ml/gcc-patches/2001-09/msg00082.html for why + _UA_END_OF_STACK exists. */ +# define _UA_END_OF_STACK 16 + +/* If the unwind was initiated due to a forced unwind, resume that + operation, else re-raise the exception. This is used by + __cxa_rethrow(). */ +extern _Unwind_Reason_Code + _Unwind_Resume_or_Rethrow (struct _Unwind_Exception *); + +/* See http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00154.html for why + _Unwind_GetBSP() exists. */ +extern unsigned long _Unwind_GetBSP (struct _Unwind_Context *); + +/* Return the "canonical frame address" for the given context. + This is used by NPTL... */ +extern unsigned long _Unwind_GetCFA (struct _Unwind_Context *); + +/* Return the base-address for data references. */ +extern unsigned long _Unwind_GetDataRelBase (struct _Unwind_Context *); + +/* Return the base-address for text references. */ +extern unsigned long _Unwind_GetTextRelBase (struct _Unwind_Context *); + +/* Call _Unwind_Trace_Fn once for each stack-frame, without doing any + cleanup. The first frame for which the callback is invoked is the + one for the caller of _Unwind_Backtrace(). _Unwind_Backtrace() + returns _URC_END_OF_STACK when the backtrace stopped due to + reaching the end of the call-chain or _URC_FATAL_PHASE1_ERROR if it + stops for any other reason. */ +extern _Unwind_Reason_Code _Unwind_Backtrace (_Unwind_Trace_Fn, void *); + +/* Find the start-address of the procedure containing the specified IP + or NULL if it cannot be found (e.g., because the function has no + unwind info). Note: there is not necessarily a one-to-one + correspondence between source-level functions and procedures: some + functions don't have unwind-info and others are split into multiple + procedures. */ +extern void *_Unwind_FindEnclosingFunction (void *); + +/* See also Linux Standard Base Spec: + http://www.linuxbase.org/spec/refspecs/LSB_1.3.0/gLSB/gLSB/libgcc-s.html */ + +#endif /* _GNU_SOURCE */ + +#ifdef __cplusplus +}; +#endif + +#endif /* _UNWIND_H */ |