diff options
Diffstat (limited to 'gdb/doc/stabs.texinfo')
| -rw-r--r-- | gdb/doc/stabs.texinfo | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/gdb/doc/stabs.texinfo b/gdb/doc/stabs.texinfo index cfd65b4..dca6094 100644 --- a/gdb/doc/stabs.texinfo +++ b/gdb/doc/stabs.texinfo @@ -472,7 +472,7 @@ file. @code{C_BINCL} and @code{C_EINCL} do not nest. @findex N_SLINE An @code{N_SLINE} symbol represents the start of a source line. The -desc field contains the line number and the value field +desc field contains the line number and the value contains the code address for the start of that source line. On most machines the address is absolute; for Sun's stabs-in-ELF, it is relative to the function in which the @code{N_SLINE} symbol occurs. @@ -515,7 +515,7 @@ one has complained). A function is represented by an @samp{F} symbol descriptor for a global (extern) function, and @samp{f} for a static (local) function. The -value field is the address of the start of the function (absolute +value is the address of the start of the function (absolute for @code{a.out}; relative to the start of the file for Sun's stabs-in-ELF). The type information of the stab represents the return type of the function; thus @samp{foo:f5} means that foo is a function @@ -816,7 +816,7 @@ produce an external symbol. @c According to an old version of this manual, AIX uses C_RPSYM instead @c of C_RSYM. I am skeptical; this should be verified. Register variables have their own stab type, @code{N_RSYM}, and their -own symbol descriptor, @samp{r}. The stab's value field contains the +own symbol descriptor, @samp{r}. The stab's value is the number of the register where the variable data will be stored. @c .stabs "name:type",N_RSYM,0,RegSize,RegNumber (Sun doc) @@ -984,7 +984,7 @@ know that it is an argument. Because that approach is kind of ugly, some compilers use symbol descriptor @samp{P} or @samp{R} to indicate an argument which is in a register. Symbol type @code{C_RPSYM} is used with @samp{R} and -@code{N_RSYM} is used with @samp{P}. The symbol's value field is +@code{N_RSYM} is used with @samp{P}. The symbol's value is the register number. @samp{P} and @samp{R} mean the same thing; the difference is that @samp{P} is a GNU invention and @samp{R} is an IBM (XCOFF) invention. As of version 4.9, GDB should handle either one. @@ -2000,9 +2000,9 @@ The variable is represented by two symbol table entries in the object file (see below). The first one originated as a stab. The second one is an external symbol. The upper case @samp{D} signifies that the @code{n_type} field of the symbol table contains 7, @code{N_DATA} with -local linkage. The value field is empty for the stab entry. For -the linker symbol, it contains the relocatable address corresponding to -the variable. +local linkage. The stab's value is zero since the value is not used for +@code{N_GSYM} stabs. The value of the linker symbol is the relocatable +address corresponding to the variable. @example 00000000 - 00 0000 GSYM g_foo:G2 |