X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fauxv.h;h=9525801e37dbfda7e452178129ab96830cfb2a9c;hb=f2e1c129f8f0985ec80e6cf775cf3e4afbced6fa;hp=9efe604d8ca2f5d0e30023d9e436cd7d46b7de4d;hpb=618f726fcb851883a0094aa7fa17003889b7189f;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/auxv.h b/gdb/auxv.h index 9efe604d8c..9525801e37 100644 --- a/gdb/auxv.h +++ b/gdb/auxv.h @@ -1,6 +1,6 @@ /* Auxiliary vector support for GDB, the GNU debugger. - Copyright (C) 2004-2016 Free Software Foundation, Inc. + Copyright (C) 2004-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -25,18 +25,32 @@ /* See "include/elf/common.h" for the definition of valid AT_* values. */ /* The default implementation of to_auxv_parse, used by the target - stack. */ + stack. + Read one auxv entry from *READPTR, not reading locations >= ENDPTR. + Return 0 if *READPTR is already at the end of the buffer. + Return -1 if there is insufficient buffer for a whole entry. + Return 1 if an entry was read into *TYPEP and *VALP. */ extern int default_auxv_parse (struct target_ops *ops, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); +/* The SVR4 psABI implementation of to_auxv_parse, that uses an int to + store the type rather than long as assumed by the default parser. + + Read one auxv entry from *READPTR, not reading locations >= ENDPTR. + Return 0 if *READPTR is already at the end of the buffer. + Return -1 if there is insufficient buffer for a whole entry. + Return 1 if an entry was read into *TYPEP and *VALP. */ +extern int svr4_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, + gdb_byte *endptr, CORE_ADDR *typep, + CORE_ADDR *valp); + /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. Return 0 if *READPTR is already at the end of the buffer. Return -1 if there is insufficient buffer for a whole entry. Return 1 if an entry was read into *TYPEP and *VALP. */ -extern int target_auxv_parse (struct target_ops *ops, - gdb_byte **readptr, gdb_byte *endptr, +extern int target_auxv_parse (gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); /* Extract the auxiliary vector entry with a_type matching MATCH. @@ -46,6 +60,20 @@ extern int target_auxv_parse (struct target_ops *ops, extern int target_auxv_search (struct target_ops *ops, CORE_ADDR match, CORE_ADDR *valp); +/* Print a description of a single AUXV entry on the specified file. */ +enum auxv_format { AUXV_FORMAT_DEC, AUXV_FORMAT_HEX, AUXV_FORMAT_STR }; + +extern void fprint_auxv_entry (struct ui_file *file, const char *name, + const char *description, + enum auxv_format format, CORE_ADDR type, + CORE_ADDR val); + +/* The default implementation of gdbarch_print_auxv_entry. */ + +extern void default_print_auxv_entry (struct gdbarch *gdbarch, + struct ui_file *file, CORE_ADDR type, + CORE_ADDR val); + /* Print the contents of the target's AUXV on the specified file. */ extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);