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Added NOP final stage to pinpoint plugin

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York Jasper Niebuhr 2025-10-25 23:56:58 +02:00
parent ecfeed59ee
commit 3b49742f87
6 changed files with 26 additions and 6 deletions
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1
pinpoint/CMakeLists.txt
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@ -10,3 +10,4 @@ target_include_directories(spslr_pinpoint PRIVATE ${GCC_PLUGIN_PATH}/include ${C
add_subdirectory(stage0)
add_subdirectory(stage1)
add_subdirectory(final)

2
pinpoint/final/CMakeLists.txt Normal file
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@ -0,0 +1,2 @@
target_sources(spslr_pinpoint PRIVATE on_finish_unit.cpp)
target_include_directories(spslr_pinpoint PRIVATE .)

3
pinpoint/final/final.h Normal file
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@ -0,0 +1,3 @@
#pragma once
void on_finish_unit(void* plugin_data, void* user_data);

15
pinpoint/final/on_finish_unit.cpp Normal file
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@ -0,0 +1,15 @@
#include <iostream>
#include <final.h>
#include <safe-input.h>
void on_finish_unit(void* plugin_data, void* user_data) {
/*
TODO
The result lbasename(...) is not unique (e.g., "file.c" and "sub/file.c")
Calculate UID for compilation unit -> hash(main_input_filename)
Add UID symbol to CU -> __spslr_cu_<uid>
Then dump accumulated data for finalizer
*/
std::cout << "Finishing unit \"" << lbasename(main_input_filename) << "\"" << std::endl;
}

5
pinpoint/pinpoint.cpp
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@ -5,6 +5,7 @@
#include <stage0.h>
#include <stage1.h>
#include <final.h>
int plugin_is_GPL_compatible;
@ -37,5 +38,9 @@ int plugin_init(struct plugin_name_args* plugin_info, struct plugin_gcc_version*
asm_offset_pass_info.pos_op = PASS_POS_INSERT_AFTER;
register_callback(plugin_info->base_name, PLUGIN_PASS_MANAGER_SETUP, nullptr, &asm_offset_pass_info);
// Final stage -> dump accumulated information
register_callback(plugin_info->base_name, PLUGIN_FINISH_UNIT, on_finish_unit, NULL);
return 0;
}

6
pinpoint/stage0/on_finish_decl.cpp
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@ -1,8 +1,6 @@
#include <iostream> // TODO
#include <stage0.h>
#include <pinpoint_error.h>
#include <safe-input.h>
static std::list<DataPin> pins;
@ -73,11 +71,7 @@ static void on_static_var(tree var) {
pinpoint_fatal("on_static_var failed to get symbol of static variable");
pin.symbol = std::string{ symbol };
pins.emplace_back(std::move(pin));
// TODO
std::cout << "Pinned: \"" << symbol << "\" (" << lbasename(main_input_filename) << ")" << std::endl;
}
void on_finish_decl(void* plugin_data, void* user_data) {