From 99d0ff1311472007bd5776d5e2ae6480a180033d Mon Sep 17 00:00:00 2001
From: Amanda Butler <Amanda.Butler@arm.com>
Date: Tue, 20 Dec 2016 11:44:48 -0600
Subject: [PATCH] Delete Toolchain_Profiles.md

Delete page because duplicate exists in Handbook
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-# Toolchain Profiles User Perspective
-
-A Toolchain or build system Profile is a set of flags that is garenteed to be passed to the underlieing compiler suite.
-These flags are stored in a JSON file that may be merged with other JSON files of the same structure.
-
-## JSON Toolchain Profile Format
-
-The JSON object that represents a Toolchain Profile is a dict mapping from Toolchains, like `GCC_ARM`, to their flags, like `-O3`.
-The structure is as follows: Each toolchain supported by a Toolchain Profile has an dict in the root dict. 
-This dict contains a mapping from a flag type to a list of flags that should be passed the corresponding part of the compiler suite.
-The required flag types are:
-
-| Key      | Description                           |
-|:---------|:--------------------------------------|
-| `c`      | Flags for the C Compiler              |
-| `cxx`    | Flags for the C++ Compiler            |
-| `common` | Flags for both the C and C++ Compilers|
-| `asm`    | Flags for the Assembler               |
-
-## Example
-
-An example of a Toolchain Profile is given below:
-```json
-{
-    "GCC_ARM": {
-        "common": ["-c", "-Wall", "-Wextra",
-                   "-Wno-unused-parameter", "-Wno-missing-field-initializers",
-                   "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
-                   "-ffunction-sections", "-fdata-sections", "-funsigned-char",
-                   "-MMD", "-fno-delete-null-pointer-checks",
-                   "-fomit-frame-pointer", "-Os"],
-        "asm": ["-x", "assembler-with-cpp"],
-        "c": ["-std=gnu99"],
-        "cxx": ["-std=gnu++98", "-fno-rtti", "-Wvla"],
-        "ld": ["-Wl,--gc-sections", "-Wl,--wrap,main", "-Wl,--wrap,_malloc_r",
-               "-Wl,--wrap,_free_r", "-Wl,--wrap,_realloc_r",
-               "-Wl,--wrap,_calloc_r", "-Wl,--wrap,exit", "-Wl,--wrap,atexit"]
-    },
-    "ARM": {
-        "common": ["-c", "--gnu", "-Otime", "--split_sections",
-                   "--apcs=interwork", "--brief_diagnostics", "--restrict",
-                   "--multibyte_chars", "-O3"],
-        "asm": [],
-        "c": ["--md", "--no_depend_system_headers", "--c99", "-D__ASSERT_MSG"],
-        "cxx": ["--cpp", "--no_rtti", "--no_vla"],
-        "ld": []
-    },
-    "IAR": {
-        "common": [
-            "--no_wrap_diagnostics", "non-native end of line sequence", "-e",
-            "--diag_suppress=Pa050,Pa084,Pa093,Pa082", "-Oh"],
-        "asm": [],
-        "c": ["--vla"],
-        "cxx": ["--guard_calls", "--no_static_destruction"],
-        "ld": ["--skip_dynamic_initialization", "--threaded_lib"]
-    }
-}
-```
-
-From this Toolchain profile, we can tell that:
- - `GCC_ARM`, `ARM`, and `IAR` compiler suites are supported.
- - The `ARM` C and C++ Compilers will be using optimization level `-O3`
- - The `IAR` linker will skip dynamic initialization
- - etc.
-
-# Toolchain Profile API Perspective
-
-The Toolchains no longer take in an optional argument, `build_profile`, that will contain a map from flag types to lists of flags.
-This looks exactly the same in python as it does in the JSON format above.
-The meaning of the flags, and which ones are required is the same as the User Perspective
-A developer using the API must parse the User provided files themselves and extract the appropriate sub-dict from the file afterwards.
-A convienence function that does this for a developer is `tools.options.extract_profile` and will call args_error when a Toolchain Profile JSON file does not provide flags for the selected Toolchain.