From b6627f53bf459334446bb1e2c51728a764c8651d Mon Sep 17 00:00:00 2001 From: johannst Date: Fri, 14 Mar 2025 01:19:37 +0000 Subject: deploy: cb9e06f3a5bd9d42494e6abdaf61fb3fe19d4ea4 --- development/c++.html | 6 +++--- development/c++filt.html | 6 +++--- development/cmake.html | 6 +++--- development/gcc.html | 33 ++++++++++++++++++++++++++------- development/gcov.html | 6 +++--- development/git.html | 6 +++--- development/glibc.html | 6 +++--- development/index.html | 6 +++--- development/ld.so.html | 6 +++--- development/make.html | 6 +++--- development/pgo.html | 6 +++--- development/python.html | 6 +++--- development/symbolver.html | 6 +++--- 13 files changed, 62 insertions(+), 43 deletions(-) (limited to 'development') diff --git a/development/c++.html b/development/c++.html index efa3275..97758c8 100644 --- a/development/c++.html +++ b/development/c++.html @@ -24,9 +24,9 @@ - - - + + + diff --git a/development/c++filt.html b/development/c++filt.html index f412c28..4a69661 100644 --- a/development/c++filt.html +++ b/development/c++filt.html @@ -24,9 +24,9 @@ - - - + + + diff --git a/development/cmake.html b/development/cmake.html index 9dde93f..b301649 100644 --- a/development/cmake.html +++ b/development/cmake.html @@ -24,9 +24,9 @@ - - - + + + diff --git a/development/gcc.html b/development/gcc.html index 2de7655..5b0fcc0 100644 --- a/development/gcc.html +++ b/development/gcc.html @@ -24,9 +24,9 @@ - - - + + + @@ -157,6 +157,16 @@

gcc(1)

CLI

+

Preprocessing

While debugging can be helpful to just pre-process files.

gcc -E [-dM] ...
@@ -164,10 +174,6 @@
 
    
 
  • -E run only preprocessor
    • 
 
  • -dM list only #define statements
    • 
-
  • -### dry-run, outputting exact compiler/linker invocations
    • 
-
  • -print-multi-lib print available multilib configurations
    • 
-
  • --help=<class> print description of cmdline options for given class, eg
-warnings, optimizers, target, c, c++
    • 
 

 
Target options

 
# List all target options with their description.
@@ -185,6 +191,19 @@ gcc --help=optimizers
 # Prepend --help with `-Q` to print wheter options are enabled or disabled
 # instead showing their description.
 

+
Sanitizer

+
# Enable address sanitizer, a memory error checker (out of bounds, use after free, ..).
+gcc -fsanitize=address ...
+
+# Enable leak sanitizer, a memory leak detector.
+gcc -fsanitize=leak
+
+# Enable undefined behavior sanitizer, detects various UBs (integer overflow, ..).
+gcc -fsanitize=undefined ...
+
+# Enable thread sanitizer, a data race detector.
+gcc -fsanitize=thread
+

 
Builtins

 
__builtin_expect(expr, cond)

 
Give the compiler a hint which branch is hot, so it can lay out the code
diff --git a/development/gcov.html b/development/gcov.html
index ed839c5..2bb0b94 100644
--- a/development/gcov.html
+++ b/development/gcov.html
@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/git.html b/development/git.html
index 4dbf81b..c25adc2 100644
--- a/development/git.html
+++ b/development/git.html
@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/glibc.html b/development/glibc.html
index 3ab9f50..d10049c 100644
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+++ b/development/glibc.html
@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/index.html b/development/index.html
index 21abf36..b93cc47 100644
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@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/ld.so.html b/development/ld.so.html
index e330072..24bcef5 100644
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@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/make.html b/development/make.html
index 4cc6650..5e9470a 100644
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@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/pgo.html b/development/pgo.html
index 7f8d9c8..cb041d6 100644
--- a/development/pgo.html
+++ b/development/pgo.html
@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/python.html b/development/python.html
index f536432..1652215 100644
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@@ -24,9 +24,9 @@
         
 
         
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diff --git a/development/symbolver.html b/development/symbolver.html
index 1436741..0615e83 100644
--- a/development/symbolver.html
+++ b/development/symbolver.html
@@ -24,9 +24,9 @@
         
 
         
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