diff options
Diffstat (limited to 'gdb/auxv.c')
| -rw-r--r-- | gdb/auxv.c | 206 |
1 files changed, 102 insertions, 104 deletions
@@ -34,17 +34,13 @@ #include <unistd.h> #include <fcntl.h> - /* Implement the to_xfer_partial target_ops method. This function handles access via /proc/PID/auxv, which is a common method for native targets. */ static enum target_xfer_status -procfs_xfer_auxv (gdb_byte *readbuf, - const gdb_byte *writebuf, - ULONGEST offset, - ULONGEST len, - ULONGEST *xfered_len) +procfs_xfer_auxv (gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, + ULONGEST len, ULONGEST *xfered_len) { ssize_t l; @@ -76,9 +72,7 @@ procfs_xfer_auxv (gdb_byte *readbuf, /* This function handles access via ld.so's symbol `_dl_auxv'. */ static enum target_xfer_status -ld_so_xfer_auxv (gdb_byte *readbuf, - const gdb_byte *writebuf, - ULONGEST offset, +ld_so_xfer_auxv (gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len) { struct bound_minimal_symbol msym; @@ -151,8 +145,8 @@ ld_so_xfer_auxv (gdb_byte *readbuf, if (offset >= auxv_pair_size) { - if (target_read_memory (data_address - auxv_pair_size, ptr_buf, - ptr_size) != 0) + if (target_read_memory (data_address - auxv_pair_size, ptr_buf, ptr_size) + != 0) return TARGET_XFER_E_IO; if (extract_typed_address (ptr_buf, ptr_type) == AT_NULL) @@ -216,18 +210,15 @@ ld_so_xfer_auxv (gdb_byte *readbuf, TARGET_OBJECT_AUXV. It handles access to AUXV. */ enum target_xfer_status -memory_xfer_auxv (struct target_ops *ops, - enum target_object object, - const char *annex, - gdb_byte *readbuf, - const gdb_byte *writebuf, - ULONGEST offset, - ULONGEST len, ULONGEST *xfered_len) +memory_xfer_auxv (struct target_ops *ops, enum target_object object, + const char *annex, gdb_byte *readbuf, + const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, + ULONGEST *xfered_len) { gdb_assert (object == TARGET_OBJECT_AUXV); gdb_assert (readbuf || writebuf); - /* ld_so_xfer_auxv is the only function safe for virtual + /* ld_so_xfer_auxv is the only function safe for virtual executables being executed by valgrind's memcheck. Using ld_so_xfer_auxv during inferior startup is problematic, because ld.so symbol tables have not yet been relocated. So GDB uses @@ -324,7 +315,6 @@ parse_auxv (target_ops *ops, gdbarch *gdbarch, const gdb_byte **readptr, return ops->auxv_parse (readptr, endptr, typep, valp); } - /* Auxiliary Vector information structure. This is used by GDB for caching purposes for each inferior. This helps reduce the overhead of transfering data from a remote target to the local host. */ @@ -391,16 +381,16 @@ target_auxv_search (const gdb::byte_vector &auxv, target_ops *ops, while (1) switch (parse_auxv (ops, gdbarch, &ptr, data + len, &type, &val)) { - case 1: /* Here's an entry, check it. */ + case 1: /* Here's an entry, check it. */ if (type == match) { *valp = val; return 1; } break; - case 0: /* End of the vector. */ + case 0: /* End of the