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third_party/blazesym/data/test-gsym.c

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+/* The sample program is used to generate test.gsym.
+ *
+ * Chosen functions are placed in dedicated sections to allow for control placement.
+ */
+
+__attribute__((section(".text.factorial"))) unsigned int
+factorial(unsigned int n) {
+	if (n == 0)
+		return 1;
+	return factorial(n - 1) * n;
+}
+
+static inline void
+factorial_inline_wrapper() {
+	factorial(5);
+}
+
+__attribute__((section(".text.main"))) int
+main(int argc, const char *argv[]) {
+	factorial_inline_wrapper();
+	return 0;
+}

third_party/blazesym/data/test-gsym.ld

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+SECTIONS {
+  .text (0x2000000) : {
+    *(.text.main)
+    *(.text)
+    . = ABSOLUTE(0x2000100);
+    *(.text.factorial)
+  }
+  .data : {
+    *(.data)
+  }
+  .bss : {
+    *(.bss)
+  }
+
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.
+   */
+  /* DWARF 1.  */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions.  */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2.  */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2.  */
+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+
+  /DISCARD/ : {
+    *(.*)
+  }
+}

third_party/blazesym/data/test.c

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+/*
+ * The sample program is used to generate test.bin.
+ */
+
+#include <stdio.h>
+
+static
+unsigned int fibonacci(unsigned int n) {
+  if (n <= 1)
+    return n;
+  return fibonacci(n - 1) + fibonacci(n - 2);
+}
+
+int
+main() {
+  int i;
+  printf("calculate fibonacci(n); n = ");
+  scanf("%d", &i);
+
+  printf("fibonacci(%d) = %d\n", i, fibonacci(i));
+  return 0;
+}