forked from Imagelibrary/binutils-gdb
2011-08-09 Pedro Alves <pedro@codesourcery.com>
gdb/ * elfread.c (elf_symtab_read): Ditto. * maint.c (maintenance_command): Ditto. * somread.c (som_symtab_read): Ditto. * solib.c (solib_find, solib_map_sections, update_solib_list) (solib_add, info_sharedlibrary_command, solib_name_from_address) (solib_create_inferior_hook, in_solib_dynsym_resolve_code) (sharedlibrary_command, no_shared_libraries): Rework comments. * solib-irix.c (locate_base, disable_break, enable_break) (irix_solib_create_inferior_hook, irix_solib_create_inferior_hook) (irix_current_sos, irix_open_symbol_file_object) (irix_special_symbol_handling): Ditto. * solib-sunos.c (locate_base, first_link_map_member) (sunos_current_sos, disable_break, enable_break) (sunos_special_symbol_handling, sunos_solib_create_inferior_hook): Ditto. * solib-svr4.c (bfd_lookup_symbol, elf_locate_base, locate_base) (open_symbol_file_object, svr4_current_sos, enable_break) (svr4_special_symbol_handling, svr4_solib_create_inferior_hook): Ditto. * solib-frv.c (bfd_lookup_symbol, open_symbol_file_object) (frv_current_sos, enable_break, frv_special_symbol_handling) (frv_solib_create_inferior_hook): Ditto. * solist.h (struct target_so_ops): Extend the comments of the special_symbol_handling, current_sos and open_symbol_file_object methods.
This commit is contained in:
Pedro Alves
137
gdb/solib-irix.c
137
gdb/solib-irix.c
@@ -244,17 +244,7 @@ static void *base_breakpoint;
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static CORE_ADDR debug_base; /* Base of dynamic linker structures. */
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/*
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LOCAL FUNCTION
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locate_base -- locate the base address of dynamic linker structs
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SYNOPSIS
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CORE_ADDR locate_base (void)
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DESCRIPTION
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/* Locate the base address of dynamic linker structs.
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For both the SunOS and SVR4 shared library implementations, if the
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inferior executable has been linked dynamically, there is a single
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@@ -287,9 +277,7 @@ static CORE_ADDR debug_base; /* Base of dynamic linker structures. */
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we need to find this address. We may be stopped on the first instruc-
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tion of the interpreter (C shared library), the first instruction of
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the executable itself, or somewhere else entirely (if we attached
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to the process for example).
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*/
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to the process for example). */
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static CORE_ADDR
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locate_base (void)
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@@ -305,22 +293,10 @@ locate_base (void)
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return (address);
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}
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/*
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LOCAL FUNCTION
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disable_break -- remove the "mapping changed" breakpoint
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SYNOPSIS
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static int disable_break ()
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DESCRIPTION
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/* Remove the "mapping changed" breakpoint.
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Removes the breakpoint that gets hit when the dynamic linker
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completes a mapping change.
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*/
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completes a mapping change. */
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static int
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disable_break (void)
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@@ -346,21 +322,10 @@ disable_break (void)
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return (status);
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}
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/*
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LOCAL FUNCTION
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enable_break -- arrange for dynamic linker to hit breakpoint
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SYNOPSIS
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int enable_break (void)
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DESCRIPTION
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/* Arrange for dynamic linker to hit breakpoint.
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This functions inserts a breakpoint at the entry point of the
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main executable, where all shared libraries are mapped in.
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*/
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main executable, where all shared libraries are mapped in. */
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static int
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enable_break (void)
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@@ -384,22 +349,7 @@ enable_break (void)
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return 0;
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}
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/*
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LOCAL FUNCTION
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irix_solib_create_inferior_hook -- shared library startup support
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SYNOPSIS
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void solib_create_inferior_hook (int from_tty)
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DESCRIPTION
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When gdb starts up the inferior, it nurses it along (through the
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shell) until it is ready to execute it's first instruction. At this
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point, this function gets called via expansion of the macro
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SOLIB_CREATE_INFERIOR_HOOK.
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/* Implement the "create_inferior_hook" target_solib_ops method.
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For SunOS executables, this first instruction is typically the
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one at "_start", or a similar text label, regardless of whether
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@@ -433,8 +383,7 @@ enable_break (void)
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handling will probably have to wait until the implementation is
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changed to use the "breakpoint handler function" method.
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Also, what if child has exit()ed? Must exit loop somehow.
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*/
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Also, what if child has exit()ed? Must exit loop somehow. */
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static void
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irix_solib_create_inferior_hook (int from_tty)
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@@ -499,24 +448,7 @@ irix_solib_create_inferior_hook (int from_tty)
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inf->control.stop_soon = NO_STOP_QUIETLY;
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}
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/* LOCAL FUNCTION
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current_sos -- build a list of currently loaded shared objects
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SYNOPSIS
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struct so_list *current_sos ()
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DESCRIPTION
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Build a list of `struct so_list' objects describing the shared
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objects currently loaded in the inferior. This list does not
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include an entry for the main executable file.
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Note that we only gather information directly available from the
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inferior --- we don't examine any of the shared library files
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themselves. The declaration of `struct so_list' says which fields
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we provide values for. */
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/* Implement the "current_sos" target_so_ops method. */
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static struct so_list *
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irix_current_sos (void)
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@@ -603,27 +535,12 @@ irix_current_sos (void)
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return head;
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}
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/*
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/* Implement the "open_symbol_file_object" target_so_ops method.
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LOCAL FUNCTION
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irix_open_symbol_file_object
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SYNOPSIS
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void irix_open_symbol_file_object (void *from_tty)
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DESCRIPTION
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If no open symbol file, attempt to locate and open the main symbol
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file. On IRIX, this is the first link map entry. If its name is
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here, we can open it. Useful when attaching to a process without
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first loading its symbol file.
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If FROM_TTYP dereferences to a non-zero integer, allow messages to
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be printed. This parameter is a pointer rather than an int because
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open_symbol_file_object() is called via catch_errors() and
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catch_errors() requires a pointer argument. */
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If no open symbol file, attempt to locate and open the main symbol
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file. On IRIX, this is the first link map entry. If its name is
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here, we can open it. Useful when attaching to a process without
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first loading its symbol file. */
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static int
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irix_open_symbol_file_object (void *from_ttyp)
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@@ -676,31 +593,9 @@ irix_open_symbol_file_object (void *from_ttyp)
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return 1;
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}
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/* Implement the "special_symbol_handling" target_so_ops method.
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/*
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LOCAL FUNCTION
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irix_special_symbol_handling -- additional shared library symbol handling
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SYNOPSIS
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void irix_special_symbol_handling ()
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DESCRIPTION
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Once the symbols from a shared object have been loaded in the usual
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way, we are called to do any system specific symbol handling that
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is needed.
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For SunOS4, this consisted of grunging around in the dynamic
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linkers structures to find symbol definitions for "common" symbols
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and adding them to the minimal symbol table for the runtime common
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objfile.
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However, for IRIX, there's nothing to do.
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*/
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For IRIX, there's nothing to do. */
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static void
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irix_special_symbol_handling (void)
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