vector. */ return 0; - default: /* Bogosity. */ + default: /* Bogosity. */ return -1; } } @@ -426,8 +416,7 @@ fprint_auxv_entry (struct ui_file *file, const char *name, const char *description, enum auxv_format format, CORE_ADDR type, CORE_ADDR val) { - gdb_printf (file, ("%-4s %-20s %-30s "), - plongest (type), name, description); + gdb_printf (file, ("%-4s %-20s %-30s "), plongest (type), name, description); switch (format) { case AUXV_FORMAT_DEC: @@ -443,8 +432,8 @@ fprint_auxv_entry (struct ui_file *file, const char *name, get_user_print_options (&opts); if (opts.addressprint) gdb_printf (file, ("%s "), paddress (target_gdbarch (), val)); - val_print_string (builtin_type (target_gdbarch ())->builtin_char, - NULL, val, -1, file, &opts); + val_print_string (builtin_type (target_gdbarch ())->builtin_char, NULL, + val, -1, file, &opts); gdb_printf (file, ("\n")); } break; @@ -464,92 +453,99 @@ default_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, switch (type) { #define TAG(tag, text, kind) \ - case tag: name = #tag; description = text; format = kind; break - TAG (AT_NULL, _("End of vector"), AUXV_FORMAT_HEX); - TAG (AT_IGNORE, _("Entry should be ignored"), AUXV_FORMAT_HEX); - TAG (AT_EXECFD, _("File descriptor of program"), AUXV_FORMAT_DEC); - TAG (AT_PHDR, _("Program headers for program"), AUXV_FORMAT_HEX); - TAG (AT_PHENT, _("Size of program header entry"), AUXV_FORMAT_DEC); - TAG (AT_PHNUM, _("Number of program headers"), AUXV_FORMAT_DEC); - TAG (AT_PAGESZ, _("System page size"), AUXV_FORMAT_DEC); - TAG (AT_BASE, _("Base address of interpreter"), AUXV_FORMAT_HEX); - TAG (AT_FLAGS, _("Flags"), AUXV_FORMAT_HEX); - TAG (AT_ENTRY, _("Entry point of program"), AUXV_FORMAT_HEX); - TAG (AT_NOTELF, _("Program is not ELF"), AUXV_FORMAT_DEC); - TAG (AT_UID, _("Real user ID"), AUXV_FORMAT_DEC); - TAG (AT_EUID, _("Effective user ID"), AUXV_FORMAT_DEC); - TAG (AT_GID, _("Real group ID"), AUXV_FORMAT_DEC); - TAG (AT_EGID, _("Effective group ID"), AUXV_FORMAT_DEC); - TAG (AT_CLKTCK, _("Frequency of times()"), AUXV_FORMAT_DEC); - TAG (AT_PLATFORM, _("String identifying platform"), AUXV_FORMAT_STR); - TAG (AT_HWCAP, _("Machine-dependent CPU capability hints"), + case tag: \ + name = #tag; \ + description = text; \ + format = kind; \ + break + TAG (AT_NULL, _ ("End of vector"), AUXV_FORMAT_HEX); + TAG (AT_IGNORE, _ ("Entry should be ignored"), AUXV_FORMAT_HEX); + TAG (AT_EXECFD, _ ("File descriptor of program"), AUXV_FORMAT_DEC); + TAG (AT_PHDR, _ ("Program headers for program"), AUXV_FORMAT_HEX); + TAG (AT_PHENT, _ ("Size of program header entry"), AUXV_FORMAT_DEC); + TAG (AT_PHNUM, _ ("Number of program headers"), AUXV_FORMAT_DEC); + TAG (AT_PAGESZ, _ ("System page size"), AUXV_FORMAT_DEC); + TAG (AT_BASE, _ ("Base address of interpreter"), AUXV_FORMAT_HEX); + TAG (AT_FLAGS, _ ("Flags"), AUXV_FORMAT_HEX); + TAG (AT_ENTRY, _ ("Entry point of program"), AUXV_FORMAT_HEX); + TAG (AT_NOTELF, _ ("Program is not ELF"), AUXV_FORMAT_DEC); + TAG (AT_UID, _ ("Real user ID"), AUXV_FORMAT_DEC); + TAG (AT_EUID, _ ("Effective user ID"), AUXV_FORMAT_DEC); + TAG (AT_GID, _ ("Real group ID"), AUXV_FORMAT_DEC); + TAG (AT_EGID, _ ("Effective group ID"), AUXV_FORMAT_DEC); + TAG (AT_CLKTCK, _ ("Frequency of times()"), AUXV_FORMAT_DEC); + TAG (AT_PLATFORM, _ ("String identifying platform"), AUXV_FORMAT_STR); + TAG (AT_HWCAP, _ ("Machine-dependent CPU capability hints"), AUXV_FORMAT_HEX); - TAG (AT_FPUCW, _("Used FPU control word"), AUXV_FORMAT_DEC); - TAG (AT_DCACHEBSIZE, _("Data cache block size"), AUXV_FORMAT_DEC); - TAG (AT_ICACHEBSIZE, _("Instruction cache block size"), AUXV_FORMAT_DEC); - TAG (AT_UCACHEBSIZE, _("Unified cache block size"), AUXV_FORMAT_DEC); - TAG (AT_IGNOREPPC, _("Entry should be ignored"), AUXV_FORMAT_DEC); - TAG (AT_BASE_PLATFORM, _("String identifying base platform"), + TAG (AT_FPUCW, _ ("Used FPU control word"), AUXV_FORMAT_DEC); + TAG (AT_DCACHEBSIZE, _ ("Data cache block size"), AUXV_FORMAT_DEC); + TAG (AT_ICACHEBSIZE, _ ("Instruction cache block size"), + AUXV_FORMAT_DEC); + TAG (AT_UCACHEBSIZE, _ ("Unified cache block size"), AUXV_FORMAT_DEC); + TAG (AT_IGNOREPPC, _ ("Entry should be ignored"), AUXV_FORMAT_DEC); + TAG (AT_BASE_PLATFORM, _ ("String identifying base platform"), AUXV_FORMAT_STR); - TAG (AT_RANDOM, _("Address of 16 random bytes"), AUXV_FORMAT_HEX); - TAG (AT_HWCAP2, _("Extension of AT_HWCAP"), AUXV_FORMAT_HEX); - TAG (AT_EXECFN, _("File name of executable"), AUXV_FORMAT_STR); - TAG (AT_SECURE, _("Boolean, was exec setuid-like?"), AUXV_FORMAT_DEC); - TAG (AT_SYSINFO, _("Special system info/entry points"), AUXV_FORMAT_HEX); - TAG (AT_SYSINFO_EHDR, _("System-supplied DSO's ELF header"), + TAG (AT_RANDOM, _ ("Address of 16 random bytes"), AUXV_FORMAT_HEX); + TAG (AT_HWCAP2, _ ("Extension of AT_HWCAP"), AUXV_FORMAT_HEX); + TAG (AT_EXECFN, _ ("File name of executable"), AUXV_FORMAT_STR); + TAG (AT_SECURE, _ ("Boolean, was exec setuid-like?"), AUXV_FORMAT_DEC); + TAG (AT_SYSINFO, _ ("Special system info/entry points"), + AUXV_FORMAT_HEX); + TAG (AT_SYSINFO_EHDR, _ ("System-supplied DSO's ELF header"), + AUXV_FORMAT_HEX); + TAG (AT_L1I_CACHESHAPE, _ ("L1 Instruction cache information"), AUXV_FORMAT_HEX); - TAG (AT_L1I_CACHESHAPE, _("L1 Instruction cache information"), + TAG (AT_L1I_CACHESIZE, _ ("L1 Instruction cache size"), AUXV_FORMAT_HEX); + TAG (AT_L1I_CACHEGEOMETRY, _ ("L1 Instruction cache geometry"), AUXV_FORMAT_HEX); - TAG (AT_L1I_CACHESIZE, _("L1 Instruction cache size"), AUXV_FORMAT_HEX); - TAG (AT_L1I_CACHEGEOMETRY, _("L1 Instruction cache geometry"), + TAG (AT_L1D_CACHESHAPE, _ ("L1 Data cache information"), AUXV_FORMAT_HEX); - TAG (AT_L1D_CACHESHAPE, _("L1 Data cache information"), AUXV_FORMAT_HEX); - TAG (AT_L1D_CACHESIZE, _("L1 Data cache size"), AUXV_FORMAT_HEX); - TAG (AT_L1D_CACHEGEOMETRY, _("L1 Data cache geometry"), + TAG (AT_L1D_CACHESIZE, _ ("L1 Data cache size"), AUXV_FORMAT_HEX); + TAG (AT_L1D_CACHEGEOMETRY, _ ("L1 Data cache geometry"), AUXV_FORMAT_HEX); - TAG (AT_L2_CACHESHAPE, _("L2 cache information"), AUXV_FORMAT_HEX); - TAG (AT_L2_CACHESIZE, _("L2 cache size"), AUXV_FORMAT_HEX); - TAG (AT_L2_CACHEGEOMETRY, _("L2 cache geometry"), AUXV_FORMAT_HEX); - TAG (AT_L3_CACHESHAPE, _("L3 cache information"), AUXV_FORMAT_HEX); - TAG (AT_L3_CACHESIZE, _("L3 cache size"), AUXV_FORMAT_HEX); - TAG (AT_L3_CACHEGEOMETRY, _("L3 cache geometry"), AUXV_FORMAT_HEX); - TAG (AT_MINSIGSTKSZ, _("Minimum stack size for signal delivery"), + TAG (AT_L2_CACHESHAPE, _ ("L2 cache information"), AUXV_FORMAT_HEX); + TAG (AT_L2_CACHESIZE, _ ("L2 cache size"), AUXV_FORMAT_HEX); + TAG (AT_L2_CACHEGEOMETRY, _ ("L2 cache geometry"), AUXV_FORMAT_HEX); + TAG (AT_L3_CACHESHAPE, _ ("L3 cache information"), AUXV_FORMAT_HEX); + TAG (AT_L3_CACHESIZE, _ ("L3 cache size"), AUXV_FORMAT_HEX); + TAG (AT_L3_CACHEGEOMETRY, _ ("L3 cache geometry"), AUXV_FORMAT_HEX); + TAG (AT_MINSIGSTKSZ, _ ("Minimum stack size for signal delivery"), AUXV_FORMAT_HEX); - TAG (AT_SUN_UID, _("Effective user ID"), AUXV_FORMAT_DEC); - TAG (AT_SUN_RUID, _("Real user ID"), AUXV_FORMAT_DEC); - TAG (AT_SUN_GID, _("Effective group ID"), AUXV_FORMAT_DEC); - TAG (AT_SUN_RGID, _("Real group ID"), AUXV_FORMAT_DEC); - TAG (AT_SUN_LDELF, _("Dynamic linker's ELF header"), AUXV_FORMAT_HEX); - TAG (AT_SUN_LDSHDR, _("Dynamic linker's section headers"), + TAG (AT_SUN_UID, _ ("Effective user ID"), AUXV_FORMAT_DEC); + TAG (AT_SUN_RUID, _ ("Real user ID"), AUXV_FORMAT_DEC); + TAG (AT_SUN_GID, _ ("Effective group ID"), AUXV_FORMAT_DEC); + TAG (AT_SUN_RGID, _ ("Real group ID"), AUXV_FORMAT_DEC); + TAG (AT_SUN_LDELF, _ ("Dynamic linker's ELF header"), AUXV_FORMAT_HEX); + TAG (AT_SUN_LDSHDR, _ ("Dynamic linker's section headers"), AUXV_FORMAT_HEX); - TAG (AT_SUN_LDNAME, _("String giving name of dynamic linker"), + TAG (AT_SUN_LDNAME, _ ("String giving name of dynamic linker"), AUXV_FORMAT_STR); - TAG (AT_SUN_LPAGESZ, _("Large pagesize"), AUXV_FORMAT_DEC); - TAG (AT_SUN_PLATFORM, _("Platform name string"), AUXV_FORMAT_STR); - TAG (AT_SUN_CAP_HW1, _("Machine-dependent CPU capability hints"), + TAG (AT_SUN_LPAGESZ, _ ("Large pagesize"), AUXV_FORMAT_DEC); + TAG (AT_SUN_PLATFORM, _ ("Platform name string"), AUXV_FORMAT_STR); + TAG (AT_SUN_CAP_HW1, _ ("Machine-dependent CPU capability hints"), AUXV_FORMAT_HEX); - TAG (AT_SUN_IFLUSH, _("Should flush icache?"), AUXV_FORMAT_DEC); - TAG (AT_SUN_CPU, _("CPU name string"), AUXV_FORMAT_STR); - TAG (AT_SUN_EMUL_ENTRY, _("COFF entry point address"), AUXV_FORMAT_HEX); - TAG (AT_SUN_EMUL_EXECFD, _("COFF executable file descriptor"), + TAG (AT_SUN_IFLUSH, _ ("Should flush icache?"), AUXV_FORMAT_DEC); + TAG (AT_SUN_CPU, _ ("CPU name string"), AUXV_FORMAT_STR); + TAG (AT_SUN_EMUL_ENTRY, _ ("COFF entry point address"), AUXV_FORMAT_HEX); + TAG (AT_SUN_EMUL_EXECFD, _ ("COFF executable file descriptor"), AUXV_FORMAT_DEC); - TAG (AT_SUN_EXECNAME, - _("Canonicalized file name given to execve"), AUXV_FORMAT_STR); - TAG (AT_SUN_MMU, _("String for name of MMU module"), AUXV_FORMAT_STR); - TAG (AT_SUN_LDDATA, _("Dynamic linker's data segment address"), + TAG (AT_SUN_EXECNAME, _ ("Canonicalized file name given to execve"), + AUXV_FORMAT_STR); + TAG (AT_SUN_MMU, _ ("String for name of MMU module"), AUXV_FORMAT_STR); + TAG (AT_SUN_LDDATA, _ ("Dynamic linker's data segment address"), + AUXV_FORMAT_HEX); + TAG (AT_SUN_AUXFLAGS, _ ("AF_SUN_ flags passed from the kernel"), AUXV_FORMAT_HEX); - TAG (AT_SUN_AUXFLAGS, - _("AF_SUN_ flags passed from the kernel"), AUXV_FORMAT_HEX); - TAG (AT_SUN_EMULATOR, _("Name of emulation binary for runtime linker"), + TAG (AT_SUN_EMULATOR, _ ("Name of emulation binary for runtime linker"), AUXV_FORMAT_STR); - TAG (AT_SUN_BRANDNAME, _("Name of brand library"), AUXV_FORMAT_STR); - TAG (AT_SUN_BRAND_AUX1, _("Aux vector for brand modules 1"), + TAG (AT_SUN_BRANDNAME, _ ("Name of brand library"), AUXV_FORMAT_STR); + TAG (AT_SUN_BRAND_AUX1, _ ("Aux vector for brand modules 1"), AUXV_FORMAT_HEX); - TAG (AT_SUN_BRAND_AUX2, _("Aux vector for brand modules 2"), + TAG (AT_SUN_BRAND_AUX2, _ ("Aux vector for brand modules 2"), AUXV_FORMAT_HEX); - TAG (AT_SUN_BRAND_AUX3, _("Aux vector for brand modules 3"), + TAG (AT_SUN_BRAND_AUX3, _ ("Aux vector for brand modules 3"), AUXV_FORMAT_HEX); - TAG (AT_SUN_CAP_HW2, _("Machine-dependent CPU capability hints 2"), + TAG (AT_SUN_CAP_HW2, _ ("Machine-dependent CPU capability hints 2"), AUXV_FORMAT_HEX); } @@ -574,8 +570,9 @@ fprint_target_auxv (struct ui_file *file) size_t len = auxv->size (); while (parse_auxv (current_inferior ()->top_target (), - current_inferior ()->gdbarch, - &ptr, data + len, &type, &val) > 0) + current_inferior ()->gdbarch, &ptr, data + len, &type, + &val) + > 0) { gdbarch_print_auxv_entry (gdbarch, file, type, val); ++ents; @@ -589,25 +586,26 @@ fprint_target_auxv (struct ui_file *file) static void info_auxv_command (const char *cmd, int from_tty) { - if (! target_has_stack ()) - error (_("The program has no auxiliary information now.")); + if (!target_has_stack ()) + error (_ ("The program has no auxiliary information now.")); else { int ents = fprint_target_auxv (gdb_stdout); if (ents < 0) - error (_("No auxiliary vector found, or failed reading it.")); + error (_ ("No auxiliary vector found, or failed reading it.")); else if (ents == 0) - error (_("Auxiliary vector is empty.")); + error (_ ("Auxiliary vector is empty.")); } } void _initialize_auxv (); + void _initialize_auxv () { add_info ("auxv", info_auxv_command, - _("Display the inferior's auxiliary vector.\n\ + _ ("Display the inferior's auxiliary vector.\n\ This is information provided by the operating system at program startup.")); /* Observers used to invalidate the auxv cache when needed. */ |